The Circuit Breaker, cataloged under National Stock Number 5925-01-178-7541, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Thales Sa. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-178-7541 |
| Primary Part Number | 91500995 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Thales Sa |
| Status | ACTIVE |
| Reset Method | MANUAL |
| Internal Trip Release Configuration | SERIES TRIP SINGLE LOCATION |
| Operating Voltage Type and Rating Per Pole in Volts | 250.0 AC SINGLE LOCATION |
| Mounting Facility Type and Quantity | 2 THREADED HOLE(S) |
| Actuator Position Designation | AT POLE ONE |
| Ultimate Trip Time Per Pole in Seconds | 8.000 MINIMUM AND 60.000 MAXIMUM SINGLE LOCATION |
| Switch Terminal Type | QUICK DISCONNECT, MALE |
| Frequency in Hertz | 50.0 OR 60.0 SINGLE LOCATION |
| Body Style | SINGLE POLE TYPE |
| Switch Voltage Rating and Type in Volts | 250.0 AC |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 125.0 SINGLE LOCATION |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 2.060 INCHES NOMINAL IN |
| Switch Location and Position Designation | INTERNAL AT POLE ONE |
| Thread Pitch in Millimeters | 0.50 |
| Circuit Protection Type | OVERCURRENT SINGLE LOCATION |
| Body Width | 0.750 INCHES MAXIMUM IN |
| Trip Release Duty Cycle | CONTINUOUS SINGLE LOCATION |
| Pole Quantity | 1 |
| Mounting Surface to Terminal End Distance | 2.755 INCHES NOMINAL IN |
| Maximum Continuous Load Current Rating Per Pole | 1.0 AMPERES AC SINGLE LOCATION |
| Features Provided | HIGH INRUSH PROTECTION |
| Trip Release Characteristic | TIME DELAY SINGLE LOCATION |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 1000.0 AC SINGLE LOCATION |
| Nominal Thread Size | 3.0 MILLIMETERS MM |
| Body Length | 2.490 INCHES NOMINAL IN |
| Trip Delay Time in Seconds Per Rated Continuous Current | 8.000 MINIMUM AT 125 PCT AND 60.000 MAXIMUM AT 125 PCT SINGLE LOCATION |
| Manual Actuator Type and Quantity | 1 TOGGLE |
| Switch Current Rating and Type in Amps | 10.0 AC |
| Inclosure Protection Type for Which Designed | DUSTPROOF |
| Test Data Document | 81541-2002 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| 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 |
|---|---|
| 91500995 | Thales Sa (FRA) |
| Reference | Meaning |
|---|---|
| 205-1-1REC2-65-4-102AMO | 3/2 Design control — primary reference U.S. Government activity |
NSN 5925-01-178-7541 is a Circuit Breaker, manufactured by Thales Sa, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-178-7541 has 1 manufacturer part number on file: 91500995 (Thales Sa).
Key specifications for 91500995: Reset Method: MANUAL; Internal Trip Release Configuration: SERIES TRIP SINGLE LOCATION; Operating Voltage Type and Rating Per Pole in Volts: 250.0 AC SINGLE LOCATION; Mounting Facility Type and Quantity: 2 THREADED HOLE(S). 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.