The Circuit Breaker, cataloged under National Stock Number 5925-01-407-2545, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Bae Systems Information and Electronic Systems Integration Inc.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5925-01-407-2545 |
| Primary Part Number | H505A001-101 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Bae Systems Information and Electronic Systems Integration Inc. |
| Status | ACTIVE |
| Reset Method | MANUAL |
| Internal Trip Release Configuration | SERIES TRIP ALL LOCATIONS |
| Operating Voltage Type and Rating Per Pole in Volts | 240.0 AC FIRST LOCATION |
| Operating Voltage Type and Rating Per Pole in Volts | 240.0 AC SECOND LOCATION |
| Operating Voltage Type and Rating Per Pole in Volts | 240.0 AC THIRD LOCATION |
| Operating Voltage Type and Rating Per Pole in Volts | 5.0 DC FOURTH LOCATION |
| Mounting Facility Type and Quantity | 8 THREADED HOLE(S) |
| Actuator Position Designation | AT EACH POLE |
| Frequency in Hertz | 60.0 THIRD LOCATION |
| Frequency in Hertz | 60.0 FIRST LOCATION |
| Frequency in Hertz | 60.0 SECOND LOCATION |
| Center to Center Distance Between Terminals Parallel to Width | 0.750 INCHES NOMINAL IN |
| 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, TWO, THREE, AND FOUR LINKED |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 2.060 INCHES NOMINAL IN |
| Circuit Protection Type | OVERCURRENT ALL LOCATIONS |
| Body Width | 3.015 INCHES MAXIMUM IN |
| Pole Quantity | 4 |
| Mounting Surface to Terminal End Distance | 2.645 INCHES NOMINAL IN |
| Maximum Continuous Load Current Rating Per Pole | 50.0 AMPERES AC FIRST LOCATION |
| Maximum Continuous Load Current Rating Per Pole | 50.0 AMPERES AC SECOND LOCATION |
| Maximum Continuous Load Current Rating Per Pole | 50.0 AMPERES AC THIRD LOCATION |
| Trip Release Characteristic | TIME DELAY ALL LOCATIONS |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 1000.0 AC THIRD LOCATION |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 1000.0 AC SECOND 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 | 2000.0 DC FOURTH LOCATION |
| Nominal Thread Size | 0.138 INCHES IN |
| Body Length | 2.530 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 |
| Part Number | Manufacturer |
|---|---|
| H505A001-101 PRIMARY | Bae Systems Information and Electronic Systems Integration Inc. (USA) |
| Reference | Meaning |
|---|---|
| APL111125978-101 | 5/9 Secondary reference U.S. Government activity |
| IULHK1111-25978-1012 | 5/2 Secondary reference U.S. Government activity |
NSN 5925-01-407-2545 is a Circuit Breaker, manufactured by Bae Systems Information and Electronic Systems Integration Inc., classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-407-2545 has 1 manufacturer part number on file: H505A001-101 (Bae Systems Information and Electronic Systems Integration Inc.).
Key specifications for H505A001-101: Reset Method: MANUAL; Internal Trip Release Configuration: SERIES TRIP ALL LOCATIONS; Operating Voltage Type and Rating Per Pole in Volts: 240.0 AC FIRST LOCATION; Operating Voltage Type and Rating Per Pole in Volts: 240.0 AC SECOND 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.