Model: 179945

Circuit Breaker
Description:

0.562 inches unthreaded mounting hole diameter, 3 pole quantity, 8 unthreaded hole mounting facility type and quantity, adjustable trip release features provided.

Properties:

Unthreaded Mounting Hole Diameter
0.562 inches
Pole Quantity
3
Mounting Facility Type And Quantity
8 unthreaded hole
Features Provided
Adjustable trip release
Maximum Continuous Load Current Rating Per Pole
1200.0 amperes dc all locations
Operating Voltage Type And Rating Per Pole In Volts
250.0 dc all locations
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
50000.0 dc all locations
Circuit Protection Type
Overcurrent all locations
Trip Release Method
Magnetic all locations
Trip Release Characteristic
Time delay all locations
Reset Method
Automatic
Manual Actuator Type And Quantity
1 rotary
Actuator Function
Trip-reset
Auxiliary Switch Function And Quantity
1 control
Adjustable Trip Setting Current Range Per Pole In Amps
+1800.0/+2800.0 dc all locations
Terminal Type And Quantity
6 bus bar
Reference Number Differentiating Characteristics
As differentiated by pole quantity, continuous load currentrating per pole, operating voltage type and rating per pole in volts
NSN
5925-00-174-8792
Part Number
179945
Description
Circuit Breaker
CAGE
30086

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 179945 NSN 5925-00-174-8792

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061300
UFC:
34410
LTL:
77.5
LCL:
77.5
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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