The Circuit Breaker, cataloged under National Stock Number 5925-01-252-7781, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Schneider Electric Usa, Inc. Dba Schneider Electric. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-252-7781 |
| Primary Part Number | QOB3100 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Schneider Electric Usa, Inc. Dba Schneider Electric |
| 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 ALL LOCATIONS |
| Mounting Facility Type and Quantity | 6 TERMINAL6 TERMINAL |
| Actuator Position Designation | AT POLE ONE |
| Frequency in Hertz | 60.0 ALL LOCATIONS |
| Center to Center Distance Between Terminals Parallel to Width | 0.750 INCHES NOMINAL0.750 INCHES NOMINAL IN |
| Fragility Factor | MODERATELY RUGGEDMODERATELY RUGGED |
| Body Style | MULTIPOLE-SINGLE ACTUATOR TYPEMULTIPOLE-SINGLE ACTUATOR TYPE |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 130.0 ALL LOCATIONS |
| Arc Quenching Method | AIRAIR |
| Circuit Protection Type | OVERCURRENT ALL LOCATIONS |
| Body Width | 2.230 INCHES NOMINAL2.230 INCHES NOMINAL IN |
| Body Height | 2.310 INCHES NOMINAL2.310 INCHES NOMINAL IN |
| Storage Type | GENERAL PURPOSE WAREHOUSEGENERAL PURPOSE WAREHOUSE |
| Pole Quantity | 33 |
| Maximum Continuous Load Current Rating Per Pole | 100.0 AMPERES AC ALL LOCATIONS |
| Trip Release Characteristic | TIME DELAY ALL LOCATIONS |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 10000.0 AC ALL LOCATIONS |
| Body Length | 3.000 INCHES NOMINAL3.000 INCHES NOMINAL IN |
| Trip Delay Time in Seconds Per Rated Continuous Current | 27.000 MINIMUM AT 200 PCT AND 60.000 MAXIMUM AT 200 PCT ALL LOCATIONS |
| Manual Actuator Type and Quantity | 1 TOGGLE |
| Inclosure Protection Type for Which Designed | DUSTPROOF |
| Cubic Measure | 15.453 CUBIC INCHES15.453 CUBIC INCHES |
| Material | PLASTIC CASE |
| Actuator Function | TRIP-RESET |
| Terminal Type and Quantity | 3 TAB W/SCREW AND 3 CLIP |
| Main Contact Tripping Mechanism Type | TRIP FREE |
| Boss Height | 0.160 INCHES NOMINAL0.160 INCHES NOMINAL IN |
| Trip Release Method | MAGNETIC ALL LOCATIONS |
| 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 |
|---|---|
| QOB3100 PRIMARY | Schneider Electric Usa, Inc. Dba Schneider Electric (USA) |
| Reference | Meaning |
|---|---|
| MFAG0896-1 | 5/9 Secondary reference American Development Corp |
| QOB3100 | C/1 Advisory reference — outside the item-of-supply concept Schneider Electric Usa, Inc. |
NSN 5925-01-252-7781 is a Circuit Breaker, manufactured by Schneider Electric Usa, Inc. Dba Schneider Electric, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-252-7781 has 1 manufacturer part number on file: QOB3100 (Schneider Electric Usa, Inc. Dba Schneider Electric).
1 possible match (shared part number, not a government interchangeability claim): 5925-01-533-7008. Verify interchangeability with system specifications before substitution.
Key specifications for QOB3100: Reset Method: MANUAL; Internal Trip Release Configuration: SERIES TRIP ALL LOCATIONS; Operating Voltage Type and Rating Per Pole in Volts: 240.0 AC ALL LOCATIONS; Mounting Facility Type and Quantity: 6 TERMINAL6 TERMINAL. 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.