JIS C8364-R

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C 8364:2008

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Preface ···························· ····················· ········· ······························ ··········· ··················· ······························ · ····························· ······ One

1 Scope ·························· ····················· ········· ······························ ··········· ··················· ······························ · ······················· One

2 Normative references ·························· ····················· ········· ······························ ··········· ··················· ······························ · ······················· One

3 Terms and definitions ······························ ················ ·············· ······························ ······ ························ ·························· · · · · ··········· One

4 Types and ratings ······························ ················ ·············· ······························ ······ ························ ·························· · · · · ··········· Five

5 Legal ·························· ····················· ········· ······························ ··········· ··················· ······························ · ······················· Six

5.1 Standard Conditions ························ ······················ ········ ······························ ············ ·················· ······························ · · ············ Six

5.2 Special conditions ························ ······················ ········ ······························ ············ ·················· ······························ · · ············ Six

6 Performance ···························· ···················· ·········· ······························ ·········· ···················· ······························ ······························ Six

6.1 Temperature rise ······························ ················· ············· ······························ ······· ······················· ··························· · · · ················ Six

6.2 Insulation resistance ······························ ················· ············· ······························ ······· ······················· ··························· · · · ················ Sev

6.3 Power Frequency withstand voltage ······················ ······················· ······· ······························ ············· ················· ······························ · · · ····· Sev

6.4 Rated short time withstand current ······················ ······················ ········ ······························ ············ ·················· ······························ · · ······ Sev

6.5 Strength level ······························ ················· ············· ······························ ······· ······················· ··························· · · · ················ Eigh

6.6 vertical intensity ······························ ················· ············· ······························ ······· ······················· ··························· · · · ················ Eigh

6.7 Impact Strength ······························ ················· ············· ······························ ······· ······················· ··························· · · · ················ Eigh

6.8 degree of protection against water for outdoor bus duct ············ ····························· · ······························ ··················· ··········· ······ Eigh

6.9 Fire Resistance of bus duct fire ·················· ·························· · · · · ······························ ················ ·············· ························· Eigh

6.10 Heat-cycle performance of the instrument and disconnect plug ······························ ·········· ···················· ······························ · · · Eigh

6.11 for the branch opening and closing apparatus with an operating mechanism connecting the handle or cover ····· ······························ ·

····························· ············

Nin

6.12耐過ignition performance of the thermal performance and insulation resistance ······························ ········· ····················· ····························· ·

························

Nin

7 Structure ···························· ···················· ·········· ······························ ·········· ···················· ······························ ······························ Nin

7.1 Structure of the bus duct ······················ ························ ······ ······························ ·············· ················ ······························ · · · · · · · · Nin

7.2 Structure of the connection equipment for t he branch ······························ ············· ················· ······························ · · · ··························· ··················11

8 material ···························· ···················· ·········· ······························ ·········· ···················· ······························ ···························· 11

8.1 Conductor ···························· ···················· ·········· ······························ ·········· ···················· ······························ ························· 11

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8.2 insulator ··························· ···················· ·········· ······························ ·········· ···················· ······························ ······················ 11

8.3 out of boxes and equipment for branch duct connections ······························ ·········· ···················· ······························ ···························· 12

9 Test methods ·························· ····················· ········· ······························ ··········· ··················· ······························ · ····················· 13

9.1 General requirements ························ ······················ ········ ······························ ············ ·················· ······························ · · ·········· 13

9.2 Structural testing ······························ ················· ············· ······························ ······· ······················· ··························· · · · ·············· 13

9.3 Temperature rise test ························ ······················ ········ ······························ ············ ·················· ······························ · · ·········· 13

9.4 Insulation resistance test ························ ······················ ········ ······························ ············ ·················· ······························ · · ·········· 14

9.5 Power Frequency withstand voltage test ······························ ·············· ················ ······························ · · · · ·························· ··················· 14

9.6 Rated short time withstand current test ······························ ············· ················· ······························ · · · ··························· ··················· 15

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9.7 Strength level test ························ ······················ ········ ······························ ············ ·················· ······························ · · ·········· 17

9.8 vertical strength t est ························ ······················ ········ ······························ ············ ·················· ······························ · · ·········· 17

9.9 Impact test ······························ ················· ············· ······························ ······· ······················· ··························· · · · ·············· 17

9.10 degree of protection for water tests for outdoor bus duct ·········· ······························ ······························ ···················· ······ 19

9.11 The bus duct fire test fire ·················· ·························· · · · · ······························ ················ ·············· ····················· 19

9.12 and the heat cycle test plug-in removable appliances ······························ ·········· ···················· ······························ · 20

9.13 Test equipment connections for t he branch opening and closing operation mechanism with the handle or cover ······························ ·····

························· ······

21

9.14 Performance Test performance and resistance to ignition of the thermal insulation耐過············ ·························· · · · · ······························ ············

·············· · ·

21

9.15 Inspection and testing electrical wiring work ················· ························· ····· ······························ ··············· ··············· ·················· 21

10 inspection ···························· ···················· ·········· ······························ ·········· ···················· ······························ ·························· 21

10.1 format checks ······························ ················· ············· ······························ ······· ······················· ··························· · · · ············ 21

10.2 Delivery Inspection ······························ ················· ············· ······························ ······· ······················· ··························· · · · ············ 22

11 more products called ······························ ··············· ··············· ······························ ····· ························· ························· ····· ······· 22

12 view ···························· ···················· ·········· ······························ ·········· ···················· ······························ ·························· 22

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White Paper




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Japanese Industrial Standards JIS

C 8364 : 2008



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Bus duct

Busways

Preface

This standard was established in 1962, has come to today after six subsequent amendments. The last revision in 1995.

