breakers dimension
TRANSCRIPT
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Dimension Sheet29-170C
October 1997Mailed to: E, D, C/29-100A, 31-400A,
31-500A
Breaker Description Page
Type FCL Current Limiting Breaker .......................................................................................... 1Type LCL Current Limiting Breakers ........................................................................................ 3Type FB Tri-Pac Breaker ............................................................................................................. 5Type LA Tri-Pac Circuit Breaker ................................................................................................7Type NB Tri-Pac Circuit Breaker ................................................................................................9Type PB Tri-Pac Breaker .......................................................................................................... 11
WestinghouseAB DE-IONCurrent LimitingCircuit Breakers
-
Dimension Sheet29-170C
Page 1
Reproduced from drawing 2614D90 Dimensions in parentheses in millimeters
2.719(69.03)
4.000(101.56)
.813(20.63)
.406(10.31)
7.813(198.36)
6.750(171.38)
.063(1.59)
.859(21.82)
.063(1.59)
4.125 (104.73) 3.500(88.87)
.750(19.04)
3.969(100.77)
.750(19.04)
3.188 (80.93)
3.375 (85.69)
2.219(56.33)
5.375 (136.47)7.500 (190.43)
2.125(53.95)
.688(17.46)
1.000 (25.39) .125(3.17)
.500(12.70)1.000
(25.39)
8.750(222.16)
7.813(198.36)
4.375 (111.08)
2.016(51.18)
2.250(57.13)
1.984(50.38)
1.359(34.51)
2.766(70.22)
2.297(58.32)
2.359(59.90)
2.266(57.52)
4.094 (103.94)
.375(9.52)
2.063(52.37)
3.500(88.87)
2.219(56.33)
.500(12.70)
.125(3.17)
.688(17.46)
2.047 (51.97)
7.250(184.08)
1.375(34.91)
2.297(58.32)
.063(1.59) .813
(20.63)
.563(14.28)
.813(20.63)
.703(17.85)
.250 R(6.35) R
.250(6.35)
2.750 (69.82)
.063 R(1.59) R
1.375(34.91)
.500(12.70)1.000
(25.39)
.203 (5.16) Diameter (4) Holes
.344 (8.73) Diameter Counterbore
.250 (6.35) Deep
CL Breaker Handle"On" Position
.047 R(1.49) R
1.500 (38.09)(Line End)
1.438 (36.50)(Load End)
CL Breaker Handle"Reset" Position
2.125 (53.95)
.125(3.17)
.125 (3.17) Diameter
.313 (7.93) Deep
.156 (3.97) Diameter Counterbore
.031 (.79) Deep (3) Holes
.047 R(1.19) R
.375 (9.52) 5 Taper(Each Side)
CL BreakerHandle"Tripped"Position
CL BreakerHandle"Off" Position
.125 (3.17) x .875 (22.22) Copper BarsBars May be Rotated 90
Support Blocks for Line and Load Endsare Not Supplied With Breaker and Mustbe Ordered Separately.
.125 R(3.17) R
Line End
Load End
Front View
Type FCL Current Limiting Breaker
Side View
WestinghouseAB DE-IONCurrent LimitingCircuit Breakers
Cutler-HammerWestinghouse &Cutler-Hammer ProductsFive Parkway CenterPittsburgh, Pennsylvania, U.S.A. 15220
Type FCL Current Limit-RCurrent Limiting Breakers15-100 Amperes
October 1997Mailed to: E, D, C/29-100A, 31-400A,
31-500A
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Dimension Sheet29-170C
Page 2
October 1997
1.375(34.91)
1.375(34.91)
.688(17.46)
7.250(184.08)
.313(7.93)
.313 (7.93) - 18 Thread
.938(23.80) Line End
.297(7.54) Load End(Available Contact Surface)
2.016(51.18)
7.813(198.36)
1.375(34.91)
.063(1.59)
.500(12.70)
1.453(36.89)
.688(17.46)
.594(15.08)
.813(20.63)
2.750(69.82)
1.188(30.15)
2.297(58.32)
1.375(34.91)
2.297(58.32)
7.813(198.36)
2.750(69.82)
1.375(34.91)
.813(20.63)
.500(12.70)
.250(6.35)
.250(6.35)
1.375(34.91)
1.453(36.89)
.750(19.04)
BreakerMountingSurface
MountingPanel
For Bolt-on Only
C
E
D
B
A
C L B
reak
er
C L B
reak
er
C L B
reak
er
C L B
reak
er
CL Handle"On" Position
CL Handle"On" Position
CL Handle"On" Position
.219 R(5.55) R
.438 (11.11)Diameter(6) Holes
.656 R(16.66) R
.438 (11.11)Diameter(4) Holes
.164 (4.20) - 32 Tap (4) Holes
.656 R(16.66) R
Removable Connector UL ListedWire Range 14 to 1/0 CU 12 to1/0 ALWill Accommodate 14 to 3/0 Wire
ConnectorStrap
Cutler-HammerWestinghouse &Cutler-Hammer ProductsFive Parkway CenterPittsburgh, Pennsylvania, U.S.A. 15220
Printed in U.S.A.
