The Circuit Breaker, cataloged under National Stock Number 5925-01-014-9857, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. Government technical data includes 30 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-014-9857 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Status | ACTIVE |
| Reset Method | MANUAL |
| Operating Voltage Type and Rating Per Pole in Volts | 600.0 AC AND 250.0 DC ALL LOCATIONS |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) |
| Actuator Position Designation | BETWEEN POLE ONE AND TWO |
| Frequency in Hertz | 60.0 ALL LOCATIONS |
| Center to Center Distance Between Terminals Parallel to Width | 1.719 INCHES NOMINAL IN |
| Body Style | MULTIPOLE-SINGLE ACTUATOR TYPE |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 140.0 ALL LOCATIONS |
| Adjustable Trip Setting Current Range Per Pole in Amps | +625.0 TO 1250.0 AC AND +625.0 TO 1250.0 DC ALL LOCATIONS |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 8.438 INCHES NOMINAL IN |
| Circuit Protection Type | OVERCURRENT ALL LOCATIONS |
| Body Width | 5.000 INCHES NOMINAL IN |
| Body Height | 4.062 INCHES NOMINAL IN |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Unthreaded Mounting Hole Diameter | 0.125 INCHES NOMINAL IN |
| Pole Quantity | 2 |
| Maximum Continuous Load Current Rating Per Pole | 125.0 AMPERES AC AND 125.0 AMPERES DC ALL LOCATIONS |
| Features Provided | ADJUSTABLE TRIP RELEASE |
| Trip Release Characteristic | INSTANTANEOUS AND TIME DELAY ALL LOCATIONS |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 22000.0 AC AND 10000.0 DC ALL LOCATIONS |
| Body Length | 10.125 INCHES NOMINAL IN |
| Trip Delay Time in Seconds Per Rated Continuous Current | 500.000 MAXIMUM AT 200 PCT ALL LOCATIONS |
| Manual Actuator Type and Quantity | 1 TOGGLE |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Width | 1.719 INCHES NOMINAL IN |
| Inclosure Protection Type for Which Designed | GENERAL PURPOSE |
| Material | PLASTIC CASE |
| Actuator Function | TRIP-RESET |
| Trip Release Ambient Temp Rating | 40.0 CELSIUS NOMINAL ALL LOCATIONS DEGC |
| Terminal Type and Quantity | 4 COMPRESSION |
| 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 |
|---|---|
| JA2125W | 3/9 Design control — primary reference Westinghouse Electric Corp Control Business Unit |
| JA2125W | C/1 Advisory reference — outside the item-of-supply concept Abb Power T and D Co Inc |
NSN 5925-01-014-9857 is a Circuit Breaker, classified under FSC 5925, Circuit Breakers. Status: active.
Key specifications for 5925-01-014-9857: Reset Method: MANUAL; Operating Voltage Type and Rating Per Pole in Volts: 600.0 AC AND 250.0 DC ALL LOCATIONS; Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S); Actuator Position Designation: BETWEEN POLE ONE AND TWO. 30 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.