Is made, the relevant laws and fire laws and technical standards for electrical equipment for subsequent advances in technology such measures

consistent with the revisedTogether with the amendment to the current products to address the situation.

One Scope of app lication

This standard is less than 1 000 V alternating current (less than 1 000 Hz frequency) and its Affiliated below 1 500 V dc bus duct or

Prescribed for the product family. Except trolley bus duct.

Furthermore, in this context and accessories, Endokuroza, refers to equipment and feed-box for branch connections.

Two Normative reference

The standards listed below, are incorporated by this standard, forming part of the provisions of this standard. These

Normative references, the latest edition (including any amendments.) Ap plies.

JIS A 1304 test method portion of the building structure fire

JIS C 0920 grade electrical equipment p rotected by the outer (IP Code)

JIS C 1302 Insulation Testers

JIS C 1602 Thermocouple

JIS C 2110 Test Method for Dielectric Strength of Solid Electrical Insulation M aterials

JIS C 3005 Test Method Rubber and plastic insulated wire

JIS C 60695-2-10 fire test - electrical and electronics - glow-wire test app aratus and general test methods

JIS C 60695-2-11 fire test - electrical and electronics - glow-wire flammability test method for end products

JIS K 7113 plastics tensile test method

JIS Z 8703 standard conditions of test site

JIS Z 8721 how these colors - three attributes displayed by

ThreeTerms and definitions

The main terms and definitions used in this s tandard are as follows.

3.1

Bus duct

Supported by an insulator or a conductor bare, naked and covered with an insulated conductor or an assembly into the duct.

3.2

Duct


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C 8364:2008

Box body coated with an insulator into a conductor or a bare conductor.

3.3

Bare conductor bus duct

Supported by an insulated conductor bus duct naked.

3.4

Insulated conductor bus duct

Coated with an insulating bus duct bare conductors.

3.5

Bus duct fire

Bus duct having a fire resistance.

3.6

Feeder bus duct

Have a branching bus duct.

3.7

Plug-In Bus Duct

Provided a plug socket, plug-in bus duct can be branched by instruments.

3.8

Straight

Linear bus duct .

3.9

Tapp ed bus duct

And intermediate in the termination bolt fixtures, equipment, bus duct taps to connect with a wire and so on.

3.10

Elbow

Bent at any angle in bus duct.

3.11

Offset

Bus duct with a step.

3.12

T

Three directions can be connected to the bus duct.

3.13

Cross

Bus duct can be connected to the four directions.

3.14

Reducer

Bus duct can be connected together with different rated current bus duct.


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3.15

Duct Expansion Bus


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C 8364:2008

And / or heat shrinkable bus duct having a structure to absorb the amount of change or thermal expansion.

3.16

Bus duct t ransposition

Replaced in the position of the bus duct in a duct cross-conductor. And averaging the impedance of each phase, the p hase sequence

Intended to be changed.

3.17

Endokuroza

Closed end of the bus duct components.

3.18

Feed-box

Connect power to the bus duct components.

3.19

Connection equipment for the branch

Generic plug-in app liances and equipment bolted.

3.20

Instrument plug-in

Insert the plug into the plug socket bus duct, bus duct unit to connect to a conductor such as by clips

Equipment.

3.21

Plug-In Breaker

Equipment with built-in circuit breaker p lug.

3.22

Plug-In Switch

Plug-in switch with built-in appliances.

3.23

Plug-In Box

Has no internal switching mechanism, with the only instrument p lug-in terminals for wire connection and fuse holders or equipment.

3.24

Bolt Supplies

By tightening the bolts to the tap of a tapped bus duct to connect equipment.

3.25

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Bolt-on breaker

Bolt with an internal circuit breaker equipment.

3.26

Bolt-on switch

Bolt with an internal switch equipment.

3.27

Bolt-on box


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C 8364:2008

Has no internal switching mechanism, with only t he terminal equipment for connecting bolt or wire fuse and holder tool.

3.28

Handle operating mechanism

Plug-breaker, p lug-in switch, lid op en and close the bolt on bolt-on breakers and switches

Without op ening and closing mechanism, the op eration performed by the handle.

3.29

Cover operating mechanism

You can open and close the lid of the bolt-on p lug-in switch and the switch by opening and closing operation of the switch line

Selling Organization.

3.30

Clearance

The shortest space of two isolated bare live parts.

3.31

Creepage distance

Shortest dist ance along the surface of the insulating material between two conductive parts.

3.32

Rated short time withstand current

Under the t erms of the regulation circuit, t he prescribed time, short-t ime current limit is also not allowed to live in the bus duct abnormalities.




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Four Types and ratings

Type of bus duct and ratings tables, one with.

