Sentron Busway System
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Transcript of Sentron Busway System
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Sentron Busw ay System
Straight Sections Elbow s Tees O ffsets and End Tap B oxes C enter Tap B oxes Flanged Ends Service H eadsCom binations
32-33 34 35 36-37 38 39 40-42 43
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SX
4
02
C
10
P
31
Sentron
Busway
TOP
800
-5000Amp
E xpansion Fittings P anelboard and, E nd C losures H angers Technical D ata C atalognect Reducers and M eter Center Flanges Busw ay N um beringes Phase Rotation M odules Specifications System
Fittings
44-45 46 47 48-49 50-52 53
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Sentron
Busway
Sentron Busway, Widths and Weights
A mp er e Ra ti ng D im en si on In ch es (m m) A pp ro xi ma te W e ig ht l b s p er f t. (k g p er m et er )
3-Phase 3-Phase 3-Phase 3-Phase 3-Phase 3-Phase3-W ire 3-W ire 4-W ire 4-W ire 4-W ire 4-W ire
w ith Ground w ith Ground 200% Neut ral 200% Neutral
with Ground
Aluminum
800 W 1 4.5 (115) 6 (9) 6 (9) 7 (10) 7 (10) 7 (11) 8 (11)
1000 W 1 5.4 (137) 7 (10) 7 (11) 8 (12) 8 (12) 9 (13) 9 (14)
1200 W 1 6.5 (166) 8 (12) 9 (13) 9 (14) 10 (15) 11 (16) 11 (17)
1350 W 1 7.5 (191) 9 (13) 10 (15) 11 (16) 11 (17) 12 (18) 13 (19)
1600 W 1 8.6 (219) 10 (15) 11 (17) 12 (18) 13 (19) 14 (21) 15 (22)
2000 W 1 10.9 (277) 13 (19) 14 (21) 15 (23) 16 (24) 18 (26) 19 (28)
2500 W 2 13.6 (345) 16 (24) 18 (27) 19 (29) 21 (31) 23 (34) 24 (36)
3000 W 2 15.8 (402) 18 (27) 20 (30) 22 (33) 24 (36) 26 (39) 28 (41)
4000 W 2 20.3 (516) 23 (34) 26 (38) 28 (42) 31 (46) 33 (50) 36 (53)
Copper
800 W 1 3.9 (99) 9 (13) 10 (14) 10 (16) 11 (17) 12 (18) 13 (19)
1000 W 1 4.4 (112) 10 (15) 11 (17) 12 (19) 14 (20) 15 (22) 16 (23)
1200 W 1 5.0 (128) 12 (18) 14 (20) 15 (23) 16 (24) 18 (26) 19 (29)
1350 W 1 5.6 (143) 14 (21) 16 (24) 17 (26) 19 (29) 21 (31) 23 (34)
1600 W 1 6.6 (169) 17 (26) 19 (29) 22 (32) 24 (35) 26 (38) 28 (42)
2000 W 1 8.1 (207) 22 (32) 25 (37) 28 (41) 30 (45) 33 (50) 36 (54)
2500 W 1 10.6 (270) 30 (44) 34 (50) 38 (56) 42 (62) 46 (68) 50 (74)
3000 W 2 11.8 (300) 34 (50) 38 (57) 43 (64) 48 (71) 52 (78) 57 (84)
4000 W 2 15.3 (389) 44 (65) 51 (76) 57 (85) 63 (94) 69 (103) 76 (113)
5000 W 2 19.3 (491) 57 (85) 65 (97) 73 (109) 81 (121) 90 (133) 98 (146)
W1
5.00 in.(127 mm)
W2
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Edgewise Elbows, Dimensions (standard/min.)
Ampere Rat ing Dimensions Inches (mm)
A , B Aluminum
800 10 (254)
1000 10 (254)
1200 10 (254)
1350 10 (254)
1600 10 (254)
2000 10 (254)
2500 10 (254)
3000 10 (254)
4000 10 (254)
Copper
800 10 (254)
1000 10 (254)
1200 10 (254)
1350 10 (254)
1600 10 (254)
2000 10 (254)
2500 10 (254)
3000 10 (254)
4000 10 (254)
5000 10 (254)
Edge UpSuffix ELEU
B
A
CL
CL
CL
CLof Joint
NP
Edge Down
Suffix ELED
A
B
CL
CL
CLof Joint
NP
Elbows
Flatwise Elbows, Dimensions (standard/min.)
Ampere Rat ing Dimensions Inches (mm)
A , B Aluminum
800 12 (305)
1000 12 (305)
1200 12 (305)
1350 12 (305)
1600 18 (457)
2000 18 (457)
2500 18 (457)
3000 18 (457)
4000 24 (610)
Copper
800 12 (305)
1000 12 (305)
1200 12 (305)
1350 12 (305)
1600 12 (305)
2000 12 (305)
2500 18 (457)
3000 18 (457)
4000 18 (457)
5000 24 (610)
Flat RightSuffix ELFR
Elbows
Sentron B usw ay elbow s provide a sim -ple, convenient m ethod of changing the
direction (left, right, up or dow n) of a
busw ay run. All elbow s are shipped w itha joint stack assem bly on one end for
direct connection to the busw ay system .
Flatw ise elbow s are used for left and
right directional changes w hen thebusw ay system is m ounted in the
horizontal plane; bus bars run parallel to
the floor. The nam eplate (N P)lies on theneutral side of flatw ise elbow s, w hich is
the side of the elbow that faces the floor.