Westinghouse AB DE-ION Current Limiting Circuit BreakersType FCL Current Limiting Breaker, Drilling Plans
Dimensions in parentheses in millimetersReproduced from drawing 2614D90
For Plug-In Blocks Front Cover CutoutFor Rear Connected StudsFor Mounting Bolts
Terminal Arrangements
Wire Connection Bus Connection Stud Connection Plug-In or Bolt-OnConnection
Rear Connected StudsFor 15- to 100-Amp BreakersStud Ampere Stud Panel Tube TubeRating Style Thickness Length Style D E
Number A B C Number
100 A Short 451D874G01 1.000 (25.39) 1.063 (29.98) 32B9446H20 3.625 (92.04)100 A Short 451D874G01 .688 (17.46) - .938 (23.80) 1.375 (34.91) 32B9446H21 3.625 (92.04)100 A Short 451D874G01 .375 (9.52) - .625 (15.87) 1.688 (42.85) 32B9446H22 3.625 (92.04)100 A Short 451D874G01 .250 (6.35) - .313 (7.93) 2.000 (76.17) 32B9446H23 3.625 (92.04)
100 A Long 451D874G02 1.000 (25.39) 3.438 (87.28) 32B9446H24 6.125 (155.91)100 A Long 451D874G02 .688 (17.46) - .938 (23.80) 3.750 (95.21) 32B9446H25 6.125 (155.91)100 A Long 451D874G02 .375 (9.52) - .625 (15.87) 4.063 (103.15) 32B9446H26 6.125 (155.91)100 A Long 451D874G02 .250 (6.35) - .313 (7.93) 4.375 (111.08) 32B9446H27 6.125 (155.91)
Ordering instructions. Stud complete consists of one stud assembly and one tube as per chart. Order longand short studs and tubes as required to obtain proper bus spacing.
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Dimension Sheet29-170C
Page 3
Reproduced from drawing 1371D33 Dimensions in parentheses in millimeters
Type LCL Current Limiting Breakers
.313(7.93) Dia.(4) Mounting Holes.531(13.49) Dia.Counterbore.063
(1.59)
CL Handle
C L B
reak
er
Term. Block Assy.Used Only onGround FaultBreakers
Current CarryingParts OmittedFrom Center Polefor 2-Pole Breaker
.438(11.11) - 14 Tap(In Inserts)
1112Off
Handle .438(11.11)Thick1 Taper(Both Sides)
3.875 R(98.39) R
1912On
15Reset
1
AutoTripped
45
45
.313(7.93)
2.750(69.82)
1.375(34.91)
.031(.79)
1.125(28.56)
1.875(47.61)
3.750(95.21)
9.531(242.00)
14.688(372.92)
3.063(77.76)
.031(.79)
1.125(28.56)
5.156(130.92)
8.250(209.47)
11.313(287.22)
10.188(258.66)
16.000(406.24)
18.250(463.37)
6.938(176.14)
5.813(147.58)
4.719(119.81)
.703(17.85)
B
.313(7.93)
4.125(104.73)
3.063(77.76)
1.844(46.81)
1.531(38.88)
.922(23.41)
.719(18.25)
2.531(64.27)
2.813(71.41)
1.375(34.91)
1.250(31.74)LineEnd
LoadEnd
LineEnd
LoadEnd
2.750(69.82)
5.500(139.65) 4.000
(101.56)8.000
(203.12)
2.125(53.95)
1.188(30.15)
6.063(153.93)
4.063(103.15)
4.875(123.78)
5.250(133.30)
3.094(78.55)
1.250(57.13)
.531(13.49)
1.875(47.61)
3.375(85.69)
.219(5.55)
1.188(30.15)
1.188(30.15)
1.750(44.43)
9.563(242.79)
14.750(374.50)
5.188(131.71)
2.188(55.54)
.594(15.08)
.219(5.55)
1.750(44.43)
1.188(30.15)
.531(13.49)
1.375(34.91)
3.813(96.80)4.000
