#M556291-044 Overload Switch | Circuit Breakers

M556291-044

Circuit Breaker

NSN 5925-00-200-9476

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
002009476

Detail Specifications

Thread Pitch Diameters:
+0.1177/+0.1214 inches
Body Style:
Single pole type
Body Length:
2.500 inches
Body Width:
0.750 inches
Case Material:
Plastic
Center To Center Distance Between Terminals Parallel To Length:
1.938 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Length:
2.062 inches
Fragility Factor:
Moderately rugged
Boss Height:
0.140 inches
Mounting Surface To Terminal End Distance:
2.611 inches
Pole Quantity:
1
Arc Quenching Method:
Magnetic blowout
Mounting Facility Type And Quantity:
2 threaded hole
Storage Type:
General purpose warehouse
Special Handling Feature:
Magnetic
Thready Qty Per Inch (tpi):
32
Maximum Continuous Load Current Rating Per Pole:
5.0 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-hydraulic single location
Trip Release Characteristic:
Time delay single location
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent:
125.0 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:
0.135 at 200 pct single location and 1.550 at 200 pct single location
Inclosure Protection Type For Which Designed:
Dustproof and fungus proof
Test Data Document:
81349-mil-c-55629 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Thread Series Designator:
Unc
Terminal Type And Quantity:
2 threaded stud
Specification Data:
81349-mil-c-55629/1 government specification
NSN:
5925-00-200-9476
Item Name:
Overload Switch
Cage Code:
81349

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
260-4008-340
Cage Code:
13499
RNCC:
C
RNVC:
1
RNAAC:
TX
Status:
A
MSDS:
SADC:
AF
Part Number:
7900051-038
Cage Code:
99974
RNCC:
C
RNVC:
1
RNAAC:
TX
Status:
A
MSDS:
SADC:
AF
Part Number:
AM12-5-12
Cage Code:
74193
RNCC:
C
RNVC:
1
RNAAC:
TX
Status:
A
MSDS:
SADC:
AF
Part Number:
AM12MG6-5-30VDC5
Cage Code:
74193
RNCC:
C
RNVC:
1
RNAAC:
TX
Status:
A
MSDS:
SADC:
AF
Part Number:
AM12MG3-5-28-5
Cage Code:
74193
RNCC:
C
RNVC:
1
RNAAC:
TX
Status:
A
MSDS:
SADC:
AF
Part Number:
AM12MG5-30DC5
Cage Code:
74193
RNCC:
C
RNVC:
1
RNAAC:
TX
Status:
A
MSDS:
SADC:
AF
Part Number:
AM1-B3-A-5-3
Cage Code:
74193
RNCC:
C
RNVC:
1
RNAAC:
TX
Status:
A
MSDS:
SADC:
AW
Part Number:
AM12MG3-5A
Cage Code:
74193
RNCC:
C
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
AC
Part Number:
AM1-Z21-044
Cage Code:
74193
RNCC:
C
RNVC:
1
RNAAC:
TX
Status:
A
MSDS:
SADC:
AF
Part Number:
MIL-C-55629/1
Cage Code:
81349
RNCC:
4
RNVC:
1
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
260-4008-340
Cage Code:
95105
RNCC:
C
RNVC:
1
RNAAC:
TX
Status:
A
MSDS:
SADC:
AF
Part Number:
7900051-038
Cage Code:
24617
RNCC:
C
RNVC:
1
RNAAC:
TX
Status:
A
MSDS:
SADC:
AF
Part Number:
APL1-55629-1-044
Cage Code:
81541
RNCC:
C
RNVC:
1
RNAAC:
TX
Status:
A
MSDS:
SADC:
AF

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--- Electrical And Electronic Equipment Components
------ Circuit Breakers
--------- Circuit Breakers
------------ P/N M556291-044

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Last Updated: 08/10/2025