Table 1 - Types and Ratings

Type

Name FormPole

Number

Rating

Current

A

Rating

Voltage

V

Rated short

Withstand curren

A

I ndoo r In sulat ed co nduct or

Bare conductor

Form of ventilation

Form a non-ventilated

-

Outdoor Insula ted conductor

Bare conductor

Form of ventilation


Feeder bus duct

Straight

Elbow

Offset

T

Cross

Reducer

Expansion Bus

Duct

Tapped bus duct

Transposition bus

Sudakuto

Fireproof I ndoo r In sulat ed co nduct or

Bare conductor


Bus duct

Plug-In Bus Duct

-

I ndo or In sulat ed co nduct or

Bare conductor

Form of ventilation


T wo

Three

Four

60

100

200

300

400

600

800

1 000

1 200

1 500

1 600

2 000

2 500

3 000

3 500

300

300a)

600

750a)

1 000

1 500a)

5 000

7 500

10 000

14 000

18 000

22 000

25 000

30 000

35 000

42 000

50 000

60 000

65 000

75 000

85 000



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4 0004 500

5 000

5 500

6 000

90 000100 000

125 000

150 000

200 000

Endokuroza - - - - -

Feed-box - - - 300

300a)

600

750a)

1 000

1 500a)

-

Plug-in

Breaker

Bolt

Breaker

Handle operation

Internal switching operations

T wo

Three

Four

- - -

Plug-in

Switch

Bolt

Switch

Handle operation

Cover Operations

Internal switching operations

Cartridge fuse

Plug fuse

T wo

Three

Four

- - -

Fused Cartridge fuse

Plug fuse

Accessories

Plug

Instruments in

Toolb)

Bolt

On instruments

Toolb)

Plug-in

Box

Bolt

Box Fuse -

T wo

Three

Four

- - -

Not ea)

Shows the DC volt age.b)

Rated voltage and rated current of equipment and instruments plug-bolt, rated current and rated current, such as a built-in circuit breaker

And pressure.


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Five Use conditions

5.1 Standard Terms and Conditions

5.1.1 General requirements

Terms and Conditions and Standard 5.1.2 and 5.1.3 refers to the conditions applicable to either.

5.1.2 Terms of Use for indoor bus duct

a) the ambient temperature is ambient temperature, and -5 ~ +40, and the average ambient temperature was measured over 24 hours,

And below 35.

b) relative humidity Humidity: 85% at 40 and the highest temperature. However, for example, at t emperatures as low as 20

The humidity may be 90%.

c) above sea level elevation of the place of use, and less than 2 000 m.




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d) dust of the air surrounding the state of air pollution, smoke, corrosive or flammable gases, st eam and st ain with salt,

To be negligible.

5.1.3 Terms of Use for outdoor bus duct

a) the ambient temperature is ambient temperature, and -25 ~ +40, and the average ambient temperature was measured over 24 hours,

And below 35.

b) relative humidity Humidity does not affect t he extent and even cause condensation inside the bus duct.

c) Elevation above sea level where used, and less 2 000 m.

d) dust of the air surrounding the state of air pollution, smoke, corrosive or flammable gases, st eam and st ain with salt,

To be negligible.

e) snow, rain and snow sunlight, to be negligible. Rain, temperature and sunlight are subjected.

5.2 Special Conditions

And the special conditions applicable to any of the following cases, when used in this state, t he part ies agreed on settlement

Must.

a) ambient t emperature, humidity , altitude condensation and 5.1 exceed the p rovisions.

b) In except ional speed or condensation inside the bus duct, temperature and / or humidity changes happ en.

c) Dust , smoke, corrosive or radioactive particles, if there is significant contamination of t he atmosphere with steam or salt.

d) Exposure to strong magnetic fields or strong electric field.

e) Extreme temperature, for example, exposure to radiation from the furnace.

f) If the snow is particularly high.

g) -location there is a risk of fire or explosion.

h) exposure to severe vibration and shock.

i) I built the machine, by being recessed in the wall, breaking capacity is affected or where the current capacity

Installing the.

Six Performance

6.1 Temperature rise

The bus duct temperature rise is 9.3 when tested by either temperature rise well beyond the following limits for

They do not. In this case, the reference ambient temperature shall be 40.

a) limit the surface temperature of the surface temperature of the bus duct bus duct ceiling, the t able 2 and shown in the.


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Table 2 - bus duct ceiling surface temperature

Unit K

PartDuct that can be accessed That can be accessed while driving touch



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Surface Surface of the duct does not need to be

Metal 30 55

Synthetic resin 40 55

b) materials used to limit the internal temperature inside the bus duct bus duct, temperature limits for parts and equipment

Degree, according to the following conditions specified by the manufacturer.

1) The temperature of the ceiling insulation is in contact with the conductor insulator, shall not exceed the maximum allowable temperature of the

insulator Not.

2) conductor

- The temperature must not cause deterioration of mechanical strength to the conductive material .

- The temperature must not adversely affect the equipment connected to the conductor .

- Surface temperatures adversely affect t he prop erties of the material and plug contacts should be.

3) The ceiling temperature of the conductor connecting the conductor connection, t he table 3 and values shown.

Table 3 - Limits of the junction temperature rise

Unit K

Where members Temperature rise

Bare copper or bare copper alloy 50

Tin-plated 65Such as boltingAccording to t he connection

Or silver-plated

Nickel plat ing75

Bare copper or bare copper alloy 35

Tin-plated 55Contact area

Or silver-plated

Nickel plat ing65

Bare copper 50Screw or bolt it to the

What is connected to t he outer conductor

Pins

Silver-plated, nickel plating

Come or tin-plated65

4) The temperature rise of conductors insulated conductor t hat connects to the external terminal 2) by a temperature rise of the connecting part 3

by. SimplyHowever, the maximum allowable temperature of the insulating material used for outer insulated conductor terminal 2) or 3) is less than the

isolation of theTo apply the permissive temperature.

6.2 Insulation resistance

Insulation resistance is 9.4 must be at least 5 MΩ when tested by.

6.3 Power frequency withst and voltage

Power frequency withstand voltage is 9.5 when tested by the need to endure it.