The joint stack assem bly m ay be m ovedto the opposite leg to change the orienta-
tion from left to right/right to left.
Edgew ise elbow s create up and dow n
directional changes. The nam eplate andneutral side lie on the outside of the bend
for edge up elbow s. The nam eplate and
neutral side lie on the inside of the bendfor edge dow n elbow s. The joint stack
assem bly on edgew ise elbow s can not
be m oved in order to change orientationfrom up to dow n/dow n to up.
For both edgew ise and flatw ise elbow s
the sum of the tw o legs m ay not exceed
10 ft. (3.05m ). See draw ings for m inim umdim ensions. C ustom lengths available.
A B
CLCL
CLCL
of Joint
NP
Flat Left
Suffix ELFL
A B
CLCL
CL CLofJoint
NP
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Sentron
Busway
Tees
Edgewise Tees, Dimensions (standard/min.)
Ampere Rat ing Dimensions Inches (mm)
CAluminum
800 13 (330)1000 13 (330)
1200 18 (457)
1350 18 (457)
1600 18 (457)
2000 18 (457)
2500 27 (686)
3000 27 (686)
4000 29 (737)
Copper
800 13 (330)
1000 13 (330)
1200 13 (330)
1350 13 (330)
1600 18 (457)
2000 18 (457)
2500 18 (457)
3000 27 (686)
4000 27 (686)
5000 29 (737)
Edge UpSuffix TEEU
32 in.(813 mm)
24 in.(610 mm)
48 in.(1220 mm)
8 in.(203 mm)
8 in.(203 mm)
8 in.(203 mm)
8 in.(203 mm)
"C"
CL CLCL
CL
CL
CL
16 in.(406 mm)
OfJoint
Edge Down
Suffix TEED
32 in.(813 mm)
24 in.(610 mm)
"C"
24 in.(610 mm)
8 in.(203 mm)
8 in.(203 mm)
CL
CL
CL
CL
CL
16 in.(406 mm)
of Joint
CL
48 in.(1220 mm)
Tees
Tees are used to sim plify directional andplane orientation changes in a busw ay
system . Tees can m ake 90 bends left
or right, and up and dow n along thebusw ay run. All tees are supplied w ith
tw o joint stack assem blies.
Flatw ise tees are used to create left
and right branches. The nam eplate (N P)lies on the neutral side of the tee.
Edgew ise tees are used to createbranches that stem up or dow n from
the busw ay run. The nam eplate and
neutral side lie tow ard the floor on edgedow n tees w hile the nam eplate and
neutral side lie tow ard the ceiling on edgeup tees. Edgew ise tees are housed in a
special box enclosure to provide rigidity
and shield against dirt and dust.
Flat RightSuffix TEFR
A
B
CCL
CLCL
CL
CLof Joint
Flat Left
Suffix TEFL
A
B
C
CL
CL
CL
CL
CLof Joint
NP
Flatwise Tees, Dimensions (standard/min.)
Ampere Rat ing Dimensions Inches (mm
A , B , CAluminum
800 12 (305)1000 12 (305)
1200 12 (305)
1350 12 (305)
1600 18 (457)
2000 18 (457)
2500 18 (457)
3000 18 (457)
4000 24 (610)
Copper
800 12 (305)
1000 12 (305)
1200 12 (305)
1350 12 (305)
1600 12 (305)
2000 12 (305)
2500 18 (457)
3000 18 (457)
4000 18 (457)
5000 24 (610)
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Off sets and Combinat ions
Flatwise Offsets, Dimensions (standard/min.)
A mpe re Di me nsi on s In ch es (m m)
Rat ing A B CAluminum
800 12 (305) 5 (127) 12 (305)
1000 12 (305) 5 (127) 12 (305)
1200 12 (305) 5 (127) 12 (305)
1350 12 (305) 5 (127) 12 (305)
1600 18 (457) 5 (127) 18 (457)
2000 18 (457) 5 (127) 18 (457)
2500 18 (457) 5 (127) 18 (457)
3000 18 (457) 5 (127) 18 (457)
4000 24 (610) 8 (203) 24 (610)
Copper
800 12 (305) 5 (127) 12 (305)
1000 12 (305) 5 (127) 12 (305)
1200 12 (305) 5 (127) 12 (305)
1350 12 (305) 5 (127) 12 (305)
1600 12 (305) 5 (127) 12 (305)
2000 12 (305) 5 (127) 12 (305)
2500 18 (457) 5 (127) 18 (457)
3000 18 (457) 5 (127) 18 (457)
4000 18 (457) 5 (127) 18 (457)
5000 24 (610) 8 (203) 24 (610)
Offsets
O ffsets can be utilized to solve difficultcontour problem s and save space.
In applications w here space does not
allow for tw o connected elbow s, asingle offset can bypass an obstruction.
A ll offsets are supplied w ith one jointstack assem bly. O verall length m ay not
exceed 10 ft. (3.05m ).
Combinations
C om binations are used to create edge to
flat/flat to edge changes in the busw ayrun. O ne joint stack assem bly is shipped
w ith com bination. O verall length m ay notexceed 10 ft. (3.05m ).
