The Circuit Breaker, cataloged under National Stock Number 5925-01-040-7979, 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.. Government technical data includes 25 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5925-01-040-7979 |
| Primary Part Number | QOU120 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Schneider Electric Usa, Inc. |
| Status | ACTIVE |
| Reset Method | MANUAL |
| Operating Voltage Type and Rating Per Pole in Volts | 240.0 AC SINGLE LOCATION |
| Mounting Facility Type and Quantity | 1 TERMINAL |
| Actuator Position Designation | AT POLE ONE |
| Frequency in Hertz | 60.0 SINGLE LOCATION |
| Body Style | SINGLE POLE TYPE |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 125.0 SINGLE LOCATION |
| Circuit Protection Type | OVERCURRENT SINGLE LOCATION |
| Body Width | 0.730 INCHES NOMINAL IN |
| Body Height | 2.561 INCHES NOMINAL IN |
| Pole Quantity | 1 |
| Maximum Continuous Load Current Rating Per Pole | 20.0 AMPERES AC SINGLE LOCATION |
| Trip Release Characteristic | TIME DELAY SINGLE LOCATION |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 10000.0 AC SINGLE LOCATION |
| Body Length | 3.000 INCHES NOMINAL IN |
| Trip Delay Time in Seconds Per Rated Continuous Current | 120.000 MAXIMUM AT 200 PCT SINGLE LOCATION |
| Manual Actuator Type and Quantity | 1 TOGGLE |
| Inclosure Protection Type for Which Designed | FUNGUS RESISTANT |
| Material | PLASTIC CASE |
| Actuator Function | TRIP-RESET |
| Trip Release Ambient Temp Rating | 25.0 CELSIUS NOMINAL SINGLE LOCATION DEGC |
| Terminal Type and Quantity | 1 CLIP AND 1 SCREW |
| Main Contact Tripping Mechanism Type | TRIP FREE |
| Boss Height | 0.160 INCHES NOMINAL IN |
| Trip Release Method | THERMAL-MAGNETIC SINGLE LOCATION |
| 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 |
|---|---|
| QOU120 PRIMARY | Schneider Electric Usa, Inc. (USA) |
| Reference | Meaning |
|---|---|
| X-79280-00 | C/1 Advisory reference — outside the item-of-supply concept General Regulator Corp. Dba Accudriv |
| Q0U120 | 5/9 Secondary reference Schneider Electric Usa, Inc. |
NSN 5925-01-040-7979 is a Circuit Breaker, manufactured by Schneider Electric Usa, Inc., classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-040-7979 has 1 manufacturer part number on file: QOU120 (Schneider Electric Usa, Inc.).
Key specifications for QOU120: Reset Method: MANUAL; Operating Voltage Type and Rating Per Pole in Volts: 240.0 AC SINGLE LOCATION; Mounting Facility Type and Quantity: 1 TERMINAL; Actuator Position Designation: AT POLE ONE. 25 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.