5925-00-493-1557

Find complete technical information, availability, and procurement data for: 5925-00-493-1557
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5925 Circuit Breakers

National Stock Number

5925-00-493-1557

Item Name Code

00136

Assigment Date

02/20/1970 (56 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."

0.906 inches maximum center to center distance between terminals parallel to length, 1.562 inches maximum body length, 0.280 inches minimum and 0.380 inches maximum bushing length, 0.625 inches maximum body width, single pole 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.

Body Style: single pole type
Bushing Length: 0.280 inches minimum and 0.380 inches maximum
Body Length: 1.562 inches maximum
Body Width: 0.625 inches maximum
Center To Center Distance Between Terminals Parallel To Length: 0.906 inches maximum
Switch Contact Arrangement: single pole, double throw
Mounting Surface To Terminal End Distance: 1.700 inches maximum
Pole Quantity: 1
Mounting Facility Type And Quantity: 1 threaded bushing
Thread Quantity Per Inch: 32
Maximum Continuous Load Current Rating Per Pole: 10.0 amperes dc single location
Operating Voltage Type And Rating Per Pole In Volts: 50.0 dc single location
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps: 500.0 dc single location
Circuit Protection Type: overcurrent single location
Trip Release Method: magnetic single location
Trip Release Characteristic: time delay single location
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent: 125.0 single location
Ultimate Trip Time Per Pole In Seconds: 3.000 minimum and 60.000 maximum single location
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 one
Auxiliary Switch Function And Quantity: 1 alarm
Internal Trip Release Configuration: series trip single location
Nominal Thread Size: 0.375 inches
Switch Location And Position Designation: internal at pole one
Trip Delay Time In Seconds Per Rated Continuous Current: 0.500 minimum at 200 pct and 9.000 maximum at 200 pct and 1.750 maximum at 400 pct single location
Inclosure Protection Type For Which Designed: fungus resistant
Switch Terminal Type: tab, solder lug
Switch Current Rating And Type In Amps: 0.5 ac and 0.5 dc
Switch Voltage Rating And Type In Volts: 120.0 ac and 50.0 dc
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: 2 wire hook

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
260-4051-240	Circuit Breaker
352250008477	Circuit Breaker
M39019-2-52	Circuit Breaker

FAQs

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

What is the FSCG of the NSN 5925-00-493-1557?

The FSCG of the NSN 5925-00-493-1557 is 5925

Does the NSN 5925-00-493-1557 have a Schedule B code assigned?

Yes, the Schedule B code is 8536200040

Does NSN 5925-00-493-1557 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 5925-00-493-1557 contain precious materials?

Precious metal content is unknown

Does NSN 5925-00-493-1557 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 5925-00-493-1557 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Fri, Feb 20, 1970