Flat RightSuffix OFFR
CL
A
B
C
CL
CL
CL
CLof Joint
NP
Flat LeftSuffix OFFL
A
B
C
CL
CL
CL
CL
CLof Joint
NP
Edge UpSuffix OFEU
CL
A
C
B
CL
CL
CL
of Joint
NP
Edge DownSuffix OFED
A
B
C
CL
CL
CL
CL
of Joint
NP
Edgewise Offsets, Dimensions (standard/min.)
A mpe re D im ensi ons In che s (m m)
Rat ing A B CAluminum
800 10 (254) 6 (152) 10 (254)
1000 10 (254) 6 (152) 10 (254)
1200 10 (254) 6 (152) 10 (254)
1350 10 (254) 6 (152) 10 (254)
1600 10 (254) 6 (152) 10 (254)
2000 10 (254) 6 (152) 10 (254)
2500 10 (254) 6 (152) 10 (254)
3000 10 (254) 6 (152) 10 (254)
4000 10 (254) 6 (152) 10 (254)
Copper
800 10 (254) 6 (152) 10 (254)
1000 10 (254) 6 (152) 10 (254)
1200 10 (254) 6 (152) 10 (254)
1350 10 (254) 6 (152) 10 (254)
1600 10 (254) 6 (152) 10 (254)
2000 10 (254) 6 (152) 10 (254)
2500 10 (254) 6 (152) 10 (254)
3000 10 (254) 6 (152) 10 (254)
4000 10 (254) 6 (152) 10 (254)
5000 10 (254) 6 (152) 10 (254)
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Combinations, Dimensions (standard/min.)
Ampere Dimensions Inches (mm)
Rat ing A B C
Aluminum
800 8 (203) 10 (254) 12 (305)
1000 8 (203) 10 (254) 12 (305)
1200 8 (203) 10 (254) 12 (305)
1350 8 (203) 10 (254) 12 (305)
1600 12 (305) 10 (254) 18 (457)
2000 12 (305) 10 (254) 18 (457)
2500 12 (305) 10 (254) 18 (457)
3000 12 (305) 10 (254) 18 (457)
4000 16 (406) 10 (254) 24 (610)
Copper
800 8 (203) 10 (254) 12 (305)
1000 8 (203) 10 (254) 12 (305)
1200 8 (203) 10 (254) 12 (305)
1350 8 (203) 10 (254) 12 (305)
1600 8 (203) 10 (254) 12 (305)
2000 8 (203) 10 (254) 12 (305)
2500 12 (305) 10 (254) 18 (457)
3000 12 (305) 10 (254) 18 (457)
4000 12 (305) 10 (254) 18 (457)
5000 16 (406) 10 (254) 24 (610)
Flat Right - Edge UpSuffix CORU
Flat Left - Edge UpSuffix COLU
Flat Right - Edge DownSuffix CORD
Flat Left - Edge DownSuffix COLD
Edge Down - Flat RightSuffix CODR
A
CL
CLCL
CLB
C
CLof Joint
NP
Edge Down - Flat LeftSuffix CODL
A
CL
CL CL
CLB
C
CLof Joint
NP
Edge Up - Flat RightSuffix COUR
CL
CL
CL
CLA B
C
CLof Joint
NP
Edge Up - Flat LeftSuffix COUL
CLof Joint
CL
CLCL
CL
A
B
C
NP
CL
CL
CL
CL
A
B
C
CLof Joint
NP
A
CLCL
CL
CL B
C
CLof Joint
NP
A
CLCL
CL
CLBC
CLof Joint
NP
CL
CLCL
CL
A
B
C
CLof Joint NP
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Sentron
Busway
Center Tap Boxes
Standard and Extended Center Tap Boxes, Dimensions
Ampere Dimensions Inches (mm) W ire Bend Space Cable Lugs Ground
Rat ing A Std. B D A Ext . C Std. C Ext . Per Phase and Neutral LugsQty. Size
Aluminum
800 25 (635) 16 (406) 4.3 (109) 29 (737) 17 (432) 21 (533) 3 1
1000 25 (635) 16 (406) 4.7 (119) 29 (737) 17 (432) 21 (533) 4 1
1200 29 (737) 16 (406) 5.3 (135) 33 (838) 20 (508) 24 (610) 4 1
1350 29 (737) 16 (406) 5.8 (147) 33 (838) 20 (508) 24 (610) 4 1
1600 33 (838) 20 (508) 6.3 (160) 37 (940) 20 (508) 24 (610) 5 1
2000 33 (838) 20 (508) 7.4 (188) 37 (940) 20 (508) 24 (610) 6 1
2500 37 (940) 24 (610) 8.7 (221) 41 (1041) 20 (508) 24 (610) 8 2
3000 37 (940) 24 (610) 9.7 (246) 41 (1041) 20 (508) 24 (610) 9 2
4000 45 (1143) 28 (711) 11.9 (302) 49 (1245) 20 (508) 24 (610) 12 3
Copper
800 25 (635) 16 (737) 3.9 (99) 29 (737) 17 (432) 21 (533) 3 1
1000 25 (635) 16 (737) 4.2 (107) 29 (737) 17 (432) 21 (533) 4 1
1200 29 (737) 16 (813) 4.5 (114) 33 (838) 20 (508) 24 (610) 4 1
1350 29 (737) 16 (813) 4.8 (122) 33 (838) 20 (508) 24 (610) 4 1
1600 29 (737) 20 (813) 5.3 (135) 33 (838) 20 (508) 24 (610) 5 1
2000 29 (737) 20 (813) 6.1 (155) 33 (838) 20 (508) 24 (610) 6 1
2500 33 (838) 24 (813) 7.3 (185) 37 (940) 20 (508) 24 (610) 8 2
3000 33 (838) 24 (838) 7.9 (201) 37 (940) 20 (508) 24 (610) 9 2
4000 37 (940) 28 (838) 9.4 (239) 41 (1041) 20 (508) 24 (610) 12 3
5000 40 (1016) 34 (838) 11.7 (297) 44 (1118) 20 (508) 24 (610) 15 4
#6 AWG - 350 kcmil, Cu / Al #4 AWG - 600 kcmil, Cu / Al 8 in.(203 mm)
A
8 in.(203 mm)
D
CL
Busway
20 in.(508 mm)
"C" Wire Bend Space
B
CL
Center Tap Boxes
Center tap boxes are non-fusible devices
utilized to feed to or take off pow er from
the busw ay run. W hen loads served by
the busw ay run do not require over-cur-rent protection, center tap boxes m ay be
used. If the application requires additionalw iring bending space, extended center
tap boxes are available. Center tap boxes
are an actual part of the busw ay run andrequire a space of 32 in. (810m m ) for
installation. O ne joint stack assem bly isprovided w ith each center tap box.
