The Circuit Breaker, cataloged under National Stock Number 5925-01-146-9640, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. Government technical data includes 29 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5925-01-146-9640 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Status | ACTIVE |
| Reset Method | MANUAL |
| Internal Trip Release Configuration | SERIES TRIP ALL LOCATIONS |
| Operating Voltage Type and Rating Per Pole in Volts | 50.0 DC ALL LOCATIONS |
| Mounting Facility Type and Quantity | 4 CLIP |
| Actuator Position Designation | BETWEEN POLE ONE AND TWO |
| Ultimate Trip Time Per Pole in Seconds | 0.200 MINIMUM AND 7.000 MAXIMUM ALL LOCATIONS |
| Switch Terminal Type | TURRET |
| Center to Center Distance Between Terminals Parallel to Width | 0.625 INCHES NOMINAL IN |
| Body Style | MULTIPOLE-SINGLE ACTUATOR TYPE |
| Switch Voltage Rating and Type in Volts | 28.0 DC |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 125.0 ALL LOCATIONS |
| External Actuator Linkage Arrangement | ONE AND TWO LINKED |
| Switch Location and Position Designation | INTERNAL AT POLE ONE |
| Circuit Protection Type | OVERCURRENT ALL LOCATIONS |
| Body Width | 1.540 INCHES NOMINAL IN |
| Body Height | 1.770 INCHES MAXIMUM IN |
| Pole Quantity | 1 |
| Maximum Continuous Load Current Rating Per Pole | 5.0 AMPERES DC ALL LOCATIONS |
| Trip Release Characteristic | TIME DELAY ALL LOCATIONS |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 1000.0 DC ALL LOCATIONS |
| Body Length | 2.000 INCHES NOMINAL IN |
| Trip Delay Time in Seconds Per Rated Continuous Current | 0.050 MINIMUM AT 200 PCT AND 0.950 MAXIMUM AT 200 PCT AND 0.020 MINIMUM AT 400 PCT AND 0.240 MAXIMUM AT 400 PCT AND 0.002 MINIMUM AT 800 PCT AND 0.060 MAXIMUM AT 800 PCT ALL LOCATIONS |
| Manual Actuator Type and Quantity | 1 TOGGLE |
| Switch Current Rating and Type in Amps | 5.0 DC |
| Switch Contact Arrangement | SINGLE POLE, DOUBLE THROW |
| Material | PLASTIC CASE |
| Actuator Function | TRIP-RESET |
| Terminal Type and Quantity | 4 TAB, SOLDER LUG |
| Main Contact Tripping Mechanism Type | TRIP FREE |
| 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 |
|---|---|
| 203-22-2-51-502-6-3-8 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5925-01-146-9640 is a Circuit Breaker, classified under FSC 5925, Circuit Breakers. Status: active.
Key specifications for 5925-01-146-9640: Reset Method: MANUAL; Internal Trip Release Configuration: SERIES TRIP ALL LOCATIONS; Operating Voltage Type and Rating Per Pole in Volts: 50.0 DC ALL LOCATIONS; Mounting Facility Type and Quantity: 4 CLIP. 29 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.