38-14 Manual Motor Control & Rotary Disconnect SwitchesManual Motor Starters and ProtectorsTypes A307.A308 and A309

Cutler-HammerJanuary 2001

Vol. 2, Ref. No. [0344]

AccessoriesTable 38-12. Accessories

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Description

Front Mount Auxiliary Contact Blocks (Carton Quantity = 10 pcs.)(For use with A307, A308 or A309 MMP. One block per MMR)

1 SPOT Contact, NO/NC1 NO and 1NC1 SPOT Contact, NO/NC (Electronic Contact)

Side Mount Auxiliary Contact Blocks (Carton Quantity = 2 pcs.)(One block per MMP. Mounts to left side of A307, A308 or A309.)

1 NO and INC2ND2NC

Trip Indicating Contacts — Side Mount(One block per MMP. Mounts to left side of A307, A308 or A309.Can also be used with side mount auxiliary contact.)

1NO and INCfor Any Trip (overload or short-circuit), plus1NO and 1NC for Short-Circuit Trip Only

Overload Dial Tamperproof Covers (Carton Quantity = 10 pcs.)(For sealing the FLA adjustment dial or A307, A308 or A309 MMPs.)(10 covers per bag. Price is for one bag.)

Undervoltage Release(One release module per MMP. Mounts to right side of A307, A308 or A309.Can not be used with shunt trip.)

120V 60 Hz; 1 1 0 V 50 Hz240V 60 Hz; 220V 50 Hz400V 50 Hz480V 60 Hz

Undervoltage Release with Early Make Contacts(One release module per MMP. Mounts to right side of A307, A308 or A309.Can not be used with shunt trip.)

230V 50 Hz400V 50 Hz480V 60 Hz

Shunt Trip(One trip module per MMP. Mounts to right side of A307, A308 or A309.Can not be used with undervoltage release.)

AC 50/60 Hz AC 50/60 Hz; DC(100% ON) (5 Seconds ON)20 - 24V 20 - 70V90 - 1 1 0 V 70 -190V

210 -240V 190 -330V350 -41 5V 330 -500V500V —

Thru-the-Door Operator(Type 12, Rated IP65; Rotary Operator Mechanism, lockable with up to 3 padlocks in theOFF position. Includes extension shaft and connecting element to MMP.)

Black Handle — 1 50 mm Depth— 330mm Depth

Red Handle and Yellow Background— 150mm Depth— 330 mm Depth

Terminal Cover for Box Terminals, 50A A308 MMPTerminal Cover for Box Terminals, 100A A309 MMPTerminal Cover for Cable Lug and Busbar Connection, 100AA309 MMP

CatalogNumber

C320FDC11C320FMC11C320FEC11

C320SA11C320SA20C320SA02

C320TR11

C320CD1

C320UR120C320UR240C320UR400C320UR480

C320URE240C320URE400C320URE480

C320SH24C320SH120C320SH240C320SH480C320SH500

C320HNB1C320HNB10

C320HNR1C320HNR10C320CT50C320CT100C320CT110

PriceU.S. S

19.21.63.

21.21.21.

36.

15.

46.46.46.46.

62.62.62.

46.46.46.46.46.

78.98.

78.98.50.70.

120.

Dimensions .....Discount Symbol.

.Page 38-22

. 1CD-1

F.T-N For more information contact Cutler-Hammer at: www.ch.cutler-hammer.com/catalog CAT.201.01.T.E

Cutler-HammerJanuary 2001Vol. 2, Ref. No. 10343]

Manual Motor Control & Rotary Disconnect Switches 38 13Manual Motor Starters and ProtectorsTypes A307.A308 and A309

Table 38-11. Auxiliary Contact Block SpecificationsAuxiliary Contact Blocks

Front Mount Auxiliary Block with 1 SPOT ContactNEMA RatingRated Operational Voltage U,Rated Operational Current 4Utilization CategoryRated Operational Voltage U,Rated Operational Current /„Utilization Category

AC ACVA

DC UR 200 ms DC VA

B600/R300244

AC-1524

1DC-13

230 4003 1.5

AC-15 AC-1524 220

4 0.1AC-15 DC-13

6900.5

AC-15

DC-13Front Mount Auxiliary Block with 1NO and INCNEMA RatingRated Operational Voltage UeRated Operational Current /„Utilization CategoryRated Operational Voltage UeRated Operational Current 4Utilization Category

AC ACVA

DC L/R 200 ms DC VA

C300/R30024

2AC-1524

1DC- 13

230 —0.5 —

AC-15 AC-15

48 600.3 0.15

DC-13 DC-13

AC-15

DC-13Side Mount Auxiliary Block with 1NO and INC, 2ND, 2NC and Signalling SwitchNEMA RatingRated Operational Voltage U,Rated Operational Current 4Utilization CategoryRated Operational Voltage UeRated Operational Current 4Utilization Category