Center Tap BoxSuffix CTBS (Std.) CTBX (Ext.)
24 in. (610mm) for isolated ground.
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Flanged Ends
Flanged Ends
Flanged ends provide a direct connectionto low voltage sw itchgear, sw itchboards,
m otor control centers, large pow er
panels, and other electrical distributionequipm ent. Flanged ends are shipped
w ith one joint stack assem bly. Thesw itchgear m anufacture supplies lugs and
m ounting hardw are. See illustration for
flanged end drilling patterns.
Flanged EndSuffix FEND
Flanged End, Dimensions
A mpe re Di me nsi on s In ch es (m m)
Rat ing W Figure No.Aluminum
800 2.38 (60.5) 1
1000 3.25 (82.6) 1
1200 4.38 (111.3) 1
1350 5.38 (136.7) 1
1600 6.50 (165.1) 1
2000 8.75 (222.3) 1
2500 5.63 (143.0) 2
3000 6.75 (171.5) 2
4000 9.00 (228.6) 2
Copper
800 1.75 (44.4) 1
1000 2.25 (57.2) 1
1200 2.88 (73.2) 1
1350 3.50 (88.9) 1
1600 4.50 (114.3) 1
2000 6.00 (152.4) 1
2500 8.50 (215.9) 1
3000 4.75 (120.7) 2
4000 6.50 (165.1) 2
5000 8.50 (215.9) 2
1.75 in.44.5 mm
.63 in.16.0 mm
.563 Dia. Typ. 14.30 mm
W W
For 1.75 in., 2.25 in.,2.38 in. and 2.88 in. Bars
For 3.25 in., 3.50 in., 4.38 in., 4.50 in. and 4.75 in. Bars
For 5.38 in., 5.63 in., 6.00 in., 6.50 in. and 6.75 in. Bars
W
For 8.50 in. and 8.75 in. Bars
CL
W W
For 9.00 in. Bars
CLCL CL CL
1.75 in.44.5 mm .88 in.
22.4 mm
1.75 in.44.5 mm
1.75 in.44.5 mm
1.75 in.44.5 mm
1.75 in.44.5 mm
1.75 in.44.5 mm
.88 in.22.4 mm
1.75 in.44.5 mm
1.75 in.44.5 mm
1.75 in.44.5 mm
1.75 in.44.5 mm
CL
8.00 in.203 mm Ref.
W
Case and BarsOne Bar Per Pole
Figure 1
Joint
Stack
CL
CL CL
8.00 in.(203 mm) Ref.
Case and BarsTwo Bars Per Pole
Figure 2
CL
W
.18 in.(5 mm)
Joint
Stack
W
N
4.00 in.102 mm
2.00 in.51 mm
CL
CL
Bars
8.00 in.
203 mmRef.
IsolatedGround
Joint
C B A
Flanged End Bus Bar Drilling Pattern (NEMA)(Same pattern for 2bus bars per pole, see figure 2above.)
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B CL
CL
CL
A
CL of Joint
NP
Flat Left Elbow with Flanged End
Flat Elbow with Flanged End, Dimensions
A m pe re D im en si o ns I nc he s (m m )
Rat ing M inimum M aximum M inimum M aximum
A B A B A B A B
Aluminum Copper800 4.75 (121) 12 (305) 22 (559) 48 (1219) 4.50 (114) 12 (305) 22 (559) 48 (1219)
1000 5.20 (132) 12 (305) 22 (559) 48 (1219) 4.70 (119) 12 (305) 22 (559) 48 (1219)
1200 5.75 (146) 12 (305) 22 (559) 48 (1219) 5.00 (127) 12 (305) 22 (559) 48 (1219)
1350 6.25 (159) 12 (305) 22 (559) 48 (1219) 5.30 (135) 12 (305) 22 (559) 48 (1219)
1600 6.80 (173) 18 (457) 22 (559) 48 (1219) 5.80 (147) 12 (305) 22 (559) 48 (1219)
2000 8.00 (203) 18 (457) 28 (711) 48 (1219) 6.60 (168) 12 (305) 22 (559) 48 (1219)
2500 9.30 (236) 18 (457) 28 (711) 48 (1219) 7.80 (198) 18 (457) 28 (711) 48 (1219)
3000 10.40 (264) 18 (457) 28 (711) 48 (1219) 8.40 (213) 18 (457) 28 (711) 48 (1219)
4000 12.70 (323) 24 (607) 34 (864) 48 (1219) 10.20 (259) 18 (457) 28 (711) 48 (1219)
5000 - - - - 12.20 (310) 24 (607) 34 (864) 48 (1219)
Edge Elbow with Flanged End, Dimensions
Dimensions Inches (mm)
M inimum M aximum
A B A B
5 .0 0 (1 27 ) 1 0. 00 (2 54 ) 1 8. 00 (4 57 ) 4 8. 00 (1 21 9)
CL
CL
CL of Joint
B
A NP
Edge Down Elbow with Flanged End
Combination Flange/Elbows
A com bination flange/elbow m ay be used
w hen the busw ay is in close proxim ity to
the sw itchgear. Flatw ise and edgew ise
com bination flange/elbow s require a m ini-m um clearance of 5 in. (127m m ), off the
top of the sw itchboard to the centerlineof the busw ay.
