#M3901901-249 Magnetic Circuit Protector | Circuit Breakers

M3901901-249

Circuit Breaker

NSN 5925-01-037-6887

DEMIL

Shelf Life

UOM

NIIN

Demil:

NO

Shelf Life:

N/A

UOM:

1 EA

NIIN:

010376887

Product Technical Spec.

Thread Pitch Diameters:

+0.3503/+0.3537 inches

Body Style:

Single pole type

Bushing Length:

Between 0.332 inches and 0.380 inches

Body Length:

1.562 inches

Body Width:

0.625 inches

Case Material:

Metal

Center To Center Distance Between Terminals Parallel To Length:

0.906 inches

Fragility Factor:

Moderately rugged

Mounting Surface To Terminal End Distance:

1.700 inches

Pole Quantity:

1

Arc Quenching Method:

Magnetic blowout

Mounting Facility Type And Quantity:

1 threaded bushing w/panel seal

Storage Type:

General purpose warehouse

Special Handling Feature:

Magnetic

Thready Qty Per Inch (tpi):

32

Maximum Continuous Load Current Rating Per Pole:

10.0 amperes ac single location and 10.0 amperes dc single location

Operating Voltage Type And Rating Per Pole In Volts:

240.0 ac single location and 50.0 dc single location

Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps:

1000.0 ac single location and 1000.0 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:

0.375 inches

Trip Delay Time In Seconds Per Rated Continuous Current:

0.500 at 200 pct single location and 9.000 at 200 pct single location

Inclosure Protection Type For Which Designed:

Hermetically sealed and moisture resistant and fungus resistant and salt spray proof

Frequency In Hertz:

400.0 single location

Test Data Document:

81349-mil-c-39019 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:

Unef

Terminal Type And Quantity:

2 wire hook

Specification Data:

81349-mil-c-39019/1 government specification

NSN:

5925-01-037-6887

Item Name:

Magnetic Circuit Protector

Cage Code:

81349

Cross Referenced Parts

Part Number

Cage

RNCC

RNVC

RNAAC

Status

MSDS

SADC

Part Number:

Cage Code:

RNCC:

C

RNVC:

1

RNAAC:

TX

Status:

A

MSDS:

SADC:

AF

Part Number:

Cage Code:

RNCC:

C

RNVC:

1

RNAAC:

TX

Status:

A

MSDS:

SADC:

AF

Part Number:

SM3-10-120VAC60-57

Cage Code:

RNCC:

C

RNVC:

1

RNAAC:

TX

Status:

A

MSDS:

SADC:

AF

Part Number:

SM3-10AMP60CPS120VACTDC57

Cage Code:

RNCC:

C

RNVC:

1

RNAAC:

TX

Status:

A

MSDS:

SADC:

AF

Part Number:

Cage Code:

RNCC:

4

RNVC:

1

RNAAC:

TX

Status:

A

MSDS:

SADC:

Part Number:

Cage Code:

RNCC:

C

RNVC:

1

RNAAC:

TX

Status:

A

MSDS:

SADC:

AF

Part Number:

Cage Code:

RNCC:

C

RNVC:

1

RNAAC:

TX

Status:

A

MSDS:

SADC:

AF

Part Number:

Cage Code:

RNCC:

C

RNVC:

1

RNAAC:

TX

Status:

A

MSDS:

SADC:

AF

Part Number:

Cage Code:

RNCC:

C

RNVC:

1

RNAAC:

TX

Status:

A

MSDS:

SADC:

AF

Part Number:

Cage Code:

RNCC:

C

RNVC:

1

RNAAC:

TX

Status:

A

MSDS:

SADC:

AF

Part Number:

Cage Code:

RNCC:

C

RNVC:

1

RNAAC:

TX

Status:

A

MSDS:

SADC:

AF

Part Number:

Cage Code:

RNCC:

C

RNVC:

1

RNAAC:

TX

Status:

A

MSDS:

SADC:

AF

Part Number:

Cage Code:

RNCC:

C

RNVC:

1

RNAAC:

TX

Status:

A

MSDS:

SADC:

AF

Part Number:

Cage Code:

RNCC:

C

RNVC:

1

RNAAC:

TX

Status:

A

MSDS:

SADC:

AF

Part Number:

Cage Code:

RNCC:

E

RNVC:

8

RNAAC:

TX

Status:

A

MSDS:

SADC:

Part Number:

Cage Code:

RNCC:

E

RNVC:

8

RNAAC:

TX

Status:

A

MSDS:

SADC:

Part Number:

Cage Code:

RNCC:

E

RNVC:

8

RNAAC:

TX

Status:

A

MSDS:

SADC:

Part Number:

Cage Code:

RNCC:

E

RNVC:

8

RNAAC:

TX

Status:

A

MSDS:

SADC:

Part Number:

Cage Code:

RNCC:

E

RNVC:

8

RNAAC:

TX

Status:

A

MSDS:

SADC:

Part Number:

Cage Code:

RNCC:

E

RNVC:

8

RNAAC:

TX

Status:

A

MSDS:

SADC:

Part Number:

11553802-2

Cage Code:

RNCC:

E

RNVC:

8

RNAAC:

TX

Status:

A

MSDS:

SADC:

Part Number:

Cage Code:

RNCC:

E

RNVC:

8

RNAAC:

TX

Status:

A

MSDS:

SADC:

Part Number:

Cage Code:

RNCC:

E

RNVC:

8

RNAAC:

TX

Status:

A

MSDS:

SADC:

Part Number:

11553802-2

Cage Code:

RNCC:

E

RNVC:

8

RNAAC:

BD

Status:

A

MSDS:

SADC:

Part Number:

Cage Code:

RNCC:

E

RNVC:

8

RNAAC:

TX

Status:

A

MSDS:

SADC:

Part Number:

Cage Code:

RNCC:

5

RNVC:

9

RNAAC:

TX

Status:

A

MSDS:

SADC:

Part Number:

MIL-C-39019/1B60

Cage Code:

RNCC:

5

RNVC:

9

RNAAC:

TX

Status:

A

MSDS:

SADC:

Part Number:

Cage Code:

RNCC:

5

RNVC:

9

RNAAC:

TX

Status:

A

MSDS:

SADC:

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Circuit Breakers
--------- Circuit Breakers
------------ P/N M3901901-249

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Last Updated: 08/17/2025