Model: 1531-787

Circuit Breaker

Special Features:

8 plug-in terminals

Properties:

Overall Length
9.375 inches
Overall Height
4.812 inches
Overall Width
4.125 inches
Case Material
Plastic
Pole Quantity
3
Arc Quenching Method
Deion
Mounting Facility Type And Quantity
4 unthreaded hole
Maximum Continuous Load Current Rating Per Pole
70.0 amperes ac all locations
Operating Voltage Type And Rating Per Pole In Volts
15000.0 ac all locations and 15000.0 dc all locations
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
15000.0 ac all locations and 15000.0 dc all locations
Circuit Protection Type
Overcurrent all locations
Trip Release Method
Thermal-magnetic all locations
Trip Release Characteristic
Instantaneous all locations and time delay all locations
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent
125.0 all locations
Reset Method
Manual
Main Contact Tripping Mechanism Type
Trip free
Manual Actuator Type And Quantity
1 toggle
Actuator Function
Trip w/separate reset
Trip Release Duty Cycle
Continuous all locations
Trip Delay Time In Seconds Per Rated Continuous Current
7200.000 at 125 pct all locations and 220.000 at 200 pct all locations and 45.000 at 300 pct all locations
Trip Release Ambient Tempurature Rating
25.0 degrees celsius all locations
NSN
5925-00-647-3469
Part Number
1531-787
Description
Circuit Breaker
CAGE
79500

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 1531-787 NSN 5925-00-647-3469

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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