Combination Flange/Elbows
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Service Heads
Single- and Three-Phase Service Heads, Dimensions
Ampere Dimensions Inches (mm) Cable Lugs per Phase and Neutral Ground
Rat ing Single-Phase A Three-Phase B Qty. Size Lugs
Aluminum
800 13 (330) 13 (330) 3 1
1000 13 (330) 13 (330) 4 1
1200 18 (457) 18 (457) 4 1
1350 18 (457) 18 (457) 4 1
1600 18 (457) 18 (457) 5 1
2000 20 (508) 18 (457) 6 2
2500 27 (686) 27 (686) 8 2
3000 29 (737) 27 (686) 9 2
4000 29 (737) 29 (737) 12 3
Copper
800 13 (330) 13 (330) 3 1
1000 13 (330) 13 (330) 4 1
1200 13 (330) 13 (330) 4 1
1350 13 (330) 13 (330) 4 1
1600 18 (457) 18 (457) 5 1
2000 20 (508) 18 (457) 6 2
2500 20 (508) 18 (457) 8 2
3000 27 (686) 27 (686) 9 2
4000 27 (686) 27 (686) 12 3
5000 29 (737) 29 (737) 15 4
#6 AWG - 350 kcmil, Cu / Al #4 AWG - 600 kcmil, Cu / Al
CL
B
8 in.(203mm)
24 in.(610mm)
16 in.(406mm
6.75 in.(171mm)
CL
.25 in. (6mm)Glastic Panel
Three Single-Phase Service HeadsSuffix V1TX
Three-Phase Service HeadSuffix V3TX
Service Heads
Service H eads are used to connect
busw ay to a service entrance. In the
Sentron Busw ay line, 3-single phase
service heads and 3-phase service headconnections are available. The standard
service entrance connection is the3-phase service head w hich consists of
one service head for all three phases.
3-single phase service heads consist ofthree heads one for each phase and
m ay be used to m eet the requirem ents ofcertain applications. To ensure ease of
installation of incom ing cables, both types
of Sentron service heads are constructedso that the lugs face the G lastic bottom
of the box. The G lastic bottom provides
insulation and protection to the incom ingcables.
TOPTOP
8 in.(203mm)
8 in.(203mm)
18 in.(457mm)
CLCL
.25 in. (6mm) Glastic Panel
Single-Phase Service Head
43
Sentron
Busway
CL
8 in(203mm)CL
CL
CL
8.5 in.(216 mm)
22 in(589mm)
18 in.(457mm)
18.5 in.(357mm)
A
16 in.(406mm)
8 in.(203mm)
13.5 in.(343mm)
CL
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Sentron
Busway
Expansion Fittings, Dimensions
Ampere Dimensions Inches (mm)
Rat ing AAluminum
800 13 (330)1000 13 (330)
1200 18 (457)
1350 18 (457)
1600 18 (457)
2000 18 (457)
2500 23 (584)
3000 23 (584)
4000 25 (635)
Copper
800 13 (330)
1000 13 (330)
1200 13 (330)
1350 13 (330)
1600 18 (457)
2000 18 (457)
2500 18 (457)
3000 23 (584)
4000 23 (584)
5000 25 (635)
Fused Reducers, Dimensions
Ampere Dimensions Inches (mm)
Rat ing AAluminum
800 -1000 11.4 (289)
1200 12.5 (318)
1350 13.5 (343)
1600 14.6 (372)
2000 16.9 (429)
2500 19.6 (498)
3000 21.3 (541)
4000 31.5 (800)
Copper
800 -
1000 10.4 (264)
1200 11.0 (280)
1350 11.6 (296)
1600 12.6 (321)
2000 14.1 (359)
2500 16.6 (423)
3000 17.9 (455)
4000 20.9 (531)
5000 31.5 (800)
A
8 in.(203mm)
22 in.(559mm)
20 in.(508mm)
38 in.(965mm)
8 in.(203mm)
CL
CL
Note: Expansion Fitting allows for 2 in. (51mm) Expansion.+_
L of JointC
L of JointC
Expansion FittingSuffix XPFT
Lower Amper Rating 36 in.(914mm)
1.0 in.(25mm)
4.5 in.(114mm)
20 in.(508mm)
Higher Amper Rating
A
CL 20 in.(508mm)
Fuse Box
L of JointC
L
of Joint
C
Fused ReducerSuffix RFRF
Phase Rotation Fittings, Dimensions
Ampere Dimensions Inches (mm)
Rat ing AAluminum
800 8.5 (216)1000 9.4 (239)
1200 10.5 (267)
1350 11.5 (293)
1600 12.6 (321)
2000 14.9 (376)
2500 17.6 (447)
3000 19.8 (503)
4000 24.3 (617)
Copper
800 7.9 (200)
1000 8.4 (213)
1200 9.0 (229)
1350 9.6 (245)
1600 10.6 (270)
2000 12.1 (308)
2500 14.6 (372)
3000 15.8 (402)
4000 19.3 (490)
5000 23.3 (592)
8 in.(203mm)
32 in.(813mm)
48 in.(1219mm)
8 in.(203mm)
CL
A
9 in.