6.4 Rated short time withstand current

Rated short time withstand current is 9.6 when tested by the following shall be compat ible.

a) cracks in the insulating material and harmful damage, deformation and damage from harmful and practical parts that make up the bus duct

You should not occur.


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b) Ingress Protection (IP Code), there is less variation in the reduce clearances and creepage distances are sp ecified and they do not .

c) There deformation prevents the insertion of the plug-in unit should not be.

d) 6.2 and 6.3 must retain the performance shown.

6.5Horizontal intensity

Straight horizontal intensity is 9.7 when test ed by the following shall be compat ible.

a) if there is any damage to the joints and parts should.

b) degree of p rotection, there is less variation in the reduce clearances and creepage distances are specified and t hey do not.

c) After the test the horizontal intensity, 6.3 must retain the performance shown.

6.6 Vertical intensity

Vertical strength of a facility in the vert ical bus duct, 9.8 when tested by, shall comply with the following.

a) cause damage or permanent deformation or practice harmful to the support ing parts of the conductor, the conductor must have moved.

b) 6.2 and 6.3 must retain the performance shown.

6.7 Impact Strength

6.7.1 Impact strength of the bus duct

Impact strength of the linear bus duct is 9.9 when tested by the damage or cracks on the practical parts of the harmful

Without which, and the 6.2 and 6.3 shall hold the p erformance shown.

6.7.2 Impact strength of the outer case of the synthetic resin equipment for branch connections

Equipment for the branch connecting the outer case of synthetic resin, 9.9 when tested by the cracking and damage from harmful practical

You should not occur.

6.8 Degree of protection against water for outdoor bus duct

Degree of protection against water for outdoor bus duct, the following a) and b) must comply with.

a) JIS C 0920 number 3 bus duct with the performance of the property referred to in the second degree of protection, a 9.10) by the line test

When was no puddles can cause harmful in the duct, and 6.2 and 6.3 are shown in maintaining the performance

Shall be.

b) JIS C 0920 4-digit bus duct with the p erformance characteristics referred to in the second degree of p rotection, 9.10 b) the line test

When was no puddles can cause harmful in the duct, and 6.2 and 6.3 are shown in maintaining the performance

Shall be.

6.9 Fire Resistance of bus duct fire

Refractory bus duct is 9.11 when tested by the table 4 shall comply with the performance.

Table 4 - fireproof

Measurement period Test Performance

1 500 V AC voltage, with 1 minute withstand voltage test Bear Before h eating

Insulation resistance test using a 500 V insulation tester 50 MΩ or higher

During heating 600 V AC voltage applied to the t est in the heat for 30 minutes Cause a short circuit

Heat just before the end Insulation resistance test using a 500 V insulation tester More than 0.1 MΩ

After completion of the heating1 500 V AC voltage, with 1 minute withstand voltage test Bear

6.10 Heat-cycle performance of the instrument and disconnect plug

Heat-cycle performance of the inst rument and disconnect p lug-in 9.12 by detachable test, temperature rise due to rated current

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C 8364:2008

Heat cycle test and when tested, the temperature rise at the end of 84 cycles, heat conduction, the following: a)

And b) have at least 5 K higher than the value of should.

a) the rated current through removable after the test, the temperature rise when the temperature is constant on each conductor of the branch.

b) temperature rise caused by current flow measured at t he end after 42 cycles.

6.11 for the branch opening and closing apparatus with an operating mechanism connecting the handle or cover

Equipment for the branch connecting with the handle or cover operating mechanism is 9.13 when tested by parts of the equipment and paid

Have caused a defect.

6.12耐過ignition performance of t he thermal performance and insulation resistance

Parts made of insulating material used in bus duct, t he temperature has been reached by the current overload of live parts or accident,

Do not fire when the fire or flames shall not spread. Its performance is 9.14 tests performed by

When the addition or not cause burning or glowing of the specimen, or the next a) and b) must comply with.

a) a flame or glowing of the specimen, disappear within 30 seconds after removal of the glow-wire.

b) does not ignite the wrapp ing tissue p laced in the position of 200 mm below the specimen.

SevenStructure

7.1 Structure of the bus duct

Structure of the bus duct is 8.1 conductor 8.2 or coated with an insulating support, this 8.3 not containing duct,

Shall comply with the following.

a) steel duct is subjected to an appropriate rust preventive.

b) the mutual connection of the conductors, in contact with the plug-in appliances and equipment connections and bolt is plated,

Must complete the electrical contact structure. However, less than 100 A rated current, and the material of the conductor

In the case of copp er or copper alloy may omit the p lating of the conductor connection.

c) Duct connecting portion can be securely connected to the mechanical and electrical, and you can check the inside of an opening or

Must be fitted with a bar. However, because of sp ecial shapes, if unavoidable structural clause 6 to

If you meet the p rescribed performance, may取Ri付Kenaku cover for inspection.

d) degree of protection of the bus duct is, JIS C 0 920 numbers must be at least two characteristics defined in the first .

e) Degree of protection against water for outdoor bus duct, JIS C 0.92 thousand numbers must be at least three characteristics defined in the

second Not.

f) In refractory bus duct, the duct that you need to block the flue is fitted with a fireproof shield

Should be.

g) Plug-in bus duct or branch of bus duct taps tapped into the plug socket, attach the cover

Only must.