(101.56)
Front View Side View
Line End
Load End
WestinghouseAB DE-IONCurrent LimitingCircuit Breakers
Type LCL Current Limit-RCurrent Limiting Breakers125-400 Amperes
Cutler-HammerWestinghouse &Cutler-Hammer ProductsFive Parkway CenterPittsburgh, Pennsylvania, U.S.A. 15220
October 1997Mailed to: E, D, C/29-100A, 31-400A,
31-500A
-
Dimension Sheet29-170C
Page 4
October 1997
Cutler-HammerWestinghouse &Cutler-Hammer ProductsFive Parkway CenterPittsburgh, Pennsylvania, U.S.A. 15220
Printed in U.S.A.
Westinghouse AB DE-ION Current Limiting Circuit BreakersType LCL Current Limiting Breakers, Drilling Plans
Reproduced from drawing 1371D33Dimensions in parentheses in millimeters
Plug-In Adapter KitPoles Ampere Kit Style Thread
Rating Number Size
2 125-400 313C644G25 .750 (19.04) - 16 (406.24)3 125-400 313C644G26 .750 (19.04) - 16 (406.24)
Rear Connected StudsStud Ampere Stud Style Thread DimensionRating Number Size A
125-225 1241345 .500 (12.70) - 13 (330.07) 3.188 (80.93)125-225 1241392 .500 (12.70) - 13 (330.07) 4.938 (125.36)125-225 1241346 .500 (12.70) - 13 (330.07) 6.250 (158.69)250-400 05B7383G15 .750 (19.04) - 16 (406.24) 5.469 (138.85)250-400 05B7383G16 .750 (19.04) - 16 (406.24) 7.969 (202.33)250-400 05B7383G17 .750 (19.04) - 16 (406.24) 10.469 (265.80)
Terminal ArrangementsCable Catalog Ampere Wire
Number Rating Size
For Use With Cu/Al Cable (Supplied as Standard)
Single TA225LA1 125-225 #6-350 MCM Cu or#4-350 MCM Al
Double TA400LA1 250-400 #4-250 MCM Cu/Al Plus3/0-600 MCM Cu/Al
For Use With Copper Cable Only (Must be Specified)
Single TA225LA 125-500 #6-350 MCMDouble TA400LA 250-400 #4-250 MCM and
3/0-600 MCM
For Plug-In Blocks For Rear Connected Studs(For Non-Conductive Panels)
For Mounting Bolts Front Cover Cutout.500(12.70) Dia(6) Holes for .375(9.52)Mounting Bolts1.375(34.91)
CL Handle
.563(14.28) Dia. Holefor 125 to 255 Amps
.813(20.63) Dia. Holefor 250 to 400 Amps
6 Holes for3-Pole Breaker
4 Holes for2-Pole Breaker
Omit 2 Center Holesfor 2-Pole Breaker
.250(6.35) Tap or
.313(7.93) Dia.(4) Holes
.188 R(4.76) R
.250 R(6.35) R
.250 R(6.35) R
Do Not Use More Than 25 Ft.Lbs. Torque to Tighten Nuts
A
Do Not Use More Than 25 Ft.Lbs. Torque to Tighten Nuts
CL Stud
CL Stud
C L B
reak
er
CL Handle
C L B
reak
er
C L B
reak
er
CL Handle
C L B
reak
er
2.750(69.82)1.125
(28.56)
1.750(44.43) 9.563
(242.79)
14.750(374.50)
17.000(431.63)
5.188(131.71)
1.125(28.56)
1.094 R(27.77) R
5.500(139.65)
2.750(69.82)
.500(12.70)
1.000(25.39)
9.563(242.79)
14.750(374.50)
5.188(131.71)
5.500(139.65)
2.750(69.82)
14.688(372.92)
9.531(242.00)
5.156(130.92)
1.375(34.91)
2.750(69.82)
3.250(82.52)
1.625(41.26)
1.969(49.99)
2.078(52.76)
6.016(152.74)
3.500(88.87)
7.000(177.73)
.031(.79)
-
Dimension Sheet29-170C
Page 5
.203(5.16) Dia.
