The Circuit Breaker, cataloged under National Stock Number 5925-01-543-9641, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Eaton Corp Aerospace Commercial Controls Div. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-543-9641 |
| Primary Part Number | AM3R-A8-LC-07-D-L-15-4 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Eaton Corp Aerospace Commercial Controls Div |
| Status | ACTIVE |
| Reset Method | MANUAL |
| Operating Voltage Type and Rating Per Pole in Volts | 277.0 AC ALL LOCATIONS |
| Body Style | MULTIPOLE-MULTIPLE ACTUATOR TYPE |
| Circuit Protection Type | OVERCURRENT ALL LOCATIONS |
| Body Width | 1.448 INCHES NOMINAL IN |
| Pole Quantity | 3 |
| Maximum Continuous Load Current Rating Per Pole | 15.0 AMPERES AC ALL LOCATIONS |
| Trip Release Characteristic | TIME DELAY ALL LOCATIONS |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 5.0 AC ALL LOCATIONS |
| Body Length | 2.280 INCHES NOMINAL IN |
| Manual Actuator Type and Quantity | 3 TOGGLE |
| Terminal Type and Quantity | 6 THREADED STUD |
| Main Contact Tripping Mechanism Type | TRIP FREE |
| Trip Release Method | MAGNETIC-HYDRAULIC ALL LOCATIONS |
| Center to Center Distance Between Terminals Parallel to Length | 1.940 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 |
| Part Number | Manufacturer |
|---|---|
| AM3R-A8-LC-07-D-L-15-4 PRIMARY | Eaton Corp Aerospace Commercial Controls Div (USA) |
NSN 5925-01-543-9641 is a Circuit Breaker, manufactured by Eaton Corp Aerospace Commercial Controls Div, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-543-9641 has 1 manufacturer part number on file: AM3R-A8-LC-07-D-L-15-4 (Eaton Corp Aerospace Commercial Controls Div).
Key specifications for AM3R-A8-LC-07-D-L-15-4: Reset Method: MANUAL; Operating Voltage Type and Rating Per Pole in Volts: 277.0 AC ALL LOCATIONS; Body Style: MULTIPOLE-MULTIPLE ACTUATOR TYPE; Circuit Protection Type: OVERCURRENT ALL LOCATIONS. 15 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.