Circuit Breaker NSN 5925-00-078-1957

Description

NSN 5925-00-078-1957. M

NSN: 5925-00-078-1957

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Features and Characteristics

Body Style

Multipole-single actuator type

Bushing Length

Between 0.332 inches and 0.380 inches

Body Length

1.562 inches

Body Width

1.281 inches

Case Material

Metal

Center To Center Distance Between Terminals Parallel To Length

0.906 inches

Center To Center Distance Between Terminals Parallel To Width

Between 0.594 inches and 0.656 inches

Fragility Factor

Moderately rugged

Mounting Surface To Terminal End Distance

1.828 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 ac all locations

Operating Voltage Type And Rating Per Pole In Volts

250.0 ac all locations

Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps

300.0 ac all locations

Circuit Protection Type

Overcurrent all locations

Trip Release Method

Magnetic-hydraulic all locations

Trip Release Characteristic

Time delay all locations

Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent

125.0 all locations

Ultimate Trip Time Per Pole In Seconds

0.200 all locations and 7.000 all locations

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 each pole

Internal Trip Release Configuration

Series trip all locations

Thread Size

0.375 inches

Trip Delay Time In Seconds Per Rated Continuous Current

0.100 at 200 pct all locations and 0.600 at 200 pct all locations

Inclosure Protection Type For Which Designed

Fungus resistant and hermetically sealed and moisture resistant

Frequency In Hertz

60.0 all locations

Unpackaged Unit Weight

3.400 ounces

Precious Material And Location

Contact surfaces silver

Precious Material

Silver

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

4 wire hook

Specification Data

81349-mil-c-39019-3 government specification

FSC

5925 Circuit Breakers

NIIN

000781957

NSN

5925000781957

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

SM33-10-250VAC60HZ2

Cage Code:

74193

Status:

MSDS:

Part Number:

M39019/03-57

Cage Code:

81349

Status:

MSDS:

Part Number:

MIL-C-39019/3

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 5925-00-078-1957

What are the manufacturers of nsn 5925000781957?

Eaton Corp (74193)
Military Specifications (81349)

Does this nsn 5925000781957 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5925000781957
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 5925000781957 contain any precious metals?
Item contains silver.

Does nsn 5925000781957 contain any hazardous materials?
No information in HMIRS. Hazardous material unknown.

What is the ESD classification of nsn 5925000781957?
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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Certificate of Conformance
Quality Inspected Parts
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