#S457D446G14 Circuit Breaker Tripping Unit | Circuit Breakers

S457D446G14

Circuit Breaker Tripper

NSN 5925-00-758-6227

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
007586227

Detail Specifications

Body Style:
Rectangular dimensional envelope
Overall Length:
11.000 inches
Overall Height:
4.562 inches
Overall Width:
8.250 inches
Unthreaded Mounting Hole Diameter:
0.250 inches
Fragility Factor:
Moderately rugged
Pole Quantity:
3
Mounting Facility Type And Quantity:
4 unthreaded hole
Storage Type:
General purpose warehouse
Features Provided:
Adjustable trip release
Maximum Continuous Load Current Rating Per Pole:
160.0 amperes ac all locations and 160.0 amperes dc all locations
Operating Voltage Type And Rating Per Pole In Volts:
500.0 ac all locations and 250.0 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:
150.0 all locations
Manual Actuator Type And Quantity:
1 toggle
Actuator Function:
Trip-reset
Actuator Position Designation:
At pole two
Adjustable Trip Setting Current Range Per Pole In Amps:
+2020.0/+3420.0 ac all locations and +2020.0/+3420.0 dc all locations
Trip Delay Time In Seconds Per Rated Continuous Current:
120.000 at 200 pct all locations
Trip Release Ambient Tempurature Rating:
50.0 degrees celsius all locations
Frequency In Hertz:
400.0 all locations
Terminal Type And Quantity:
6 compression
NSN:
5925-00-758-6227
Item Name:
Circuit Breaker Tripping Unit
Cage Code:
89946

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
457D446G14
Cage Code:
89946
RNCC:
3
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Circuit Breakers
--------- Circuit Breaker Trippers
------------ P/N S457D446G14

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Last Updated: 08/10/2025