Circuit Breaker NSN 5925-01-258-8734

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: 5925-01-258-8734

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Features and Characteristics

Thread Pitch Diameters

+0.3503/+0.3537 inches

Body Style

Multipole-single actuator type

Bushing Length

0.380 inches

Body Length

1.500 inches

Body Width

1.875 inches

Case Material

Metal

Center To Center Distance Between Terminals Parallel To Length

Between 0.844 inches and 0.906 inches

Center To Center Distance Between Terminals Parallel To Width

Between 0.594 inches and 0.656 inches

Nonturn Device Location

At 3 oclock and at 9 oclock

Nonturn Device Diameter

0.250 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

Thready Qty Per Inch (tpi)

Maximum Continuous Load Current Rating Per Pole

20.0 amperes ac all locations and 20.0 amperes dc all locations

Operating Voltage Type And Rating Per Pole In Volts

240.0 ac all locations and 50.0 dc all locations

Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps

300.0 ac all locations and 500.0 dc all locations

Circuit Protection Type

Undervoltage second location

Trip Release Method

Magnetic-hydraulic all locations

Auxiliary Trip Coil Voltage Type And Rating In Volts

18.0 dc second location

Trip Release Characteristic

Time delay first location

Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent

115.0 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/relay trip second location

Thread Size

0.375 inches

Trip Delay Time In Seconds Per Rated Continuous Current

0.080 at 200 pct all locations and 0.600 at 200 pct all locations

Inclosure Protection Type For Which Designed

Hermetically sealed and shock resistant and vibration resistant

Special Features

Relay trip coil at pole 2 rated 250 milliampere

Frequency In Hertz

400.0 all locations

Thread Series Designator

Unef

Terminal Type And Quantity

6 wire hook

FSC

5925 Circuit Breakers

NIIN

012588734

NSN

5925012588734

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

32338

Cage Code:

09004

Status:

MSDS:

Part Number:

AP040-9839-1

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 5925-01-258-8734

What are the manufacturers of nsn 5925012588734?

Transistor Devices, Inc. (09004)
Sensata Technologies Maryland, Inc (81541)

Does this nsn 5925012588734 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5925012588734
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 5925012588734 contain any precious metals?
No precious metal content.

Does nsn 5925012588734 contain any hazardous materials?
No information in HMIRS. Hazardous material unknown.

What is the ESD classification of nsn 5925012588734?
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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