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h) The equipment for connecting a branch duct and attaching the ground wire, and be fitt ed with a ground terminal of sufficient capacity for

They do not.

i) Rated current value of the neutral conductor is greater than or equal to the rated current of the ot her conductors.

j) Clearance and creepage distances are in Table 5 must be greater than or equal. However, the width of the groove on the surface of the boil sure

insulator Depth, 1.5 mm less than the height of the ribs, or grooves or ribs should be there.


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Table 5 - Minimum creepage distance and minimum sp ace

Insulation distance

mmRegionRated voltage

V

Space Creeping

300

300a)

5.5 T enb)

600

750a)

Eight 20c)

1 000

1 200 a) 14 32

Very different between them and the bare charge

Between bare live part s and the no n-metal part s

1 500a)

14 40

Not ea)

Shows the DC volt age.b)

For indoor bus duct m ay be as 5.5 mm .c)

For indoor bus duct m ay be a 10 mm.

k) how to determine the clearance and creepage distances, figure 1 shows.




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Figure 1 - Determination of the clearance and creepage


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l) To dist inguish the ground or phase, if you need to identify the conductor, the display clearly and legibly marked in a manner easily

File.

m) coating paint color when the duct is usually, JIS Z 8 721 to 5Y 7 / 1 to be prescribed.

7.2 Connection equipment for the branch structure

Structure of the connection equipment for the branch, then you must comply.

a) plug-in appliances such as clips, to ensure that contact with the conductor of the bus duct, or the conductor temperature rise

The inst rument is removable, it must change its retent ion.

b) temperature limits of the contact clip instrument p lug-in tables 3 through.

c) When attached to t he bus duct appliances for branch connections, shall maintain a sp ecified degree of protection.

d) shall be structured for easy mounting and replacement of t he fuse wire not.

e) Paint colors when painting the outer case of the connection equipment for the branch, usually, JIS Z 8 721 to 5Y 7 / 1 to be prescribed.

EightMaterial

8.1 Conductor

The conductor cross sections can be energized by having a current rating of copper, copper alloy, aluminum or aluminum alloy

Used. However, the bus duct is fire resistant, copper or copper alloy shall be used. See the material used for the conductor

For example consider table 6 shows.

Table 6 - Example of materials used for the conductor



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Type Standard

Copper JIS H 3140 under the provisions

Copper alloy JIS H 3100 under the provisions

Aluminum or

Aluminum alloy

JIS H 4000 and JIS H 4100 Positive

Shall be defined

8.2 Insulator

a) an insulator covering the conductor of the bus duct insulated conductor the insulation out of accept able temperature limits, the normal use in tub

To withstand the rated short t ime withst and current and thermal conduction file. Limits of the permissible temperature of the insulation

manufacturingSpecified by the. Example of an insulator covering the conductor, table 7 shows. Insulator, the same type in different

In those with acceptable temperature limits.


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Table 7 - Example of an insulator covering the conductor

Ty pe of insulator Tensile Strength

MPa

Growth

%

Breakdown strength

kV / mm

Th ere is a heat-resistant vinyl

Th ere is a heat-resistant cross-linked polyethylene

Silicon rubber

Polyester

Polypropylene

Polycarbonate

Epoxy

Fluorine Resin

Mica

Cross-linked polyethylene

Butyl rubber

Over 9.8

Over 9.8

Over 3.9

Over 147.0

Over 29.4

Over 54.9

Over 17.6

Over 9.8

Over 29.4

Over 9.8

Over 3.9

Over 120

More than 350

More than 200

60

More than 250

60

-

More than 250

-

More than 350

300 +

More than 30

40

More than 20

60

More than 30

Over 14

At least 12

At least 16

8 or more

40

More than 25




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EP rubber

Chloroprene

Polyethylene

Sty rene-butadiene rubber

Vinyl

Over 3.9

Over 5.9

Over 9.8

Over 4.9

Over 9.8

300 +

More than 250

More than 350

300 +

More than 100

More than 25

More than 20

More than 20

More than 30

More than 30

Test method for t ensile strength and elongation, three thousand and five JIS C by. However, polyester, polypropylene

Applications, polycarbonate and epoxy , JIS K 7 113 by.

How to test the strength of t he dielectric breakdown, JIS C 2 110 by.

b) The thickness of the insulation covering the conductor of t he bus duct insulated conductors shall be not less t han 0.5 mm. However, the following

If you meet any of the conditions of isolation may be more than 0.38 mm thickness as that.

1) Flammability, electrical resistance, dimensional stability, tensile st rength, elongation, weather resistance, tear resist ance, p ermeability, abrasion

and consider If it is determined to be applicable and considered.

2) covered with metal foil coated with an insulating material around the conductor (foil) in between, the AC power frequency of 50 Hz or 60 Hz

5 000 V for one minute when you add pressure, if it endured.

c) Insulator sup port ing the conductor of the bus duct bare conductors, fire retardant insulation material in heat resistance and moisture resist ance

good mechanicalShall be used having the strength.

8.3 Outer case of the app aratus for connecting a branch duct and

a) the thickness of the material and equipment used on the box for connecting a branch duct and the force app lied to the normal conditions of use in

To bear.

b) material used for the duct to withstand mechanical stress and rated short time withstand current horizontal forces due to the strength test without

exampleShould be.

c) Ducts used in the refractory material of the bus duct, must withstand a fire resistance test.

d) synthetic resin can be used for branch connections on the box of the inst rument. Equipment used out of the box and for branch duct connections

Example of the material, table 8 shows.

