Circuit Breaker NSN 5925-01-157-9949

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: 5925-01-157-9949

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Features and Characteristics

Thread Pitch Diameters

+0.1177/+0.1214 inches

Body Style

Single pole type

Body Length

2.000 inches

Body Width

0.750 inches

Case Material

Plastic

Center To Center Distance Between Terminals Parallel To Length

1.530 inches

Distance Between Centerlines Of Mounting Facilities Parallel To Body Length

1.660 inches

Fragility Factor

Moderately rugged

Boss Height

0.130 inches

Mounting Surface To Terminal End Distance

2.032 inches

Pole Quantity

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)

Maximum Continuous Load Current Rating Per Pole

20.0 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

1000.0 dc single location

Circuit Protection Type

Overcurrent single location

Trip Release Method

Magnetic-hydraulic single location

Trip Release Characteristic

Instantaneous single location

Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent

150.0 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

Shunt trip single location

Thread Size

0.138 inches

Inclosure Protection Type For Which Designed

Hermetically sealed and shock resistant and vibration resistant

Unpackaged Unit Weight

2.200 ounces

Thread Series Designator

Unc

Terminal Type And Quantity

3 tab w/screw

FSC

5925 Circuit Breakers

NIIN

011579949

NSN

5925011579949

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

77C718000P1

Cage Code:

03538

Status:

MSDS:

Part Number:

APG-7-7332-1

Cage Code:

81541

Status:

MSDS:

Part Number:

77C718000P001

Cage Code:

03538

Status:

MSDS:

Part Number:

UPG7-7332-1

Cage Code:

81541

Status:

MSDS:

Part Number:

IAG7402971

Cage Code:

82647

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 5925-01-157-9949

What are the manufacturers of nsn 5925011579949?

Lockheed Martin Corporation (03538)
Sensata Technologies Maryland, Inc (81541)
Sensata Technologies, Inc (82647)

Does this nsn 5925011579949 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5925011579949
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 5925011579949 contain any precious metals?
No precious metal content.

Does nsn 5925011579949 contain any hazardous materials?
No information in HMIRS. Hazardous material unknown.

What is the ESD classification of nsn 5925011579949?
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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