The Circuit Breaker, cataloged under National Stock Number 5925-01-566-7983, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. Government technical data includes 26 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-566-7983 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Status | ACTIVE |
| Reset Method | MANUAL |
| Operating Voltage Type and Rating Per Pole in Volts | 240.0 AC ALL LOCATIONS |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) |
| Frequency in Hertz | 50.0 OR 60.0 ALL LOCATIONS |
| Center to Center Distance Between Terminals Parallel to Width | 0.750 INCHES NOMINAL IN |
| Body Style | MULTIPOLE-SINGLE ACTUATOR TYPE |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 125.0 ALL LOCATIONS |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 0.750 INCHES NOMINAL IN |
| Circuit Protection Type | OVERVOLTAGE ALL LOCATIONS |
| Body Width | 1.515 INCHES MAXIMUM IN |
| Unthreaded Mounting Hole Diameter | 0.156 INCHES NOMINAL IN |
| Pole Quantity | 2 |
| Mounting Surface to Terminal End Distance | 0.655 INCHES NOMINAL IN |
| Maximum Continuous Load Current Rating Per Pole | 50.0 AMPERES AC ALL LOCATIONS |
| Trip Release Characteristic | TIME DELAY ALL LOCATIONS |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 2000.0 AC ALL LOCATIONS |
| Body Length | 2.490 INCHES NOMINAL IN |
| Trip Delay Time in Seconds Per Rated Continuous Current | 10.000 MINIMUM AT 125 PCT AND 120.000 MAXIMUM AT 125 PCT ALL LOCATIONS |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Width | 0.750 INCHES NOMINAL IN |
| Test Data Document | 81541-852-503-55 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.). |
| Material | PLASTIC CASE |
| Terminal Type and Quantity | 4 THREADED STUD |
| Main Contact Tripping Mechanism Type | NONTRIP FREE |
| Boss Height | 1.940 INCHES NOMINAL IN |
| Trip Release Method | SOLID STATE ALL LOCATIONS |
| Center to Center Distance Between Terminals Parallel to Length | 2.060 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| IELHK11-1-62-50.0-F-01-V | 3/2 Design control — primary reference U.S. Government activity |
NSN 5925-01-566-7983 is a Circuit Breaker, classified under FSC 5925, Circuit Breakers. Status: active.
Key specifications for 5925-01-566-7983: Reset Method: MANUAL; Operating Voltage Type and Rating Per Pole in Volts: 240.0 AC ALL LOCATIONS; Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S); Frequency in Hertz: 50.0 OR 60.0 ALL LOCATIONS. 26 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.