Circuit Breaker NSN 5925-01-302-0778

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: 5925-01-302-0778

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Features and Characteristics

Body Style

Multipole-multiple actuator type

Body Length

Between 5.110 inches and 5.140 inches

Body Width

2.072 inches

Case Material

Plastic

Center To Center Distance Between Terminals Parallel To Length

Between 3.535 inches and 3.565 inches

Center To Center Distance Between Terminals Parallel To Width

Between 1.011 inches and 1.041 inches

Distance Between Centerlines Of Mounting Facilities Parallel To Body Length

Between 2.735 inches and 2.765 inches

Distance Between Centerlines Of Mounting Facilities Parallel To Body Width

Between 1.011 inches and 1.041 inches

Fragility Factor

Moderately rugged

Boss Height

Between 0.205 inches and 0.235 inches

Mounting Surface To Terminal End Distance

Between 3.535 inches and 3.565 inches

Pole Quantity

Arc Quenching Method

Magnetic blowout

Mounting Facility Type And Quantity

4 threaded hole

Storage Type

General purpose warehouse

Thready Qty Per Inch (tpi)

Maximum Continuous Load Current Rating Per Pole

20.0 amperes ac all locations

Operating Voltage Type And Rating Per Pole In Volts

240.0 ac all locations

Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps

5000.0 ac all locations

Circuit Protection Type

Overcurrent all locations

Trip Release Method

Magnetic all locations

Trip Release Characteristic

Time delay all locations

Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent

150.0 all locations

Reset Method

Manual

Main Contact Tripping Mechanism Type

Trip free

Manual Actuator Type And Quantity

2 toggle

Actuator Function

Trip-reset

Actuator Position Designation

At each pole

External Actuator Linkage Arrangement

One and two linked

Internal Trip Release Configuration

Series trip all locations

Thread Size

0.138 inches

Trip Delay Time In Seconds Per Rated Continuous Current

2.000 at 200 pct all locations and 20.000 at 200 pct all locations

Inclosure Protection Type For Which Designed

Dustproof

Frequency In Hertz

400.0 all locations

Unpackaged Unit Weight

1.188 pounds

Thread Series Designator

Unc

Terminal Type And Quantity

4 screw

FSC

5925 Circuit Breakers

NIIN

013020778

NSN

5925013020778

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

TK733-4120 ITEM 1-8

Cage Code:

96169

Status:

MSDS:

Part Number:

209-2-1-42-4-4-20-H

Cage Code:

81541

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 5925-01-302-0778

What are the manufacturers of nsn 5925013020778?

Electric Boat Corporation (96169)
Sensata Technologies Maryland, Inc (81541)

Does this nsn 5925013020778 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5925013020778
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 5925013020778 contain any precious metals?
No precious metal content.

Does nsn 5925013020778 contain any hazardous materials?
No information in HMIRS. Hazardous material unknown.

What is the ESD classification of nsn 5925013020778?
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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