The Circuit Breaker, cataloged under National Stock Number 5925-01-440-7280, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5925-01-440-7280 |
| Primary Part Number | 302-5910830PC6 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Reset Method | MANUAL |
| Internal Trip Release Configuration | SERIES TRIP ALL LOCATIONS |
| Operating Voltage Type and Rating Per Pole in Volts | 480.0 AC SINGLE LOCATION |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) |
| Frequency in Hertz | 60.0 ALL LOCATIONS |
| Body Style | RECTANGULAR DIMENSIONAL ENVELOPE |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 125.0 ALL LOCATIONS |
| Circuit Protection Type | OVERVOLTAGE ALL LOCATIONS |
| Unthreaded Mounting Hole Diameter | 0.196 INCHES NOMINAL IN |
| Pole Quantity | 3 |
| Maximum Continuous Load Current Rating Per Pole | 35.0 AMPERES AC SINGLE LOCATION |
| Trip Release Characteristic | INSTANTANEOUS ALL LOCATIONS |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 18000.0 AC ALL LOCATIONS |
| Manual Actuator Type and Quantity | 1 TOGGLE |
| Material | PLASTIC CASE |
| Trip Release Ambient Temp Rating | 25.0 CELSIUS NOMINAL ALL LOCATIONS DEGC |
| Terminal Type and Quantity | 6 COMPRESSION |
| Main Contact Tripping Mechanism Type | TRIP FREE |
| Trip Release Method | THERMAL 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 |
|---|---|
| ED43B035 | Siemens Energy and Automation Inc Ite Circuit Protection Div (USA) |
| 302-5910830PC6 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| E43B035 | 5/9 Secondary reference Siemens Energy and Automation Inc Ite Circuit Protection Div |
NSN 5925-01-440-7280 is a Circuit Breaker, manufactured by Naval Sea Systems Command, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-440-7280 has 2 manufacturer part numbers on file: ED43B035 (Siemens Energy and Automation Inc Ite Circuit Protection Div), 302-5910830PC6 (Naval Sea Systems Command).
Key specifications for 302-5910830PC6: Reset Method: MANUAL; Internal Trip Release Configuration: SERIES TRIP ALL LOCATIONS; Operating Voltage Type and Rating Per Pole in Volts: 480.0 AC SINGLE LOCATION; Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S). 19 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.