.344(8.73) + .005 Dia. Counterbore
.250(6.35) Deep(2 Holes)
2.750(69.82)
.063 R(1.59) R
.125 R(3.17) R .125(3.17) x .875(22.22) Copper
Bars for 15 to 100 Amp.250(6.35) x .625 (15.87) CopperBars for 125 and 150 Amp BarsMay be Rotated 90
.047 R(1.19) R
1730'
1.375(34.91)
1.375(34.91)
.688(17.46)
1.000(25.39)
.500(12.70)
.125(3.17) Dia.
.313(7.93) Deep
.156(3.97) Dia. Counterbore
.031(.79) Deep(3 Holes)
1.969(49.99)
2.594(65.86)
2.625(66.65)
7.250(184.08)
.750(19.04)
1.828(46.42)
1.656(42.05)
2.906(73.79)
2.969(75.38)
4.766(121.00)
7.813(198.36)
3.375(85.69)
8.750(222.16)
1.281(32.53)
2.563(65.06)
.063 R(1.59) R
2.531(64.27)
.063(1.59)
.203(5.16) Dia.
.375(9.52) Dia. Counterbore
.750(19.04) Deep(2 Holes)
2.047(51.97)
4.094(103.94)4.125
(104.73)2.063
(52.37)3.875
(98.39)1.938
(49.19)
.375(9.52)
.031(.79)
2.219(52.97)
3.500(88.87)
7.500(190.43)
3.375(85.69)
5.375(136.47)
2.125(53.95)
3.188(80.93)
4.375(111.08)
2.219(56.33)
2.250(57.13)
2.125(53.95)
.078(1.98)
.500(12.70)
.500(12.70)
1.000(25.39)
1.000(25.39)
.750(19.04)
.688(17.46)
.125(3.17)
.813(20.63)
2.906(73.79)
1.406(35.70)
830'330'
6
430'
Handle .375(9.52) Thick7 Taper(Each Side)
Toggle OffTripped
On
ResetOff
2.563 R(65.06) R
.063(1.59) .563
(14.28)
.813(20.63).125
(3.17)
.750(19.04)
.063(1.59)3.500
(88.87)3.969
(90.77)
7.813(198.36)
OFF
Cutler-HammerWestinghouse &Cutler-Hammer ProductsFive Parkway CenterPittsburgh, Pennsylvania, U.S.A. 15220
Type FB Tri-Pac Breaker
Front View Side View
Line End
Reproduced from drawing 4979D67Dimensions in parentheses in millimeters
Load End
WestinghouseAB DE-IONCurrent LimitingCircuit Breakers
Type FB Tri-Pac BreakerOctober 1997Mailed to: E, D, C/29-100A, 31-400A,
31-500A
-
Dimension Sheet29-170C
Page 6
October 1997
.164 - 32 Tap(4) Holes
2.625(66.65)
CL Handle
.438(11.11) Dia.(6) Holes for15 to 100 Amps
.438(11.11) Dia.(4 Holes)
.656 R(16.66) R
.219 R(5.55) R
.125 R(3.17) R
7.250(184.08)
.688(17.46)
1.375(34.91)
C L B
reak
er
CL HandleC L
Bre
aker
1.375(34.91)
2.750(69.82)
2.906(73.79)
7.813(198.36) CL Handle
C L B
reak
er2.906(73.79)
7.813(198.36)
.813(20.63)
.813(20.63)
1.375(34.91)
2.750(69.82)
.250(6.35) .500
(12.70)
.656 R(16.66) R
.250(6.35)
.500(12.70)
1.375(34.91) .688(17.46)
2.063(52.37)
2.719(69.03)
1.188(30.15)
.594(15.08)
4.000(101.56)
2.000(50.78)
1.734(44.04)
Removable Connector ULListed Wire Range 14 to 1/0CU 12 to 1/0 AL WillAccommodate 14 to 3/0 Wire
ConnectorStrap
.313(7.93)
.938(23.80) Line End
.594(15.08) Load End(Available Contact Surface) For Bolt-onOnly
BreakerMountingSurface
D
MountingPanel
.750(19.04)
.063(1.59)C
B
E
A
F Thread
Cutler-HammerWestinghouse &Cutler-Hammer ProductsFive Parkway CenterPittsburgh, Pennsylvania, U.S.A. 15220
