#1277184220 Breaker Assembly | Circuit Breakers

1277184220

Circuit Breaker

NSN 5925-01-315-3806

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
EA
NIIN:
013153806

Product Features

48 vdc shunt trip with wire leads installed on right side of circuit breaker; 120 vac motor operator mounted on front of circuit breaker, 5.750 inch lg, 3.230 inch w, 10.120 inch h

Product Technical Spec.

Body Style:
Rectangular dimensional envelope
Overall Length:
9.120 inches
Overall Height:
5.380 inches
Overall Width:
Between 8.240 inches and 8.250 inches
Case Material:
Plastic
Unthreaded Mounting Hole Diameter:
0.310 inches
Switch Contact Arrangement:
Single pole, double throw
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:
400.0 amperes ac all locations and 400.0 amperes dc all locations
Operating Voltage Type And Rating Per Pole In Volts:
600.0 ac all locations and 250.0 dc all locations
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps:
22000.0 ac all locations and 10000.0 dc all locations
Circuit Protection Type:
Overcurrent all locations
Trip Release Method:
Thermal-magnetic all locations
Trip Release Characteristic:
Instantaneous 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-reset
Actuator Position Designation:
At pole one
Auxiliary Switch Function And Quantity:
4 alarm
Adjustable Trip Setting Current Range Per Pole In Amps:
+1200.0/+4000.0 ac all locations and +1200.0/+4000.0 dc all locations
Switch Location And Position Designation:
External at pole three
Inclosure Protection Type For Which Designed:
General purpose
Trip Release Ambient Tempurature Rating:
50.0 degrees celsius all locations
Switch Terminal Type:
Wire lead
Switch Current Rating And Type In Amps:
6.0 ac and 0.250 dc
Switch Voltage Rating And Type In Volts:
240.0 ac and 250.0 dc
Frequency In Hertz:
60.0 all locations
Terminal Type And Quantity:
6 compression
NSN:
5925-01-315-3806
Item Name:
Breaker Assembly
Cage Code:
52414

Cross Referenced Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
12-771842-20
Cage Code:
60969
RNCC:
5
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Circuit Breakers
--------- Circuit Breakers
------------ P/N 1277184220

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Last Updated: 08/11/2025