Model: 545393

Circuit Breaker

Special Features:

Mtg holes on 7.250 by 1.375 in. Mtg centers

Properties:

Overall Length
9.375 inches
Overall Height
4.938 inches
Overall Width
4.125 inches
Case Material
Plastic
Unthreaded Mounting Hole Diameter
0.281 inches
Pole Quantity
3
Arc Quenching Method
Deion
Mounting Facility Type And Quantity
4 unthreaded hole
Maximum Continuous Load Current Rating Per Pole
50.0 amperes ac all locations
Operating Voltage Type And Rating Per Pole In Volts
600.0 ac all locations
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
15000.0 ac 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
Ultimate Trip Time Per Pole In Seconds
200.000 all locations and 2700.000 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 Delay Time In Seconds Per Rated Continuous Current
200.000 at 125 pct all locations and 2700.000 at 125 pct all locations and 20.000 at 200 pct all locations and 60.000 at 200 pct all locations and 5.500 at 300 pct all locations and 15.000 at 300 pct all locations
Inclosure Protection Type For Which Designed
Dustproof
Trip Release Ambient Tempurature Rating
25.0 degrees celsius all locations
Frequency In Hertz
60.0 all locations
Terminal Type And Quantity
6 screw
NSN
5925-00-581-1888
Part Number
545393
Description
Circuit Breaker
CAGE

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 545393 NSN 5925-00-581-1888

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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