Circuit Breaker NSN 5925-01-249-2717

Item Description

A device with means other than fuses for automatically opening the circuit in which it is installed when the current varies from the predetermined value for which the device is set. May include provisions for manual operation. At least one set of contacts must be in series with the actuating element(s). A combination of semiconductor and passive devices may be used in lieu of contacts. For automatically operated items in which the actuating (tripping) element and contacts are not in series, see relay (as modified). For items which are operated both manually and automatically but the actuating elements and contact are not in series, see relay-switch. Excludes circuit breaker box and magneto "breaker" assemblies. See also switch (as modified); and controller.

NSN: 5925-01-249-2717

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Features and Characteristics

Body Style

Single pole type

Bushing Length

Between 0.464 inches and 0.526 inches

Body Length

Between 1.969 inches and 2.031 inches

Body Width

Between 0.735 inches and 0.765 inches

Case Material

Plastic

Center To Center Distance Between Terminals Parallel To Length

Between 1.499 inches and 1.561 inches

Nonturn Device Location

At 12 oclock

Nonturn Device Radius

Between 0.641 inches and 0.671 inches

Nonturn Device Length

Between 0.115 inches and 0.145 inches

Nonturn Device Diameter

0.138 inches

Switch Contact Arrangement

Single pole, double throw

Fragility Factor

Moderately rugged

Mounting Surface To Terminal End Distance

2.232 inches

Pole Quantity

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)

Maximum Continuous Load Current Rating Per Pole

10.0 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

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

Auxiliary Switch Function And Quantity

1 alarm

Internal Trip Release Configuration

Series trip single location

Thread Size

0.500 inches

Switch Location And Position Designation

Internal at pole one

Trip Delay Time In Seconds Per Rated Continuous Current

2.500 at 200 pct single location and 20.000 at 200 pct single location

Inclosure Protection Type For Which Designed

Fungus resistant

Switch Terminal Type

Tab, solder lug

Switch Current Rating And Type In Amps

10.0 ac and 2.0 dc

Switch Voltage Rating And Type In Volts

250.0 ac and 50.0 dc

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

Terminal Type And Quantity

2 tab w/screw

Specification Data

81349-mil-c-55629/20 government specification

FSC

5925 Circuit Breakers

NIIN

012492717

NSN

5925012492717

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

M55629/20NK

Cage Code:

81349

Status:

MSDS:

Part Number:

MIL-C-55629/20

Cage Code:

81349

Status:

MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov

Schedule B Number: 8536200040
NAICS: 335313
SITC: 77252
Description: Automatic circuit breakers, for a voltage not exceeding 1,000 v, nesoi
End Use (Code 20005):
Electric apparatus

Q & A

Frequently asked questions for NSN 5925-01-249-2717

What are the manufacturers of nsn 5925012492717?

Military Specifications (81349)

Does this nsn 5925012492717 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5925012492717
A device with means other than fuses for automatically opening the circuit in which it is installed when the current varies from the predetermined value for which the device is set. may include provisions for manual operation. at least one set of contacts must be in series with the actuating element(s). a combination of semiconductor and passive devices may be used in lieu of contacts. for automatically operated items in which the actuating (tripping) element and contacts are not in series, see relay (as modified). for items which are operated both manually and automatically but the actuating elements and contact are not in series, see relay-switch. excludes circuit breaker box and magneto "breaker" assemblies. see also switch (as modified); and controller.

Does nsn 5925012492717 contain any precious metals?
No precious metal content.

Does nsn 5925012492717 contain any hazardous materials?
No information in HMIRS. Hazardous material unknown.

What is the ESD classification of nsn 5925012492717?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

00136

FIIG:

A030A0

App. Key:

Cond. Code:

Status:

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