Circuit Breaker NSN 5925-00-875-0221

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: 5925-00-875-0221

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Features and Characteristics

Body Style

Multipole-single actuator type

Bushing Length

0.375 inches

Body Length

1.500 inches

Body Width

1.875 inches

Case Material

Metal

Center To Center Distance Between Terminals Parallel To Length

0.875 inches

Center To Center Distance Between Terminals Parallel To Width

0.625 inches

Fragility Factor

Moderately rugged

Mounting Surface To Terminal End Distance

1.780 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

3.5 amperes ac all locations

Operating Voltage Type And Rating Per Pole In Volts

230.0 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

8.000 all locations and 15.500 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 pole two

Internal Trip Release Configuration

Series trip all locations

Thread Size

0.375 inches

Trip Delay Time In Seconds Per Rated Continuous Current

1.000 at 200 pct all locations and 13.000 at 200 pct all locations

Inclosure Protection Type For Which Designed

Fungus resistant and explosion resistant and hermetically sealed

Frequency In Hertz

400.0 all locations

Test Data Document

97942-788c689h25 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)

Thread Series Designator

Unef

Terminal Type And Quantity

6 wire hook

FSC

5925 Circuit Breakers

NIIN

008750221

NSN

5925008750221

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

788C689H25

Cage Code:

97942

Status:

MSDS:

Part Number:

79-146-25

Cage Code:

74193

Status:

MSDS:

Part Number:

SM333-3-5-230VAC400C1

Cage Code:

74193

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 5925-00-875-0221

What are the manufacturers of nsn 5925008750221?

Northrop Grumman Systems Corporation (97942)
Eaton Corp (74193)

Does this nsn 5925008750221 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5925008750221
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 5925008750221 contain any precious metals?
No precious metal content.

Does nsn 5925008750221 contain any hazardous materials?
No information in HMIRS. Hazardous material unknown.

What is the ESD classification of nsn 5925008750221?
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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