The Circuit Breaker, cataloged under National Stock Number 5925-01-031-9910, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-031-9910 |
| Primary Part Number | FYB14020B |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Schneider Electric Usa, Inc. Dba Schneider Electric |
| Status | ACTIVE |
| Reset Method | MANUAL |
| Operating Voltage Type and Rating Per Pole in Volts | 480.0 AC AND 250.0 DC SINGLE LOCATION |
| Mounting Facility Type and Quantity | 4 SLOT AND 2 UNTHREADED HOLE(S) |
| 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 |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 4.880 INCHES NOMINAL IN |
| Circuit Protection Type | OVERCURRENT SINGLE LOCATION |
| Body Width | 1.500 INCHES NOMINAL IN |
| Body Height | 3.156 INCHES NOMINAL IN |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Unthreaded Mounting Hole Diameter | 0.172 INCHES NOMINAL IN |
| Pole Quantity | 1 |
| Maximum Continuous Load Current Rating Per Pole | 20.0 AMPERES AC AND 20.0 AMPERES DC SINGLE LOCATION |
| Trip Release Characteristic | INSTANTANEOUS SINGLE LOCATION |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 15000.0 AC AND 10000.0 DC SINGLE LOCATION |
| Body Length | 6.000 INCHES NOMINAL IN |
| Manual Actuator Type and Quantity | 1 TOGGLE |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Width | 1.397 INCHES NOMINAL IN |
| Inclosure Protection Type for Which Designed | GENERAL PURPOSE |
| Material | PLASTIC CASE |
| Actuator Function | TRIP-RESET |
| Trip Release Ambient Temp Rating | 40.0 CELSIUS NOMINAL SINGLE LOCATION DEGC |
| Terminal Type and Quantity | 2 COMPRESSION |
| Main Contact Tripping Mechanism Type | TRIP FREE |
| Boss Height | 0.125 INCHES NOMINAL IN |
| Trip Release Method | THERMAL-MAGNETIC SINGLE LOCATION |
| Center to Center Distance Between Terminals Parallel to Length | 5.125 INCHES NOMINAL IN |
| Mounting Slot Width | 0.103 INCHES NOMINAL IN |
| 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 |
|---|---|
| FYB14020B PRIMARY | Schneider Electric Usa, Inc. Dba Schneider Electric (USA) |
| Reference | Meaning |
|---|---|
| FYB14020B | 5/9 Secondary reference U.S. Government activity |
NSN 5925-01-031-9910 is a Circuit Breaker, manufactured by Schneider Electric Usa, Inc. Dba Schneider Electric, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-031-9910 has 1 manufacturer part number on file: FYB14020B (Schneider Electric Usa, Inc. Dba Schneider Electric).
Key specifications for FYB14020B: Reset Method: MANUAL; Operating Voltage Type and Rating Per Pole in Volts: 480.0 AC AND 250.0 DC SINGLE LOCATION; Mounting Facility Type and Quantity: 4 SLOT AND 2 UNTHREADED HOLE(S); Actuator Position Designation: AT POLE ONE. 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.