533257-112

View detailed technical data, stock status, and sourcing information for: 533257-112
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5925 Circuit Breakers

National Stock Number

5925-01-033-0457

Item Name Code

00136

Assigment Date

12/27/1976 (49 years ago)

"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."

1.562 inches maximum body length, 1.937 inches maximum body width, 0.332 inches minimum and 0.380 inches maximum bushing length, +0.3503 to 0.3537 inches thread pitch diameters, multipole-single actuator type body style

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Pitch Diameters: +0.3503 to 0.3537 inches
Body Style: multipole-single actuator type
Bushing Length: 0.332 inches minimum and 0.380 inches maximum
Body Length: 1.562 inches maximum
Body Width: 1.937 inches maximum
Center To Center Distance Between Terminals Parallel To Length: 0.906 inches maximum
Center To Center Distance Between Terminals Parallel To Width: 0.594 inches minimum and 0.656 inches maximum
Fragility Factor: moderately rugged
Mounting Surface To Terminal End Distance: 1.828 inches maximum
Pole Quantity: 3
Mounting Facility Type And Quantity: 1 threaded bushing w/panel seal
Storage Type: general purpose warehouse
Special Handling Feature: magnetic
Thread Quantity Per Inch: 32
Maximum Continuous Load Current Rating Per Pole: 3.0 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: 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: 130.0 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 trip all locations
Nominal Thread Size: 0.375 inches
Trip Delay Time In Seconds Per Rated Continuous Current: 1.000 minimum at 200 pct and 5.000 maximum at 200 pct all locations
Inclosure Protection Type For Which Designed: fungus resistant and hermetically sealed and moisture resistant and salt spray proof
Unpackaged Unit Weight: 150.0 grams nominal
Frequency In Hertz: 400.0 all locations
Precious Material And Location: contact surfaces 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", "nominal", etc.)."
Thread Series Designator: unef
Terminal Type And Quantity: 6 wire hook
Specification/Standard Data: 81349-mil-c-39019/5 government specification

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5925-00-051-0724	No Name Available	04/01/1984
5925-00-115-3349	No Name Available	06/01/1992
5925-00-151-4532	No Name Available	05/01/1995
5925-00-229-7682	No Name Available	07/01/1992
5925-00-329-2071	No Name Available	08/01/2007
5925-00-476-7997	No Name Available	08/20/2015
5925-00-700-5865	No Name Available	11/01/1991
5925-00-904-2964	No Name Available	07/06/1998
5925-01-105-2653	No Name Available	06/01/1992

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
10526146	Circuit Breaker
533257-112	Circuit Breaker
620B302	Circuit Breaker
AP111-277-1	Circuit Breaker
AP112-1-42-302	Circuit Breaker
AP112-485-112	Circuit Breaker
G330011S10	Circuit Breaker
M39019-5-36	Circuit Breaker
M39019/05-225	Circuit Breaker
ST1K023-1	Circuit Breaker

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5925-01-033-0457?

The FSCG of the NSN 5925-01-033-0457 is 5925

Does the NSN 5925-01-033-0457 have a Schedule B code assigned?

Yes, the Schedule B code is 8536200040

Does NSN 5925-01-033-0457 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5925-01-033-0457 contain precious materials?

Item contains silver.

Does NSN 5925-01-033-0457 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 5925-01-033-0457 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Mon, Dec 27, 1976