#452D371G21 Circuit Breaker Tripping Unit | Circuit Breakers

452D371G21

Circuit Breaker Tripper

NSN 5925-00-839-0290

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
008390290

Technical Specifications of NSN

Body Style:
Rectangular dimensional envelope
Overall Length:
7.531 inches
Overall Height:
3.500 inches
Overall Width:
3.688 inches
Unthreaded Mounting Hole Diameter:
0.438 inches
Pole Quantity:
3
Mounting Facility Type And Quantity:
3 unthreaded hole
Features Provided:
Adjustable trip release
Maximum Continuous Load Current Rating Per Pole:
150.0 amperes ac all locations and 150.0 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
Adjustable Trip Setting Current Range Per Pole In Amps:
+1950.0/+3900.0 ac all locations and +2250.0/+4100.0 dc all locations
Trip Delay Time In Seconds Per Rated Continuous Current:
60.000 at 300 pct all locations and 120.000 at 300 pct all locations
Trip Release Ambient Tempurature Rating:
50.0 degrees celsius all locations
Frequency In Hertz:
60.0 all locations
Terminal Type And Quantity:
6 bus bar
NSN:
5925-00-839-0290
Item Name:
Circuit Breaker Tripping Unit
Cage Code:
89946

Other Related Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
452D371G21
Cage Code:
79500
RNCC:
5
RNVC:
2
RNAAC:
XX
Status:
A
MSDS:
SADC:
Part Number:
900J376-452D371G21
Cage Code:
89946
RNCC:
5
RNVC:
2
RNAAC:
XX
Status:
A
MSDS:
SADC:

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Circuit Breakers
--------- Circuit Breaker Trippers
------------ P/N 452D371G21

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Last Updated: 06/03/2025