Table 8 - Example of materials used for the outer case of the app aratus for connecting a branch duct and

Type Standard

Steel JIS G 3131 to the provisions

Aluminum or

Aluminum alloy

H 4,000 JIS -A1200P A1100P prescribed or H14-H14

Four thousa nd one h undred JIS H -A1200S A1100S prescribed or H112-H112


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Table 8 Example of the thickness of the duct when using a reference example of the materials shown in table 9 shows.

Table 9 - Example of the t hickness of the duct

In mm

T he max imum widt h o f t he duct cro ss sect io n St eel A aluminum o r



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Aluminum alloy150 1.0 (1.6) 1.6

Less than 300 over 150 1.4 (1.6) 2.0

500 or less than 300 2.5

700 less than 5001.6 (1.6)

3.0

More than 700 2.0 (2.0) 4.0

The number in parentheses is applied to the bus duct fire.

Table 8 for the branch connecting hardware when using a synthetic resin material and the reference example shown in the Example of the thicknesof the outer case of the table 10

Shown.

Table 10 - Example of the t hickness of the outer case of the appliance for branch connections

The maximum surface area of one side of the outer box

cmTwo

Steel

mm

Aluminum or

Aluminum alloy

mm

Plastics

mm

Below 500 0.8 2.0

Less than 1 000 500 1.0

Less than 1 000 2 000 1.2 -

More than 2 000 1.6

2.0

Nine Test method

9.1 General requirements

The test, JIS Z 8 703 at room temperature as defined in (20 ± 15) and humidity [relative humidity (65 ± 20)%] of ventilation, the temperature

Where it made no significant impact on the results of other test s should be.

9.2 Structural test

Clause 7 and Clause 8 for verifying the requirements p rescribed.

9.3 Temperature rise test

Temperature rise test is carried out by the next.

a) the form of bus duct temperature rise test , connect two or more of the same rated straight, more than 6 m length

Placed horizontally t o a height of 300 mm above the floor to close the ends, and then rated current t hrough the exposure to wind

The same figure two conductor bus duct and duct of the conductors and ducts and connections shown in the temperature, the temperature of th

partsMeasured using a thermocouple fixed and when. However, if the bus duct is insulated conductors, bus duct

Conductor t emperature measurement is made.

Note: When a constant temperature and refers to the state falls below 1 K temperature change per hour.


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In mm

Figure 2 - Temperature measurement point

b) when the temperature rise test instruments and p lug-ins combined with temperature rise test inst rument plug-in bus duct

Is attached to the bus duct plug-in to use state equipment, the rated current to the bus duct, the plug-in

The instrument was built through the current rating of the equipment, the temperature of the conductor branches of each thermocouple to be

constant when the temperature of the partsMeasured using a pair. However, if the circuit breaker built-in equipment, if the circuit breaker during the test , the barrier

Test, such as by connecting the power supply and load side without a breaker.

c) Measurement of ambient temperature in the ambient temperature test, at a distance of about 1 m from one side of the duct along the length of t

almost

In the center, and center position and the height of the bus duct.

d) To reduce the test time may be over-current through the early stages.

9.4 Insulation resistance test

Insulation resistance test, JIS C 1,302 for a 500 V DC insulation resistance meter as defined in, and between live parts and non-charge for each po

Measure the insulation resistance between the metal parts.

9.5 Power Frequency withstand voltage test

Commercial frequency withstand voltage test , the non-carrying metal parts and between live parts and between each pole and with frequency of 5

Hz or 60 Hz , Table11 in the form of testing AC voltage shown in 1 minute in 1 second is applied to the delivery test.

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Table 11 - test voltage bus duct

V Unit

Rated voltage U i

(The line).

Test voltage

AC rms

300 2 000

600 2 500

750a)

3 000

1 000 3 500

1 500a)

3 500

Not ea)

To apply only to DC.

Control circuits and auxiliary circuits, such as equipment for t he branch connection, if it is not directly connected to the electrical bus duct and the

Table 12 shows a test by test voltage. However, the table 12 is inappropriate electronic components tested in the test voltage

If you have any, may be tested to exclude them.

Table 12 - test voltage control circuits and auxiliary circuits, such as appliances for branch connections

V Unit

Rated voltage U i

(Th e line).

Test voltage

AC rms

T han 12 250

More than 12 to 60 500

More than 60T wo U i+1 000

However, with a minimum of 1 500.

9.6 Rated short time withstand current test

Connect two or more feeder bus duct at least 2 m, after a short end, mark a 50 Hz or 60 Hz AC voltage

Be added.

Rated short time withstand current conduction, the second or 0.1 seconds with either one of t he following test conditions, And the effective value

AC componentSpecify the time and power, perform the test.

a) a power-on time 1 seconds of rated short t ime withst and current is the rms value of AC component (rms), and the maximum peak value that is

Table 13 shows the effective value of n times or less.

Table 13 - Coefficient n of the standard value

Rated short time withstand current rmsPower factor n



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kA

: 5

More than 5 to 10

20 over 10

More than 20 to 50

More than 50

0.7

0.5

0.3

0.25

0.2

1.5

1.7

T wo

2.1

2.2

b) a power-on time 0.1 seconds of rated short t ime withst and current draws the maximum envelope of the AC component, from a short circuit occur

1 / full amplitude after 1 / 2 cycle (2 √ Two) And as of t he effective value of the AC component, p ower factor, the table 14 to indicate to.


