The Circuit Breaker, cataloged under National Stock Number 5925-01-287-4283, 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30 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-287-4283 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Status | ACTIVE |
| Reset Method | MANUAL |
| Internal Trip Release Configuration | SERIES TRIP SECOND LOCATION |
| Internal Trip Release Configuration | SERIES TRIP FIRST LOCATION |
| Internal Trip Release Configuration | SERIES TRIP 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 FIRST LOCATION |
| Operating Voltage Type and Rating Per Pole in Volts | 250.0 AC THIRD LOCATION |
| Mounting Facility Type and Quantity | 8 THREADED HOLE(S) |
| Actuator Position Designation | AT EACH POLE |
| Switch Terminal Type | THREADED STUD |
| Frequency in Hertz | 60.0 THIRD LOCATION |
| Frequency in Hertz | 60.0 FIRST LOCATION |
| Frequency in Hertz | 60.0 SECOND LOCATION |
| Frequency in Hertz | 50.0 OR 60.0 FOURTH LOCATION |
| Unpackaged Unit Weight | 9.500 OUNCES NOMINAL OZ |
| Center to Center Distance Between Terminals Parallel to Width | 0.722 INCHES MINIMUM AND 0.782 INCHES MAXIMUM IN |
| Body Style | MULTIPOLE-MULTIPLE ACTUATOR TYPE |
| Switch Voltage Rating and Type in Volts | 250.0 AC |
| 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 |
| External Actuator Linkage Arrangement | ONE, TWO, THREE, AND FOUR LINKED |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 2.030 INCHES MINIMUM AND 2.094 INCHES MAXIMUM IN |
| Switch Location and Position Designation | EXTERNAL AT POLE FOUR |
| Circuit Protection Type | OVERCURRENT FIRST LOCATION |
| Circuit Protection Type | OVERCURRENT THIRD LOCATION |
| Circuit Protection Type | OVERCURRENT SECOND LOCATION |
| Body Width | 2.968 INCHES MINIMUM AND 3.032 INCHES MAXIMUM IN |
| Pole Quantity | 4 |
| Mounting Surface to Terminal End Distance | 2.688 INCHES MINIMUM AND 2.752 INCHES MAXIMUM 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 |
|---|---|
| AM4-A3A3A3A6-A-50-2 | 5/9 Secondary reference Eaton Corp Heinemann Products Commercial Controls Div |
| 11426-90003 | 3/2 Design control — primary reference U.S. Government activity |
| UPL5111-22195-1 | 5/2 Secondary reference U.S. Government activity |
NSN 5925-01-287-4283 is a Circuit Breaker, classified under FSC 5925, Circuit Breakers. Status: active.
Key specifications for 5925-01-287-4283: Reset Method: MANUAL; Internal Trip Release Configuration: SERIES TRIP SECOND LOCATION; Internal Trip Release Configuration: SERIES TRIP FIRST LOCATION; Internal Trip Release Configuration: SERIES TRIP THIRD LOCATION. 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.