Dimensions in parentheses in millimetersReproduced from drawing 4979D67
Type FB Tri-Pac Circuit Breaker, Drilling Plans
Westinghouse AB DE-ION Current Limiting Circuit Breakers
Front Cover CutoutFor Plug-In BlocksFor Mounting Bolts For Rear Connected Studs
Terminal Arrangements
Wire Connection Bus Connection Stud Connection Plug-In or Bolt-OnConnection
For 15- to 100-Amp BreakersStud Ampere Stud Panel Tube TubeRating Style Thickness Length Style D E FNumber A B C Number
100 A Short 451D874G01 1.000 (25.39) 1.063 (29.98) 32B9446H20100 A Short 451D874G01 .688 (17.46) - .938 (23.80) 1.375 (34.91) 32B9446H21100 A Short 451D874G01 .375 (9.52) - .625 (15.87) 1.688 (42.85) 32B9446H22 6.125 (155.51) 3.625 (92.04) .313 (7.93)100 A Short 451D874G01 .250 (6.35) - .313 (7.93) 2.000 (76.17) 32B9446H23 18.00 (457.02)
100 A Long 451D874G02 1.000 (25.39) 3.438 (87.28) 32B9446H24100 A Long 451D874G02 .688 (17.46) - .938 (23.80) 3.750 (95.21) 32B9446H25100 A Long 451D874G02 .375 (9.52) - .625 (15.87) 4.063 (103.15) 32B9446H26100 A Long 451D874G02 .250 (6.35) - .313 (7.93) 4.375 (111.08) 32B9446H27
Ordering instructions. Stud complete consists of one stud assembly and one tube as per chart. Order long and short studs and tubes asrequired to obtain proper bus spacing.
Rear Connected Studs
Printed in U.S.A.
-
Dimension Sheet29-170C
Page 7
.313(7.93) Dia. Mtg. Holes
.219(5.55) Dia. C'bore(4) Holes
4.125(104.73)
CL Handle
.125(3.17) Diameter
.313(7.93) Deep Accepts#6 Thread Cutting Screws(2) Holes
MagneticTripAdjustment
.250 R(6.35) R
Current Carrying PartsOmitted from CenterPole for 2-Pole Breaker
CL Handle
Handle .438(11.11)Thick 1 Taper BothSides 1.563(39.67)Wide
5.500(139.65)
2.063(52.37)
5.625(142.82)
5.156(130.92)
1.875(47.61)
1.219(30.94) .250(6.35)
1.531(38.88)
1.531(38.88)
3.031(76.96)
4.500(114.26)
3.906(99.18)
4.750(120.60)
9.563(242.79)
9.000(228.51)
14.250(361.81)
16.000(406.24)
9.688(245.97)
1.375(34.91)
2.750(69.82)
2.750(69.82)
5.500(139.65)
7.750(196.77)
8.125(206.29)
8.000(203.12)
3.875(98.39)
4.063(103.15)
4.125(104.73)
4.000(101.56)
1.563(39.67)
4.063(103.15)
4.750(120.60)
8.000(203.12)
4.000(101.56)
5.250(133.30)
4.313(109.49)
1.875(47.61)
3.375(85.69)
3.813(96.80)
1.250(31.74)
.531(13.49)
1.125(28.56)
1.750(44.43)
5.094(129.33)
1.188(30.15)
1.625(41.26)
9.688(245.97)
14.781(375.30)
.594(15.08)
1.125(28.56)
1.750(44.43)
.531(13.49)1.250
(31.74)2.531
(64.27)4.063
(103.15).688
(17.46)
.094 R(2.38) R
1112Off
15Reset
1912On
1AutomaticTripped
3.875 R(98.39) R
Cutler-HammerWestinghouse &Cutler-Hammer ProductsFive Parkway CenterPittsburgh, Pennsylvania, U.S.A. 15220
Reproduced from drawing 655D300 Dimensions in parentheses in millimeters
Type LA Tri-Pac Circuit Breaker
Front View Side View
Line End
