Circuit Breaker NSN 5925-01-440-5445

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: 5925-01-440-5445

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Features and Characteristics

Body Style

Multipole-multiple actuator type

Body Length

5.800 inches

Body Width

3.108 inches

Case Material

Plastic

Center To Center Distance Between Terminals Parallel To Length

4.844 inches

Center To Center Distance Between Terminals Parallel To Width

1.026 inches

Distance Between Centerlines Of Mounting Facilities Parallel To Body Length

2.750 inches

Distance Between Centerlines Of Mounting Facilities Parallel To Body Width

1.026 inches

Boss Height

0.220 inches

Mounting Surface To Terminal End Distance

2.610 inches

Pole Quantity

Mounting Facility Type And Quantity

6 threaded hole

Maximum Continuous Load Current Rating Per Pole

40.0 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

1000.0 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

3 toggle

Actuator Function

Trip-reset

Actuator Position Designation

At each pole

External Actuator Linkage Arrangement

One, two, and three linked

Internal Trip Release Configuration

Series trip all locations

Thread Size

0.138 inches

Trip Delay Time In Seconds Per Rated Continuous Current

20.000 at 200 pct all locations and 200.000 at 200 pct all locations

Frequency In Hertz

400.0 all locations

Test Data Document

81349-mil-55629 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

Unc

Terminal Type And Quantity

6 compression

Specification Data

81349-mil-55629/18 government specification

FSC

5925 Circuit Breakers

NIIN

014405445

NSN

5925014405445

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

M55629/18KNKNKN

Cage Code:

81349

Status:

MSDS:

Part Number:

MIL-C-55629/18

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 5925-01-440-5445

What are the manufacturers of nsn 5925014405445?

Military Specifications (81349)

Does this nsn 5925014405445 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5925014405445
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 5925014405445 contain any precious metals?
No precious metal content.

Does nsn 5925014405445 contain any hazardous materials?
No information in HMIRS. Hazardous material unknown.

What is the ESD classification of nsn 5925014405445?
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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