AC

DC L7R 200 ms

ACVA

DCVA

A600/Q600245

AC-15242

DC- 13

230 4006 3

AC-15 AC-15110 220

0.5 0.25DC-13 DC-13

6901

AC-15440

0.1DC-13

Undervoltage ReleasePower Consumption

Response Voltage

Max. Opening Time(rated control supply voltage Us)

At Pick-UpContinuous DutyTripPick-Up

VA/WVA/W

V

Vms

20.2/137.2/2.4

0.7 to 0.35 x Us0.85 to 1.1 xU,

20

Shunt TripPower Consumption

Response VoltagePermissible Command DurationMax. Opening Time(rated control supply voltage Us)

At Pick-Up

Trip

AC VoltagesDC 24 to 60VDC 110 to 240V

VA/WWWVs

ms

20.2/1313 to 8013 to 80

0.7to1.1xU,5

20

Short-Circuit Protection for Auxiliary and Control CircuitsFusesMiniature Circuit-Breakers

gL/gGC characteristics

AA

106 i

Conductor Sizes for Auxiliary and Control CircuitsTerminal TypeTerminal ScrewSolid or StrandedMin./Max. Conductor Cross-SectionFinely Stranded with End Sleeve1 Conductor2 ConductorsSolid or Stranded1 Conductor2 Conductors

AWG

mm2

mm2

mm2

mm2

Screw-typePozidrive

2 x (18 to 14)

0.5/2.50.5/2.5

0.5/40.75/2.5(4®)

© Short-Circuit Currents 0.4 kA.@ Maximum possible.

CAT.201.01.T.E For more information contact Cutler-Hammer at: www.ch.cutler-hammer.com/catalog F.T«iy

Cutler-HammerJanuary 2001Vol. 2, Ref. No. [0341]

Types A307, A308 and A309

BCPD Selection for Group MotorInstallationA circuit breaker or single set of fusescan be used on a Branch Circuit of aGroup Installation. Cutler-Hammerrecommends the use of Cutler-HammerMolded Case Circuit Breakers wheneverpossible for Group Motor Installations.

Sizing BCPD for Group Motor InstallationsIf a circuit breaker is used for BCPD ina Group Motor Installation, the follow-ing formula should be used:

Max. Circuit Breaker = Largest MotorFLA x 250% + FLA of all other motorsin Group.

If fuses are used for BCPD in a GroupMotor Installation, the following formulashould be used:

Max. Fuses = Largest Motor FLA x175% + FLA of all other motors inGroup.

Single Motor Taps — NEC Article 430-53 (d)This NEC Article restricts the size ofthe BCPD based on the wire sizes usedfor the application. The BCPD mustprotect the wires used. This section ofthe code should be reviewed beforeselecting a BCPD size.

Important Application NotesIt is important to note that not everymulti-motor application is a good can-didate for the Group Motor Installationapproach. The frequency and severityof potential short circuit conditions foreach application should be analyzedby the customer before deciding if theGroup Motor Installation approach isappropriate.

Self-Protected Manual CombinationStarter (UL508, Type E)A307, A308 and A309 Manual MotorStarters and Protectors are also ULListed as UL508, Type E, Self-ProtectedManual Combination Starters. This ULListing allows these devices to be usedin motor circuits without having to addseparate short circuit protectionupstream. These devices have a shortcircuit rating of 50 kA at 240V and480Y/277V.

Component in a CombinationStarterThe A307, A308 and A309 ManualMotor Starters and Protectors can alsobe wired in series with a magnetic con-tactor to complete the assembly of aremotely operated, combinationstarter.

Circuit BreakerIn many countries outside of theUnited States and Canada, especiallyEurope, the Manual Motor Startersand Protectors are tested and classifiedas thermal magnetic circuit breakersfor use in motor branch circuits. Thiscan be an important consideration forall companies who export their equip-ment and machines internationally.

Features• ON/OFF Rotary Handle with Lockout

Provision• Visible Trip Indication• Class 10 Overload Protection• Optional Class 20 Overload Protection

for A308 and A309 only (available in2001 — contact factory for availability)

• Phase Loss Sensitivity• Ambient Temperature Compensation

to 140°F• Fixed Short Circuit Trip — 12 times

maximum setting of overload FLAdial

• Type 2 Coordination per IEC 947• Identification Markers Standard on

Starter Faceplate• DIN Rail or Panel Mount• Accessories include:

a Front and Side Auxiliary ContactsQ Trip Indicating Contactsa Tamperproof Cover for OLR DialQ Undervoltage Releasea Shunt Tripa Thru-the-Door OperatorsQ Enclosuresa 3-Phase Line Side Connecting

Links

Standards and Certifications• UL File No. E176513, Category NKJH

(A307, A308, A309)UL File No. E37317, Category NKCR(Accessories)

• CSA File LR12530, Class 3211-05• IEC 947-1; IEC 947-2; IEC947-4-1• DIN VDE 0660 Part 100, Part 101 and

Part 102

@ C€

CAT.201.01.T.E For more information contact Cutler-Hammer at: www.ich.cutler-hammer.com/catalog F:T'N

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