Load End
WestinghouseAB DE-IONCurrent LimitingCircuit Breakers
Type LA Tri-Pac Circuit BreakerOctober 1997Mailed to: E, D, C/29-100A, 31-400A,
31-500A
-
Dimension Sheet29-170C
Page 8
October 1997
.313(7.93) Dia(4 Holes)
2.750(69.82)
CL Handle
C L B
reak
er
1.375(34.91)
4.750(120.60)
14.250(361.81)
9.500(241.21)
2.750(69.82)
5.500(139.65)
5.094(129.33)
9.688(245.97)
14.781(375.30)
.813(20.63) Diameter Holefor 50 to 400 Amps6 Holes for 3-Pole Breaker4 Holes for 2-Pole BreakerOmit 2 Center Holes for2-Pole Breaker
CL Handle
C L B
reak
er
CL Handle
C L B
reak
er
CL Studs
CL Studs
5.500(139.65)
2.750(69.82)
1.375(34.91)
1.750(44.43)
1.125(28.56)
5.094(129.33)
9.344(237.24)
1.125(28.56)
.500(12.70)
1.000(25.39)
.500(12.70) Diameter(6 Holes) for.375(9.52) DiameterMounting Bolts
1.188 R(30.15) R
14.781(375.30)
17.031(432.42)
2.750(69.82) 6.813
(172.97)
.250 R(6.35) R
.375 R(9.52) R
.125 R(3.17) R
3.406(86.48)
3.250(82.52)
1.625(41.26)
1.969(49.99)
4.375(111.08)
4.813(122.19)
4.063(103.15)
8.125(206.29)
2.734(69.43)
.031(.79) A
CL Handle
C L B
reak
er
Westinghouse AB DE-ION Current Limiting Circuit BreakersType LA Tri-Pac Circuit Breaker, Drilling Plans
Cutler-HammerWestinghouse &Cutler-Hammer ProductsFive Parkway CenterPittsburgh, Pennsylvania, U.S.A. 15220
Printed in U.S.A.
Dimensions in parentheses in millimetersReproduced from drawing 655D300
Front Cover CutoutFor Rear Connected Studs
Plug-In Adapter KitPoles Ampere Kit Style Thread
Rating Number Size
2 125-400 313C644G25 .750 (19.04) - 16 (406.24)3 125-400 313C644G26 .750 (19.04) - 16 (406.24)
Rear Connected StudsStud Ampere Stud Style Thread DimensionRating Number Size A
125-225 1241345 .500 (12.70) - 13 (330.07) 3.219 (81.72)125-225 1241392 .500 (12.70) - 13 (330.07) 6.281 (159.48)125-225 1241346 .500 (12.70) - 13 (330.07) 4.969 (126.16)250-400 05B7383G15 .750 (19.04) - 16 (406.24) 5.938 (176.14)250-400 05B7383G16 .750 (19.04) - 16 (406.24) 7.969 (202.33)250-400 05B7383G17 .750 (19.04) - 16 (406.24) 10.938 (277.70)
For Mounting Bolts For Plug-In Blocks
Terminal ArrangementsCable Catalog Ampere Wire
Number Rating Size
For Use With Cu/Al Cable (Must be Specified)
Single TA225LA1 125-225 #6-350 MCM Cu or#4-350 MCM Al
Double TA400LA1 250-400 #4-250 MCM Cu/Al Plus3/0-600 MCM Cu/Al
For Use With Copper Cable Only (Supplied as Standard)
Single TA225LA 70-225 #6-350 MCMDouble TA400LA 250-400 #4-250 MCM and
3/0-600 MCM
-
Dimension Sheet29-170C
Page 9
ON
OFF
8.250(209.47)
0.500(12.70) -13 Tap
4.125(104.73)
2.750(69.82)
1.375(34.91)
8.125(206.29)
19.750(501.45)
3.750(95.21)
3.484(88.47)
1.875(47.61)
.313(7.93)
MagneticTripAdjustment
22.000(533.19)
5.625(142.82)
9.250(234.86)
20.750(526.84)
2.859(72.60)
.250(6.35)
8.625(218.99)