(229mm)
L of JointC
L of JointC
Phase Rotation FittingSuffix TRPG, Phase and GroundTRPO, Phase onlyTRGO, Ground only
Phase Rotation ExamplesA
B
C
AB
C
N
G
A
B
C
N
G
A
B
C
N
N
C
B
A
NC
B
A
N
C
B
A
G
N
N
C
B
A
G
G45
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200A100/125A
Elevation View
C
CA
Joint Stacks
CL
CL
CL
CL
CL
CL
4.8 in.(122mm)
4'0in.(1.22m)
B
Of Joint-Stacks ForBusway and Meter PanelsNameplate
Tap-OffJoint Stack
A
BC
Of Meter PanelConnectingJoint-Stack
Main Disconnect(Switch Breaker)
Busway Riser
Dim VariesDependingon Type ofUnit Usedas a Main
8'8 in.(2.65 m)
9 in.
D
3 in.(76mm)(Min.
RecommendedDim.)
Wall Meter ModulesMeter Modules
ABCN
CBAN
orBuswayPhasing isMandatory
.
8'8 in.(2.65 m)
4'0 in.(1.22m)
3'8 in.(1.12 m)
Panelboards and Meter Center Modules
M eter center m odules provide a quick
and convenient m ethod of connecting to
m etering devices for both com m ercial
and residential applications.
M eter center m odules connect at the side
of a busw ay run to special joint stacks;
these special joints can be added to exist-
ing busw ay to accom m odate m eter center
m odule connections. W hen using m ultiple
m etering stacks, m ain disconnects are
available if the system reaches the 6 circuit
rule (see m etering bulletin for further
inform ation). Panelboards can be custom
engineered for use w ith Sentron Busw ay.
Panelboards are installed at special
engineered joint stacks and are pre-
assem bled in the factory to ensure
quality connections.
12 in. Min.(305mm)
Side Mounted
Side mount Panelboard
Panelboards and M eter Center M odules
Top-offJoint-StackExtension
JointStack
MeterModule
Busway
Section
9 in.(229mm)
Top-offJoint-StackExtension
JointStack
MeterModule
BuswaySection
9 in.(229mm)
Main Switch
Dimensional Data Required
Dimensions Inches (mm)
A Distance between floor and bottom of meterpanel as require by the customer.
B Dimension from bottom of meter panel to centerline of meter panel joint connection stack:100-125A Panel, B = 16.5 (419)200A Panel, B = 22.0 (559)
C Equals A plus B
D Individual metering panel height.Consult M odule Metering bulletin.
Meter Center module
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47
Sentron
Busway
End Closures and Flanges
End Closures
End closures safely term inate a busw ay
run and protect the bus bar ends. End clo-
sures m ay be rem oved easily in order to
extend a busw ay run. End closures areshipped w ith G lastic insulation pieces,how ever, joint stacks and inspection cov-
ers are not included. To ensure proper
installation refer to end closure installationsheet shipped w ith each end closure.
Flanges
Roof, w all and floor flanges are available
for Sentron B usw ay. W hen the busw ay
run passes thorough a roof, w all or ceil-ing, a flange should be used. Flanges do
not offer support to the busw ay, only a
m eans of covering the hole created in theexisting structure. An additional sealant
m ay be required to m eet fire codes and
all other local requirem ents; no caulkingor gasketing is provided w ith S entron
flanges. Roof flanges provide a w atertightseal for use w ith IP65/ IP66 rated
busw ay. Roof pitch m ust be indicated on
draw ings w hen ordering roof flanges.
Roof Flanges, Dimensions
A mp ere Di me nsi ons Inche s (m m)
Rat ing A BAluminumBusway
800 12 (305) 18 (457)
1000 12 (305) 18 (457)
1200 12 (305) 18 (457)
1350 16 (406) 22 (559)
1600 16 (406) 22 (559)
2000 16 (406) 22 (559)
2500 20.5 (521) 26.5 (673)
3000 20.5 (521) 26.5 (673)
4000 25 (635) 31 (787)
Copper Busway
800 12 (305) 18 (457)
1000 12 (305) 18 (457)
1200 12 (305) 18 (457)
1350 12 (305) 18 (457)
1600 12 (305) 18 (457)
2000 16 (406) 22 (559)
2500 16 (406) 22 (559)
3000 20.5 (521) 26.5 (673)
4000 20.5 (521) 26.5 (673)
5000 25 (635) 31 (787)
TOP
10 in.
