The Circuit Breaker, cataloged under National Stock Number 5925-01-192-7253, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Heinemann Electric Canada Incdivision of Eaton Corp. Government technical data includes 30 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-192-7253 |
| Primary Part Number | AM2-Z397-1W |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Heinemann Electric Canada Incdivision of Eaton Corp |
| Status | ACTIVE |
| Reset Method | MANUAL |
| Internal Trip Release Configuration | SERIES TRIP FIRST LOCATION |
| Internal Trip Release Configuration | RELAY TRIP 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 | 28.0 DC SECOND LOCATION |
| Mounting Facility Type and Quantity | 4 CLIP |
| Actuator Position Designation | AT EACH POLE |
| Frequency in Hertz | 400.0 FIRST LOCATION |
| Unpackaged Unit Weight | 6.500 OUNCES NOMINAL OZ |
| Center to Center Distance Between Terminals Parallel to Width | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | MULTIPOLE-MULTIPLE ACTUATOR TYPE |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 125.0 ALL LOCATIONS |
| External Actuator Linkage Arrangement | ONE AND TWO LINKED |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 2.052 INCHES MINIMUM AND 2.072 INCHES MAXIMUM IN |
| Arc Quenching Method | MAGNETIC BLOWOUT |
| Circuit Protection Type | OVERCURRENT FIRST LOCATION |
| Body Width | 1.480 INCHES MINIMUM AND 1.520 INCHES MAXIMUM IN |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Pole Quantity | 2 |
| Mounting Surface to Terminal End Distance | 2.850 INCHES MAXIMUM IN |
| Maximum Continuous Load Current Rating Per Pole | 15.0 AMPERES AC FIRST LOCATION |
| Maximum Continuous Load Current Rating Per Pole | 15.0 AMPERES DC SECOND LOCATION |
| Trip Release Characteristic | INSTANTANEOUS SECOND LOCATION |
| Trip Release Characteristic | TIME DELAY FIRST LOCATION |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 1000.0 AC FIRST LOCATION |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 1000.0 DC SECOND LOCATION |
| Body Length | 2.490 INCHES MINIMUM AND 2.510 INCHES MAXIMUM IN |
| Trip Delay Time in Seconds Per Rated Continuous Current | 2.000 MAXIMUM AT 200 PCT FIRST LOCATION |
| Manual Actuator Type and Quantity | 2 TOGGLE |
| 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 |
|---|---|
| AM2-Z397-1W | Heinemann Electric Canada Incdivision of Eaton Corp (CAN) |
| Reference | Meaning |
|---|---|
| AM2-Z397-1 | 5/9 Secondary reference Eaton Corp Heinemann Products Commercial Controls Div |
| C10010-5 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5925-01-192-7253 is a Circuit Breaker, manufactured by Heinemann Electric Canada Incdivision of Eaton Corp, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-192-7253 has 1 manufacturer part number on file: AM2-Z397-1W (Heinemann Electric Canada Incdivision of Eaton Corp).
Key specifications for AM2-Z397-1W: Reset Method: MANUAL; Internal Trip Release Configuration: SERIES TRIP FIRST LOCATION; Internal Trip Release Configuration: RELAY TRIP SECOND LOCATION; Operating Voltage Type and Rating Per Pole in Volts: 250.0 AC FIRST 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.