#1278778310 Breaker Assembly | Circuit Breakers

1278778310

Circuit Breaker

NSN 5925-01-315-1896

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
013151896

Detail Specifications

Body Style:
Multipole-single actuator type
Body Length:
Between 22.115 inches and 22.260 inches
Body Width:
Between 12.053 inches and 12.073 inches
Body Height:
Between 9.928 inches and 9.948 inches
Case Material:
Plastic
Center To Center Distance Between Terminals Parallel To Length:
Between 14.428 inches and 14.448 inches
Center To Center Distance Between Terminals Parallel To Width:
Between 4.021 inches and 4.041 inches
Unthreaded Mounting Hole Diameter:
Between 0.709 inches and 0.729 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Length:
Between 19.866 inches and 19.886 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Width:
Between 4.021 inches and 4.041 inches
Fragility Factor:
Moderately rugged
Boss Height:
Between 0.740 inches and 0.760 inches
Pole Quantity:
3
Arc Quenching Method:
Magnetic blowout
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:
1600.0 amperes ac all locations
Operating Voltage Type And Rating Per Pole In Volts:
600.0 ac all locations
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps:
100000.0 ac all locations
Circuit Protection Type:
Overcurrent all locations
Trip Release Method:
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 two
Adjustable Trip Setting Current Range Per Pole In Amps:
+3200.0/+12800.0 ac all locations
Internal Trip Release Configuration:
Series trip all locations
Inclosure Protection Type For Which Designed:
General purpose
Frequency In Hertz:
60.0 all locations
Terminal Type And Quantity:
6 compression
NSN:
5925-01-315-1896
Item Name:
Breaker Assembly
Cage Code:
52414

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
12-787783-10
Cage Code:
89946
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 1278778310

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Last Updated: 08/16/2025