(254mm)
16 in.(406mm)
24 in.(610mm)Curb (byOthers)
24 in.(610mm)
CL
CL
A
B
Roof FlangesSuffix GRFL
Wall, Ceiling and Floor Flanges, Dimensions
A mp ere Di me nsi ons Inche s (m m)
Rat ing A BAluminumBusway
800 11 (279) 7 (178)
1000 12 (305) 8 (203)
1200 13 (330) 9 (229)
1350 14 (356) 10 (254)
1600 15 (381) 11 (279)
2000 17 (432) 13 (330)
2500 20 (508) 16 (406)
3000 22 (559) 18 (457)
4000 26 (660) 22 (559)
Copper Busway
800 10 (254) 6 (152)
1000 11 (279) 7 (178)
1200 12 (305) 8 (203)
1350 12 (305) 8 (203)
1600 13 (330) 9 (229)
2000 15 (381) 11 (279)
2500 17 (432) 13 (330)
3000 18 (457) 14 (356)
4000 21 (533) 17 (432)
5000 26 (660) 22 (559)
10 in.(254mm)
0.63 in.(5.9mm)
3.25 in. (82.6mm)
Center Slots RequiredOnly For Busway WithTwo Bars Per Hole
OpeningCutout
3.5 in. (89mm)
7 in. (178mm)
CL
0.375 x 0.625(9.5 x 16mm) Slot Typ
AB
A /2
B /2
5 in.(127mm)
0.63 in. (5.9mm)
Wall, CeilingandFloor FlangesSuffix GWFL
6 in.
(152mm)
CLof Joint
EndClosures (J oint stack andcovers not included)Suffix ECLS
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Hangers
Trapeze Hanger,Dimensions and Catalog Numbers
Ampere A Dimensions Catalog Number
Rating Inches (mm)
AluminumBusway
800 10.0 (254) SXTH1
1000 10.0 (254) SXTH1
1200 10.0 (254) SXTH1
1350 13.5 (343) SXTH2
1600 13.5 (343) SXTH2
2000 13.5 (343) SXTH2
2500 18.5 (470) SXTH3
3000 18.5 (470) SXTH3
4000 23.0 (584) SXTH4
Copper Busway
800 10.0 (254) SXTH1
1000 10.0 (254) SXTH1
1200 10.0 (254) SXTH1
1350 10.0 (254) SXTH1
1600 10.0 (254) SXTH1
2000 13.5 (343) SXTH2
2500 13.5 (343) SXTH2
3000 18.5 (470) SXTH3
4000 18.5 (470) SXTH3
5000 23.0 (584) SXTH4
Wall Mounted Hanger,Dimensions and Catalog Numbers
Ampere A Dimensions Catalog Number
Rating Inches (mm)
AluminumBusway
800 10.0 (254) SXWH1
1000 10.0 (254) SXWH1
1200 10.0 (254) SXWH1
1350 13.5 (343) SXWH2
1600 13.5 (343) SXWH2
2000 13.5 (343) SXWH2
2500 18.5 (470) SXWH3
3000 18.5 (470) SXWH3
4000 23.0 (584) SXWH4
Copper Busway
800 10.0 (254) SXWH1
1000 10.0 (254) SXWH1
1200 10.0 (254) SXWH1
1350 10.0 (254) SXWH1
1600 10.0 (254) SXWH1
2000 13.5 (343) SXWH2
2500 13.5 (343) SXWH2
3000 18.5 (470) SXWH3
4000 18.5 (470) SXWH3
5000 23.0 (584) SXWH4
A
.50 in. (12mm) Dia.Threaded Rod
.63 in.(15.9mm)
Rods and NutsNot Included
Trapeze Hanger
A
B
CL
B = 4.0 in. plus D/2 (for "D" dimension see page 33
4 D
Wall Mounted Hanger
Hangers
A com plete offering of hangers is avail-
able to support Sentron Busw ay in both
vertical and horizontal applications.
Standard trapeze hangers and single drop
rod hangers support Sentron Busw ay in
horizontal applications; both hangers are
designed to be hung on 10 ft. (3.05m )
centers, how ever, additional hangers m ay
be used if structural requirem ents
m andate their use. The contractor m ust
supply drop rods to com plete assem bly
for both single drop rod and trapeze
hangers. Spring hangers and floor support
hangers m ust be used to provide secure
m ounting of the busw ay run in vertical
applications. Spring hangers counter the
w eight of the busw ay on each floor and
also com pensate for m inim al building
m ovem ent and therm al expansion.
M axim um distance betw een spring hang-
ers m ay not exceed 16 ft. (4.88m ). W hen
ordering 18 ft. (5.49m ) floor to ceiling
height assem blies, interm ediate support
hangers are necessary.
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49
Sentron
Busway
CL of JointStack
16 in.Min.(406mm)
PiercingScrew
Floor Flange(optional
Spring Hanger
2 in.Min.
(51mm)by others
10 in.(254mm)
Leveling
Jam Nut
SupportBolt
SpringHanger
Spring Hanger,Requirements
Ampere Catalog Assembly for Floor to Ceil ing Height
Rat ing 10 f t . 12 f t . 14 f t . 16 f t . 18 f t .
