#457D452G28 Circuit Breaker Tripping Unit 8.250 inches overall width

457D452G28

Circuit Breaker Tripper

NSN 5925-00-103-3880

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
001033880
Description

Rectangular dimensional envelope body style, 16.000 inches overall length, 4.062 inches overall height, 8.250 inches overall width.

Technical Specifications of NSN

Body Style:
Rectangular dimensional envelope
Overall Length:
16.000 inches
Overall Height:
4.062 inches
Overall Width:
8.250 inches
Unthreaded Mounting Hole Diameter:
0.344 inches
Pole Quantity:
3
Mounting Facility Type And Quantity:
4 unthreaded hole
Storage Type:
General purpose warehouse
Maximum Continuous Load Current Rating Per Pole:
800.0 amperes ac all locations
Operating Voltage Type And Rating Per Pole In Volts:
600.0 ac all locations
Circuit Protection Type:
Overcurrent all locations
Trip Release Method:
Thermal-magnetic all locations
Trip Release Characteristic:
Time delay all locations
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent:
125.0 all locations
Manual Actuator Type And Quantity:
1 toggle
Actuator Function:
Trip-reset
Actuator Position Designation:
At pole two
Trip Delay Time In Seconds Per Rated Continuous Current:
280.000 at 200 pct all locations and 950.000 at 200 pct all locations
Trip Delay Time In Seconds Per Rated Continuous Current:
280.000 at 200 pct and 950.000 at 200 pct all locations
Trip Release Ambient Tempurature Rating:
40.0 degrees celsius all locations
Frequency In Hertz:
60.0 all locations
Terminal Type And Quantity:
6 compression
NSN:
5925-00-103-3880
Item Name:
Circuit Breaker Tripping Unit
Cage Code:
79500

Other Related Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
HMA3800T
Cage Code:
79500
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 457D452G28

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Last Updated: 06/03/2025