Model: 8731K3

Circuit Breaker
Description:

2.875 inches overall length, 2.188 inches overall height, 0.750 inches overall width, plastic case material, 1.812 inches distance between centerlines of mounting facilities parallel to body length.

Properties:

Overall Length
2.875 inches
Overall Height
2.188 inches
Overall Width
0.750 inches
Case Material
Plastic
Distance Between Centerlines Of Mounting Facilities Parallel To Body Length
1.812 inches
Pole Quantity
1
Arc Quenching Method
Air
Mounting Facility Type And Quantity
2 threaded hole
Thready Qty Per Inch (tpi)
32
Maximum Continuous Load Current Rating Per Pole
10.0 amperes dc single location
Operating Voltage Type And Rating Per Pole In Volts
28.0 dc single location
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
1500.0 dc single location
Circuit Protection Type
Overcurrent single location
Trip Release Method
Thermal single location
Trip Release Characteristic
Time delay single location
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent
130.0 single location
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 one
Internal Trip Release Configuration
Series trip single location
Thread Size
0.138 inches
Trip Delay Time In Seconds Per Rated Continuous Current
10.000 at 200 pct single location and 100.000 at 200 pct single location
Trip Release Ambient Tempurature Rating
25.0 degrees celsius single location
Thread Series Designator
Unc
Terminal Type And Quantity
2 screw
NSN
5925-00-241-9772
Part Number
8731K3
Description
Circuit Breaker
CAGE
81640

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 8731K3 NSN 5925-00-241-9772

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

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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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