5925-01-287-4283

Find complete technical information, availability, and procurement data for: 5925-01-287-4283
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5925 Circuit Breakers

National Stock Number

5925-01-287-4283

Item Name Code

00136

Assigment Date

10/22/1988 (37 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."

2.968 inches minimum and 3.032 inches maximum body width, multipole-multiple actuator type body style, 2.468 inches minimum and 2.532 inches maximum body length, 1.906 inches minimum and 1.970 inches maximum center to center distance between terminals parallel to length, 0.722 inches minimum and 0.782 inches maximum center to center distance between terminals parallel to width

Product Characteristics

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

Body Style: multipole-multiple actuator type
Body Length: 2.468 inches minimum and 2.532 inches maximum
Body Width: 2.968 inches minimum and 3.032 inches maximum
Center To Center Distance Between Terminals Parallel To Length: 1.906 inches minimum and 1.970 inches maximum
Center To Center Distance Between Terminals Parallel To Width: 0.722 inches minimum and 0.782 inches maximum
Distance Between Centerlines Of Mounting Facilities Parallel To Body Length: 2.030 inches minimum and 2.094 inches maximum
Switch Contact Arrangement: single pole, double throw
Distance Between Centerlines Of Mounting Facilities Parallel To Body Width: 0.722 inches minimum and 0.782 inches maximum
Boss Height: 0.140 inches minimum and 0.172 inches maximum
Mounting Surface To Terminal End Distance: 2.688 inches minimum and 2.752 inches maximum
Pole Quantity: 4
Mounting Facility Type And Quantity: 8 threaded hole
Thread Quantity Per Inch: 32
Maximum Continuous Load Current Rating Per Pole: 50.0 amperes ac first location
Maximum Continuous Load Current Rating Per Pole: 50.0 amperes ac second location
Maximum Continuous Load Current Rating Per Pole: 50.0 amperes ac third location
Operating Voltage Type And Rating Per Pole In Volts: 250.0 ac second location
Operating Voltage Type And Rating Per Pole In Volts: 250.0 ac third location
Operating Voltage Type And Rating Per Pole In Volts: 250.0 ac first location
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps: 1000.0 ac first location
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps: 1000.0 ac second location
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps: 1000.0 ac third location
Circuit Protection Type: overcurrent first location
Circuit Protection Type: overcurrent second location
Circuit Protection Type: overcurrent third location
Trip Release Method: magnetic-hydraulic second location
Trip Release Method: magnetic-hydraulic third location
Trip Release Method: magnetic-hydraulic first location
Trip Release Characteristic: time delay first location
Trip Release Characteristic: time delay second location
Trip Release Characteristic: time delay third location
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent: 125.0 first location
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent: 125.0 second location
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent: 125.0 third location
Reset Method: manual
Main Contact Tripping Mechanism Type: trip free
Manual Actuator Type And Quantity: 4 toggle
Actuator Function: trip-reset
Actuator Position Designation: at each pole
External Actuator Linkage Arrangement: one, two, three, and four linked
Auxiliary Switch Function And Quantity: 1 alarm
Internal Trip Release Configuration: series trip first location
Internal Trip Release Configuration: series trip second location
Internal Trip Release Configuration: series trip third location
Nominal Thread Size: 0.138 inches
Switch Location And Position Designation: external at pole four
Trip Delay Time In Seconds Per Rated Continuous Current: 2.000 minimum at 200 pct and 20.000 maximum at 200 pct first location
Trip Delay Time In Seconds Per Rated Continuous Current: 2.000 minimum at 200 pct and 20.000 maximum at 200 pct second location
Trip Delay Time In Seconds Per Rated Continuous Current: 2.000 minimum at 200 pct and 20.000 maximum at 200 pct third location
Inclosure Protection Type For Which Designed: fungus resistant and humidity resistant and moisture resistant and shock resistant and vibration resistant
Switch Terminal Type: threaded stud
Switch Current Rating And Type In Amps: 50.0 ac
Switch Voltage Rating And Type In Volts: 250.0 ac
Unpackaged Unit Weight: 9.500 ounces nominal
Special Features: fourth pole is switch only
Frequency In Hertz: 50.0 or 60.0 fourth location
Frequency In Hertz: 60.0 first location
Frequency In Hertz: 60.0 third location
Frequency In Hertz: 60.0 second location
Material: plastic case
Thread Series Designator: unc
Terminal Type And Quantity: 8 threaded stud

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
11426-90003	Circuit Breaker
AM4-A3A3A3A6-A-50-2	Circuit Breaker
UPL5111-22195-1	Circuit Breaker

FAQs

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

What is the FSCG of the NSN 5925-01-287-4283?

The FSCG of the NSN 5925-01-287-4283 is 5925

Does the NSN 5925-01-287-4283 have a Schedule B code assigned?

Yes, the Schedule B code is 8536200040

Does NSN 5925-01-287-4283 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 5925-01-287-4283 contain precious materials?

Item does not contain precious metal.

Does NSN 5925-01-287-4283 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 5925-01-287-4283 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Sat, Oct 22, 1988