.344(8.73) DiaMounting Holes.688(17.46) DiaCounterbore(4) Holes
.563(14.28)
.594(15.08)
2.156(54.75)
2.156(54.75)
5.500(139.65)
2.750(69.82)
3.063(77.76)
1.531(38.88)
FrontConnectedTerminals(See Table)
Current Carrying PartsOmitted from Center Polefor 2-Pole Breaker
.531(13.49)
.969(24.60)
1.938(49.19)
1.125(28.56)
2.250(57.13)
.438(11.11)Thick 1 Taperon Each Side
1930'On
1130' Off
1 Auto Trip
15 ResetMaximum
3.844 R(97.59) R
3.344(84.90)
.156(3.97)
.531(13.49)
.563(14.28)
.063(1.59)
45
.734(18.65)
1.156(29.36)
3.094(78.55)
5.250(133.30)
5.500(139.65)6.000
(152.34)
7.188(182.49)
17.500(444.33)
7.000(177.73)
2.313(58.71)
1.156(29.36)
1.438(36.50)
.719(18.25)
3.094(78.55)
1.156(29.36)
.734(18.65)
.531(13.49)
.063(1.59)
CL Handle
Reproduced from drawing 372D515 Dimensions in parentheses in millimeters
Type NB Tri-Pac Circuit BreakerFront View Side View
Line End
Load End
WestinghouseAB DE-IONCurrent LimitingCircuit Breakers
October 1997Mailed to: E, D, C/29-100A, 31-400A,
31-500A
Type NB Tri-Pac Circuit Breaker
Cutler-HammerWestinghouse &Cutler-Hammer ProductsFive Parkway CenterPittsburgh, Pennsylvania, U.S.A. 15220
-
Dimension Sheet29-170C
Page 10
October 1997
.375(9.52) Dia.for .312 - 18 Tap(4) Holes
2.750(69.82)
CL Handle
1.375(34.91)
8.625(142.82)
12.125(307.85)
20.750(526.84)
C L B
reak
er
CL Handle
C L B
reak
er
Omit Holes inCenter Pole for2-Pole Breaker
6 Holes for 3-Pole Breaker4 Holes for 2-Pole Breaker
5.500(139.65)
7.000(177.73)
10.500(266.60)
17.500(444.33)
2.750(69.82)
.125 R(3.17) R
1.125(28.56) -12 Threads Omit from Center Pole
for 2-Pole Breaker
1.000(25.39)MinimumInsolated
Panel
.031(.79)
A
3.250(82.52)
.125 R(3.17) R
.125 R(3.17) R
.375 R(9.52) R
1.625(66.65)
2.734(69.43)
1.969(49.99)
4.156(105.53)
9.969(253.11)
3.406(86.48)
6.813(172.97)
4.063(103.15)
8.125(206.29)
Center Pole Stud StyleNumber 373B375G03(Omit for 2-Pole Breaker)
.031(.79)
1.000(25.39)MinimumInsolated
Panel
5.500(139.65)
6.188(157.10)
10.500(266.60)
Outside Poles StudStyle Number373B375G04 1.250(31.74) -12 Threads
Breaker Mounting Hardware
1.094(27.77)
.734(18.65)
.531(13.49)
7.000(177.73)
17.500(444.33)
24.000(609.36)
25.500(647.45)
1.750(44.43)
.750(19.04)
.375(9.52)
.563(14.28)Diameter(4 Holes)
2.500(63.48)
1.750(44.43).750(19.04)
1.750(44.43)
Breaker Mounting Hardware
6.375(161.86)
.438(11.11) Dia.Mounting Holes(4 Total)
3.375(85.69)
1.000(25.39)
.531(13.49)
.219(5.55)
.500(12.70)
2.750(69.82)
5.500(139.65)
6.750(171.38)
8.250(209.47)
CL Handle
C L B
reak
er
Westinghouse AB DE-ION Current Limiting Circuit BreakersType NB Tri-Pac Circuit Breaker, Drilling Plans
Cutler-HammerWestinghouse &Cutler-Hammer ProductsFive Parkway CenterPittsburgh, Pennsylvania, U.S.A. 15220
Printed in U.S.A.
