#25B4439 Magnetic Circuit Protector | Circuit Breakers

25B4439

Circuit Breaker

NSN 5925-00-174-3308

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
001743308

Product Technical Spec.

Body Style:
Rectangular dimensional envelope
Overall Length:
17.688 inches
Overall Height:
4.688 inches
Overall Width:
8.250 inches
Case Material:
Plastic
Pole Quantity:
3
Mounting Facility Type And Quantity:
4 threaded hole
Thready Qty Per Inch (tpi):
16
Maximum Continuous Load Current Rating Per Pole:
125.0 amperes ac all locations and 125.0 amperes dc all locations
Operating Voltage Type And Rating Per Pole In Volts:
250.0 ac all locations and 250.0 dc all locations
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps:
10000.0 ac all locations and 10000.0 dc all locations
Circuit Protection Type:
Overcurrent first location
Circuit Protection Type:
Overcurrent second location
Circuit Protection Type:
Undervoltage third location
Trip Release Method:
Thermal 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
Reset Method:
Manual
Main Contact Tripping Mechanism Type:
Trip free
Manual Actuator Type And Quantity:
1 toggle
Actuator Function:
Trip w/separate reset
Actuator Position Designation:
At pole two
Internal Trip Release Configuration:
Series trip all locations
Thread Size:
0.375 inches
Trip Delay Time In Seconds Per Rated Continuous Current:
108.000 at 200 pct all locations and 500.000 at 200 pct all locations
Trip Release Ambient Tempurature Rating:
25.0 degrees celsius all locations
Frequency In Hertz:
60.0 all locations
Thread Series Designator:
Unc
Terminal Type And Quantity:
6 screw
NSN:
5925-00-174-3308
Item Name:
Magnetic Circuit Protector
Cage Code:
79500

Cross Referenced Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
1310-872
Cage Code:
79500
RNCC:
3
RNVC:
2
RNAAC:
XX
Status:
A
MSDS:
SADC:
Part Number:
S06E5209
Cage Code:
79500
RNCC:
3
RNVC:
2
RNAAC:
XX
Status:
A
MSDS:
SADC:
Part Number:
291788
Cage Code:
99993
RNCC:
3
RNVC:
2
RNAAC:
XX
Status:
A
MSDS:
SADC:
Part Number:
260-0786-00
Cage Code:
13499
RNCC:
5
RNVC:
9
RNAAC:
XX
Status:
A
MSDS:
SADC:

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Pricing & Availability

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Circuit Breakers
--------- Circuit Breakers
------------ P/N 25B4439

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Last Updated: 08/05/2025