Model: 1857432

Circuit Breaker

Properties:

Body Style
Multipole-single actuator type
Bushing Length
0.380 inches
Body Length
1.562 inches
Body Width
1.987 inches
Case Material
Metal
Center To Center Distance Between Terminals Parallel To Length
0.875 inches
Center To Center Distance Between Terminals Parallel To Width
0.625 inches
Fragility Factor
Moderately rugged
Mounting Surface To Terminal End Distance
1.780 inches
Pole Quantity
3
Mounting Facility Type And Quantity
2 threaded bushing w/panel seal
Storage Type
General purpose warehouse
Special Handling Feature
Magnetic
Thready Qty Per Inch (tpi)
32
Maximum Continuous Load Current Rating Per Pole
12.0 amperes ac first location
Maximum Continuous Load Current Rating Per Pole
12.0 amperes ac second location
Operating Voltage Type And Rating Per Pole In Volts
12.0 dc third location
Operating Voltage Type And Rating Per Pole In Volts
240.0 ac second location
Operating Voltage Type And Rating Per Pole In Volts
240.0 ac first location
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
300.0 ac first location
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
300.0 ac second location
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
500.0 dc third location
Circuit Protection Type
Overcurrent all locations
Trip Release Method
Magnetic-hydraulic all locations
Trip Release Characteristic
Instantaneous third location
Trip Release Characteristic
Time delay second location
Trip Release Characteristic
Time delay first location
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent
135.0 all locations
Reset Method
Manual
Main Contact Tripping Mechanism Type
Trip free
Manual Actuator Type And Quantity
1 toggle
Actuator Function
Trip-reset
Actuator Position Designation
At pole two
Internal Trip Release Configuration
Series trip first location
Internal Trip Release Configuration
Relay trip third location
Internal Trip Release Configuration
Series trip second location
Thread Size
0.375 inches
Trip Delay Time In Seconds Per Rated Continuous Current
0.500 at 200 pct second location and 9.000 at 200 pct second location
Trip Delay Time In Seconds Per Rated Continuous Current
0.500 at 200 pct first location and 9.000 at 200 pct first location
Inclosure Protection Type For Which Designed
Hermetically sealed and shockproof and vibrationproof
Frequency In Hertz
400.0 first location
Frequency In Hertz
400.0 second location
Unpackaged Unit Weight
5.400 ounces
Thread Series Designator
Unef
Terminal Type And Quantity
6 wire hook
NSN
5925-01-129-6220
Part Number
1857432
Description
Circuit Breaker
CAGE
03956

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 1857432 NSN 5925-01-129-6220

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

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:
Q
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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