Dimensions in parentheses in millimetersReproduced from drawing 372D515 Reproduced from drawing 4990D38
Front Cover CutoutBolted Rear Connected StudsFor 300-450 Amps
Front Connected TerminalsCatalog Ampere WireNumber Rating Size
For Use With Cu/Al Cable (Supplied as Standard)
TA700 NB 1 300-700 Two #1-500 MCMTA1000 NB 1 800 Three #3/0-400 MCM
For Use With Copper Cable Only (Optional)
T350 NB 300-350 Single Cable 1-600 MCMT700 NB 1 400-700 Double Cable 2/0-500 MCMT1000 NB 1 800 Triple Cable 3/0-500 MCM
For Mounting Bolts(Front Connected Terminals)
For Rear Connected Studs(Insulated Panel)
-
Dimension Sheet29-170C
Page 11
O N
OFF
6.281(159.48)
.075(19.04)
CL Handle
.075(19.04)
.406(10.31)
2.500(63.48)
.063(1.59)
.438(11.11)
2.016(51.18)
6.031(153.13)
12.063(306.27)
3.141(79.74)
5.031(127.74) 2.516
(63.87)
9.938(252.31)
5.781(146.79)
13.688(347.53)
11.063(281.27)
22.125(561.75)
4.719(119.81)
6.156(156.31) .313(7.93)
Magnetic TripAdjustment
1.000(25.39)
3.016(76.57)
3.016(76.57)
4.531(115.05)
.656(16.66)
2.469(62.68)
2.266(57.52)
1 TaperEach Side
4.031(102.35)
4.031(102.35) Current Carrying Parts areOmitted from Center Pole
for 2-Pole Breakers
Connectors Maybe MountedEdgewise orFlatwise
C L o
f B
reak
er
1.375(34.91)
4.125(104.73)
9.063(230.10)
9.938(252.31)
1.500(38.09)
3.406(86.48)
.438(11.11)
5.625(142.82)
1.500(38.09)
.438 (11.11)Dia. Holes
6.281(159.48)
14.438(366.57)
.750(19.04)
.781(19.84)
Dia.
6.250 R(152.44) R
18On
Removable HandleExtension SuppliedWith Breaker
12 Tripped
18ResetMaximum
10.500
(266.6
0) R
1TapperEach Side
.938(23.80)
12Off
CL Handle
Reproduced from drawing 654D4460 Dimensions in parentheses in millimeters
Type PB Tri-Pac Breaker
Front View Side View
Line End
Load End
WestinghouseAB DE-IONCurrent LimitingCircuit Breakers
October 1997Mailed to: E, D, C/29-100A, 31-400A,
31-500A
Type PB Tri-Pac Breaker
Cutler-HammerWestinghouse &Cutler-Hammer ProductsFive Parkway CenterPittsburgh, Pennsylvania, U.S.A. 15220
-
Dimension Sheet29-170C
Page 12
October 1997
Westinghouse AB DE-ION Current Limiting Circuit BreakersType PB Tri-Pac Circuit Breaker, Drilling Plans
Cutler-HammerWestinghouse &Cutler-Hammer ProductsFive Parkway CenterPittsburgh, Pennsylvania, U.S.A. 15220
Printed in U.S.A.
Dimensions in parentheses in millimetersReproduced from drawing 654D460
C L B
reak
er
5.031(127.74)
4.719(119.81)
2.359(59.90)
3.250(82.52)
6.938(176.14)
4.875(123.78)
Recommend .875 (22.22)Dia. Hole to Show AmpereRating
.313 R(7.93) R
CL Handle
CL Handle
C L B
reak
er
2.516(63.87)
9.938(252.31)
3.688(347.53)
4.031(102.35)
2.016(51.18)
.406 (10.31) Dia. or
.375 (9.52) - 16 Tap(4) Holes
For Mounting Bolts Front Cover Cutout
Line End
Load End