#457D446G26 Circuit Breaker Tripping Unit | Circuit Breakers

457D446G26

Circuit Breaker Tripper

NSN 5925-01-149-4269

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
011494269

Detail Specifications

Body Style:
Rectangular dimensional envelope
Overall Length:
12.000 inches
Overall Height:
7.062 inches
Overall Width:
8.000 inches
Pole Quantity:
3
Mounting Facility Type And Quantity:
4 threaded hole
Storage Type:
General purpose warehouse
Thready Qty Per Inch (tpi):
20
Maximum Continuous Load Current Rating Per Pole:
250.0 amperes ac all locations
Operating Voltage Type And Rating Per Pole In Volts:
500.0 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:
150.0 all locations
Manual Actuator Type And Quantity:
1 toggle
Actuator Function:
Trip-reset
Actuator Position Designation:
At pole two
Thread Size:
0.250 inches
Trip Delay Time In Seconds Per Rated Continuous Current:
1800.000 at 200 pct all locations
Trip Release Ambient Tempurature Rating:
50.0 degrees celsius all locations
Frequency In Hertz:
400.0 all locations
Thread Series Designator:
Unc
Terminal Type And Quantity:
6 compression
NSN:
5925-01-149-4269
Item Name:
Circuit Breaker Tripping Unit
Cage Code:
89946

Manufacturer Part Numbers

No other part numbers with same form, fit, and function found.

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Circuit Breakers
--------- Circuit Breaker Trippers
------------ P/N 457D446G26

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Last Updated: 08/13/2025