The Tripper,circuit Breaker, cataloged under National Stock Number 5925-01-178-8374, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is General Electric Co Electrical Distribution and Control. Government technical data includes 19 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-178-8374 |
| Primary Part Number | TFK226T175 |
| Item Name | Tripper,circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | General Electric Co Electrical Distribution and Control |
| Status | ACTIVE |
| Operating Voltage Type and Rating Per Pole in Volts | 600.0 AC AND 250.0 DC ALL LOCATIONS |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S)4 UNTHREADED HOLE(S) |
| Actuator Position Designation | BETWEEN POLE ONE AND TWO |
| Frequency in Hertz | 60.0 ALL LOCATIONS |
| Fragility Factor | MODERATELY RUGGEDMODERATELY RUGGED |
| Body Style | RECTANGULAR DIMENSIONAL ENVELOPERECTANGULAR DIMENSIONAL ENVELOPE |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 125.0 ALL LOCATIONS |
| Circuit Protection Type | OVERCURRENT ALL LOCATIONS |
| Storage Type | GENERAL PURPOSE WAREHOUSEGENERAL PURPOSE WAREHOUSE |
| Unthreaded Mounting Hole Diameter | 0.188 INCHES NOMINAL0.188 INCHES NOMINAL IN |
| Pole Quantity | 22 |
| Maximum Continuous Load Current Rating Per Pole | 175.0 AMPERES AC AND 175.0 AMPERES DC ALL LOCATIONS |
| Trip Release Characteristic | INSTANTANEOUS AND TIME DELAY ALL LOCATIONS |
| Trip Delay Time in Seconds Per Rated Continuous Current | 480.000 MAXIMUM AT 200 PCT ALL LOCATIONS |
| Manual Actuator Type and Quantity | 1 TOGGLE |
| Actuator Function | TRIP-RESET |
| Trip Release Ambient Temp Rating | 40.0 CELSIUS NOMINAL ALL LOCATIONS DEGC |
| Terminal Type and Quantity | 4 COMPRESSION |
| Trip Release Method | THERMAL-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 |
|---|---|
| TFK226T175 PRIMARY | General Electric Co Electrical Distribution and Control (USA) |
NSN 5925-01-178-8374 is a Tripper,circuit Breaker, manufactured by General Electric Co Electrical Distribution and Control, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-178-8374 has 1 manufacturer part number on file: TFK226T175 (General Electric Co Electrical Distribution and Control).
Key specifications for TFK226T175: Operating Voltage Type and Rating Per Pole in Volts: 600.0 AC AND 250.0 DC ALL LOCATIONS; Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S)4 UNTHREADED HOLE(S); Overall Height: 3.188 INCHES NOMINAL3.188 INCHES NOMINAL IN; Actuator Position Designation: BETWEEN POLE ONE AND TWO. 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.