AluminumBusway800 SXSH4 SXSH4 SXSH4 SXSH4 SXSH4
1000 SXSH4 SXSH4 SXSH4 SXSH4 SXSH4
1200 SXSH4 SXSH4 SXSH4 SXSH4 SXSH4
1350 SXSH4 SXSH4 SXSH4 SXSH4 SXSH4
1600 SXSH4 SXSH4 SXSH4 SXSH4 SXSH4
2000 SXSH4 SXSH4 SXSH4 SXSH4 SXSH4
2500 SXSH4 SXSH4 SXSH4 SXSH6 SXSH6
3000 SXSH4 SXSH4 SXSH6 SXSH6 SXSH6
4000 SXSH4 SXSH6 SXSH6 SXSH6 SXSH8
Copper Busway
800 SXSH4 SXSH4 SXSH4 SXSH4 SXSH4
1000 SXSH4 SXSH4 SXSH4 SXSH4 SXSH4
1200 SXSH4 SXSH4 SXSH4 SXSH4 SXSH4
1350 SXSH4 SXSH4 SXSH4 SXSH6 SXSH6
1600 SXSH4 SXSH4 SXSH6 SXSH6 SXSH6
2000 SXSH6 SXSH6 SXSH6 SXSH6 SXSH8
2500 SXSH6 SXSH6 SXSH8 SXSH8 SXSH8
3000 SXSH6 SXSH8 SXSH8 SXSH10 SXSH10
4000 SXSH8 SXSH8 SXSH10 SXSH12 SXSH12
5000 SXSH8 SXSH10 SXSH12 SXSH14 SXSH14
For height not listed, use next higher value Addit ional f loor support necessary for intermediate support
Structural Steel Hanger,Dimensions and Catalog Numbers
A mp er e A D im en si on s Ca ta lo g N um be r
Rat ing Inches (mm)
AluminumBusway800 10.0 (254) SXSS1
1000 10.0 (254) SXSS1
1200 10.0 (254) SXSS1
1350 13.5 (343) SXSS2
1600 13.5 (343) SXSS2
2000 13.5 (343) SXSS2
2500 18.5 (470) SXSS3
3000 18.5 (470) SXSS3
4000 23.0 (584) SXSS4
Copper Busway
800 10.0 (254) SXSS1
1000 10.0 (254) SXSS1
1200 10.0 (254) SXSS1
1350 10.0 (254) SXSS1
1600 10.0 (254) SXSS1
2000 13.5 (343) SXSS2
2500 13.5 (343) SXSS2
3000 18.5 (470) SXSS34000 18.5 (470) SXSS3
5000 23.0 (584) SXSS4
A
Structural Steel Hanger
Single Drop Rod Hanger,Catalog Numbers
Ampere Catalog
Rat ing N umber
AluminumBusway800 SXDRA2
1000 SXDRA3
1200 SXDRA4
1350 SXDRA5
1600 SXDRA6
2000 SXDRA7
2500 -
3000 -
4000 -
Copper Busway
800 SXDRC1
1000 SXDRC2
1200 SXDRC3
1350 SXDRC4
1600 SXDRC5
2000 SXDRC6
2500 SXDRC7
3000 -4000 -
5000 -
0.50 in.(12mm) Dia.
Threaded Rod
Note: Rod and Nut Not Included.
Single DropRodHanger
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Sentron Catalog Numbering System
S X 4 0 2 C 1 0 P L 0 6
Sentron
SX= US Lengths
Configuration
3= 3, 3W
4= 3, 4W 100% Neutral
5= 3, 4W 200% Neutral
Ampere Rating
08= 800A
10= 1000A
12= 1200A
13= 1350A
16= 1600A
20= 2000A
25= 2500A
30= 3000A
40= 4000A
50= 5000A
Bus Bar M aterial
C= Copper
M= 1000 Copper
A = Aluminum
L = 750 Aluminum
Ground
1= Integral (Housing)
2= Internal Bus Bar
3= Isolated Ground
IP Rati ng
0= IP40
3= IP43
4= IP54
5= IP65
6= IP66
Copper onlyCopper or aluminum ground barFor odd degree angle (other than 90) specify the degree angle of the turn.
Catalog Numbers for Hangers can be found on pages 48
Specials must be ordered by description (drawing must be included)See page 56 for New Order Checklist
Feeder Length in Inches, ex.: 2'-3" = 027Feeder lengths available f rom 2'-0"(024 Inches) up to 10'-0' (120 Inches)
Plug-in L
Riser I
Elbows L= 90O= Odddegree angle
Tees E
Offsets F
Combinations O
EXpansion PFittings
Center Cable TTap Boxes
End Cable TTap Boxes
End Closers C
FlanGe RoofWall
Joint Stacks StandardIsolation
SerVice Heads 1= 1 Phase2= 3 PhaseT= Throat
Reducers FusedNon-fused
Flanged Ends E= StandardO= Others
Transposition R
Length 04= 4'0" 06= 6"0" 08= 8'0" 10= 10'0"
Length 04= 4'0" 06= 6'0" 08= 8'0" 10= 10'0"
Edge UpDow n
Flat Right
Left
Edge UpDow n
Flat RightLeft
Edge UpDow n
Flat RightLeft
Edge Up Flat Lef tEdge Down Flat Lef tEdge Up Flat RightEdge Down Flat RightFlat Left Edge UpFlat Left Edge Dow nFlat Right Edge Up
Flat Right Edge Dow n
F T
B StandardEXtension
Vertical StandardHorizontal EXtension
L S
F L
S T
Transformer XUti l ity Florida Pwr/LightHouston Pwr/Light
Commonwealth ED
Pacific Gas/Electric
Detroit Edison
Other
R FR N
N D
PG= Phase & GroundPO= Phase onlyGO Ground only
Suffix part of Catalog Numbers