Model: B1178

Circuit Breaker

Properties:

Body Style
Multipole-multiple actuator type
Body Length
2.490 inches
Body Width
1.859 inches
Body Height
1.530 inches
Center To Center Distance Between Terminals Parallel To Length
1.940 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Width
0.750 inches
End Application
Mk134 mod 0 and mk135 mod 0, cg52t58, cabinet, conversion eqpt; mk142, 144, 143, 138, 140, 137, 141 mod 0, cg52t58, cabinet processor; an/uyq-70 (v) adv display sys n/a for cosal use
Boss Height
0.140 inches
Pole Quantity
2
Maximum Continuous Load Current Rating Per Pole
5.0 amperes ac all locations
Operating Voltage Type And Rating Per Pole In Volts
277.0 ac all locations
Part Name Assigned By Controlling Agency
Magnetic circuit protector
Precious Material
Gold
Supplementary Features
One handle per pole; internal configuration is series w/auxilary switch with gold contacts with 0.110 quick connect
NSN
5925-01-556-1392
Part Number
B1178
Description
Circuit Breaker
CAGE
90536

A device with means other than fuses for automatically opening the circuit in which it is installed when the current varies from the predetermined value for which the device is set. May include provisions for manual operation. At least one set of contacts must be in series with the actuating element(s). A combination of semiconductor and passive devices may be used in lieu of contacts. For automatically operated items in which the actuating (tripping) element and contacts are not in series, see relay (as modified). For items which are operated both manually and automatically but the actuating elements and contact are not in series, see relay-switch. Excludes circuit breaker box and magneto "breaker" assemblies. See also switch (as modified); and controller.

Part B1178 NSN 5925-01-556-1392

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00136
FIIG:
A030A0
Concept No.:
App. Key:
A
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
G
ESD:
A
ESD:
A
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061300
UFC:
34410
LTL:
77.5
LCL:
--
WCC:
658
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8536200040
  • SITC: 77252
  • End Use: Electric apparatus
  • NAICS: 335313
  • USDA: 1

Freight Class: Automatic circuit breakers, for a voltage not exceeding 1,000 v, nesoi

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