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Table 14 - Rated short time withstand current power factor


ALagging power facto r

5 000, 7 500 0.4

10 000 14 000 0.3

18 000, 22 000 0.25

25 000, 30 000,

35 000, 42 000

50 000, 60 000,

65 000, 75 000,

85 000, 90 000,

100 000 125 000

150 000 200 000

0.2

c) Plug-in bus duct, one while wearing the appliance plug, perform the test .

d) RMS value of AC component in the three-phase test circuit, and the average of the effective value of the AC component of each phase.

e) For three-phase three-wire bus duct is tested in three-phase circuit, three-phase four-wire bus duct for three-phase circuit

In addition to t esting, to test t he single-phase circuits between adjacent conductors and the neutral conductor.

Rated short time withstand current is the amount of electrical subst ation equipment, etc. are determined by the receiving syst em. The single

transformer Rated short time withstand current examples of the standard when the feed table 15 shows.

Table 15 - Example of the rated short time withstand current

Current rating of t he bus duct

A


A

Lagging power facto r

60 5 000

100 7 500

0.4

200 14 000 0.3

300 18 000

400

600

80022 000

0.25




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1 000

1 200

1 500

1 600

42 000

2 000

2 500

3 000

3 500

60 000

4 000

4 500

5 000

5 500

6 000

90 000

0.2


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9.7 Horizontal strength test

Horizontal strength test, Figure 3 is connected with two st raight 3 m in length, t hat in 150 at 3 m wide and the center of the connections between

mm, placed on a fulcrum length of two dimensional channel steel exceeds t he width of the bus duct in addition, of the bus duct connection

Place the same materials used in the fulcrum on for five minutes put a weight equivalent to 4 m the mass of the bus duct minutes

File.

As for the more than 600 A rated current, put the weight corresponding to the mass of 60 kg more.

In mm



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Figure 3 - Horizontal strength test

9.8 Vertical strength test

The vertical strength test , using the condition one attached to a vertical bus duct shall be facility, the conductor of bus duct

At the same time to hanging for 2 minutes each conductor corresponding to the mass of the body weight of 5-Phase 1 (Figure 4 reference).

Figure 4 - vertical strength t est

9.9 Impact test

Impact t est, for the outer case of the connecting hardware for straight and branched synthetic resin, made by the next.

a) test, the figure 5 performed using the apparatus shown in the test apparatus according thereto. Test equipment, when not compressed thickness

At 40 ± 1 mm difference, 450 kg / m densityThree

~ 550 kg / mThree

Sponge placed on the rug of ethy lene-propy lene rubber


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Sure.

In mm




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Figure 5 - Impact Test Equipment

b) hammer to fall to the next position, p lace the specimen, the vertical nature once the hammer from a height of each of the provisions

Is drop ped. Hammer mass and the height of t he table 16 shows.

1) The impact force is applied to the top and sides of the bus straight duct (Figure 6 references.)

Figure 6 - Impact surface


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2) seems to be the weakest point of t he outer case made of synt hetic resin equipment for branch connections (excluding the knockout.) t wo p lace

whereSelected, the impact force.

Table 16 - Impact test values

ClassificationMass of t he hammer

kg

Drop height

mm

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8/4/2019 JIS C8364-R


Bus duct 6.8 300 ± 1

Equipment for the branch connecting th e outer case of the synt hetic resin2.0 100 ± 1

9.10 degree of protection for water tests for outdoor bus duct

Degree of protection for water tests for outdoor bus duct, connecting two or more of the outdoor bus duct, 300 mm from the floor

Placed horizontally on a height above, carried by the following.

a) Protection Class II property number 3 bus duct having a second characteristic prop erties of the number 3 bus duct with a p erformance degree of

prot ection

Examination of the degree of protection against water, JIS C 0,920 in 14.2.3 [3 digit second characteristic degree of p rotection (to p rotect againwater sprayRu) performed by the method prescribed in.

b) The second characteristic numerals prot ection class 4 four-digit bus duct characterist ics with the characteristics of t he degree of prot ection with th

performance of the bus ductExamination of the degree of protection against water, JIS C 0,920 in 14.2.4 [4 digit second characteristic degree of prot ection (protection agai

water splashesTo protect) performed by the method prescribed in.

9.11 The bus duct fire test fire

The bus duct fire test fire is carried out by the next.

a) heating furnace heating furnace, and then use one to meet.

1) The st ructure in Figure 7 or it must be structured according to the structure shown.

2) The effective length of the furnace must be at least 2 m.

3) The furnace is heated by t he state if not insert the sp ecimen at least 30 minutes to maintain the temperature of 840 ± 84

Must be able.

In mm

Figure 7 - Example of specimen placed

b) placement of the specimen

1) The test bus duct is about 500 mm of length on each side leaving the furnace wall from the exterior, the junction in its center

Not have to shield at both ends of the insulation materials.

2) The horizontal support of the bus duct test interval, the more than 1 m, placed at the center between the supporting connections.


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3) The temperature in the furnace, JIS C 1,602 with the performance of the thermocouple wire diameter of 0.75 or higher grade in the K-wire ty p

of sy mbols defined inUse automatic recorder using a figure eight to measure the temperature at the position shown.

In mm

Figure 8 - Temperature measurement location

c) Heating test, the specimen is inserted into the furnace, carried by the following.

1) before heating, after addition of 1 500 V for 1 minute or 60 Hz alternating voltage of 50 Hz, non-metal charge gap and charge for each unit

Measure the insulation resistance between the parts.

2) Then, JIS A 1 304 according to the p rescribed st andard curve and heated for 30 minutes.

3) during heating, adding an AC voltage of 600 V 50 Hz or 60 Hz and continuously t est bus duct.

