#MIL-C-556291 Circuit Breaker | Circuit Breakers

MIL-C-556291

Circuit Breaker

NSN 5925-01-354-9726

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
EA
NIIN:
013549726

Detail Specifications

Body Style:
Single pole type
Body Length:
2.510 inches
Body Width:
0.750 inches
Case Material:
Plastic
Center To Center Distance Between Terminals Parallel To Length:
1.810 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Length:
2.062 inches
Boss Height:
0.140 inches
Mounting Surface To Terminal End Distance:
2.553 inches
Pole Quantity:
1
Mounting Facility Type And Quantity:
2 threaded hole
Maximum Continuous Load Current Rating Per Pole:
35.0 amperes dc single location
Operating Voltage Type And Rating Per Pole In Volts:
50.0 dc single location
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps:
2000.0 dc single location
Circuit Protection Type:
Overcurrent single location
Trip Release Method:
Magnetic single location
Trip Release Characteristic:
Time delay single location
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent:
115.0 single location
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
Internal Trip Release Configuration:
Series trip single location
Thread Size:
0.138 inches
Trip Delay Time In Seconds Per Rated Continuous Current:
2.500 at 200 pct single location and 20.000 at 200 pct single location
Thread Series Designator:
Unc
Terminal Type And Quantity:
2 threaded stud
NSN:
5925-01-354-9726
Item Name:
Breaker,circuit
Cage Code:
81349

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
M55629/1-407
Cage Code:
81349
RNCC:
2
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
MIL-PRF-55629/1D
Cage Code:
81349
RNCC:
4
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Circuit Breakers
--------- Overload Switches
------------ P/N MIL-C-556291

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Last Updated: 05/22/2025