4) before the end of the heating to st op the 600 V alternating voltage is applied, the insulation between live parts and metal parts and between eac

pole and the non-To measure resistance.

5) After completion of heating, 1 500 V 50 Hz or 60 Hz AC voltage between the frequency of non-metal parts and between live parts of each pol

Add 1 minute.

9.12 and the heat cycle test plug-in removable appliances

The test is carried out by the following.

a) Before performing the test t emperature rise at rated current p lug-load equipment, Table 17 and Figure 9 or removing.

Table 17 - Number of fixtures removable plug-in

Rated current I n

ARemovable times

T o 63 25

T han 63 200 T en

More than 200 Five

Figure 9 - removable plug-in appliances

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b) rated current through the appliance plug and then, when t he value of the constant temperature of t he bifurcation using a thermocouple conductor

Measured. After measuring the temperature, the current is interrupt ed, the specimen back to room temperature.

c) Then, the next heat cycle test.

The power is first measured the temperature rise to 2 hours after the start of energization of differences in temperature rise, the next

Of 1) or 2) conduct tests .

1) that the temperature rise b) compared with the measured temperature rise in, if less than 5 K, 2 h rated current through

The electricity, the current interruption for 2 hours.

2) that the temperature rise b) compared to the temperature rise was measured at 5 K greater than the rated current for 3 hours

Energized, the current interruption for 3 hours to do.

Measuring the temperature at the end of the cycle when power after 84 and after 42 cycles.

9.13 Test equipment connections for t he branch opening and closing operation mechanism with the handle or cover

For equipment for the branch connecting with the handle or cover operating mechanism, in通Jinai current line of action open to 1 000 times

Window.

The "open" and "closed" once have counted as actions, and its speed is about 10 t imes p er minute.

9.14 Performance Test耐過ignition resistance of the insulator and thermal performance

Resistance and ignition performance test of the thermal performance of insulation耐過 bus duct is used for,JIS C 60695-2-10

andJIS C

60695-2-11 , according to the test.

According to t he usages of the insulation, the table 18 to 30 seconds pushing the temperatures shown in the glow-wire, observe the following:

Record.

a) Since I started pushing the edges, tissue wrapp ing is fired instantaneous p osition of 200 mm was placed beneath t he specimen or

Between time.

b) Since I started pushing the edges, while pushing or after, the time until the flame is gone the moment

c) The maximum height of any flame. However, at the start of combustion because it can generate a high flame, after the start of combustion of about

Second is not considered.

d) Most of the material that is burning, you pass the test specimen to be removed and attached to the glow-wire .

This will be specified in the test report.

e) recording the burning of tissue placed in packaging of 200 mm below the specimen position.

Table 18 - glow-wire temperature

Usages of the insulator T emperature

Covering the conductor or insulator

To fix the con ductor insulator 960 ± 15

Other external parts made of insulating material 650 ± 15

9.15 Inspection and testing electrical wiring work



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a) mechanical interlocking mechanism and external operations, such as equipment for the branch connection device to check the operation.

b) Inspection and electrical wiring of an integrated circuit devices such as auxiliary equipment for the branch connection and to check the operation.

10 Inspection

10.1 format checks

Inspection form, remove the sp ecimen from a representative of each product, p erform the following inspection items. a) ~ D) is the same test


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For test items, made by order. For other tests may be performed in different products.

a) Structure

b) temperature rise

c) Insulation resistance

d) Power Frequency withstand voltage

e) Rated short time withstand current

f) horizontal intensity

g) Vertical intensity

h) Impact strength

i) Degree of protection against water for outdoor bus duct

j) Fire Resistance of bus duct fire

k) and heat cycle performance plug-in removable appliances

l) Switching equipment for connecting the branch with a knob or cover operating mechanism

m) and resistance to ignition p erformance of the thermal performance of insulation耐過

10.2 Delivery Inspection

Acceptance inspection is performed the following test items for each product. The order of these tests are optional.

a) inspect the wiring and electrical behavior

b) Insulation resistance

c) Power frequency withst and voltage

11 I called the product

I called the p roduct name, the material of the conductors and ducts, format, number of p oles, rated voltage, rated current and rated short time

withstandCurrents.

Feeder bus duct eg, aluminum, steel, indoor, insulated conductor, form a non-ventilated p ole, 4, 600 V, 1 500 A,

60 000 A




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12 View

Conspicuous place of the product in a manner easily disappear, showing the name plate must be fitted with the following items.

a) bus duct, at least, to appear in the arterial system of the bus duct in one place.

1) The number and name of the p roduct st andards

2) The abbreviations of the duct or conductor and material

3) Format

4) The number of poles

5) Rated Voltage

6) Rated current

7) Rated short time withstand current

8) manufacturer's name

9) Date of manufacture

10) serial number


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C 8364:2008

b) feed-box connectivity for branch and fixtures

1) The name of the device product name or number, and internal standards

2) The number of poles

3) Rated voltage (if applicable)

4) Rated current (if applicable)

5) Rated short time withstand current (if applicable)

6) The manufacturer's name

7) Date of manufacture

8) serial number



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References JIS G 3131 hot rolled mild st eel plate and steel

JIS H 3100 Copper and copper alloy sheet and conditions

JIS H 3140 Copper busbars

JIS H 4000 Aluminium and aluminum alloy sheet and conditions

JIS H 4100 extruded shapes in aluminum and aluminum alloys


JIS C8364-R

Documents

Transcript of JIS C8364-R