The Circuit Breaker, cataloged under National Stock Number 5925-01-255-4283, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Emerson Electric Co Computer Power Div. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5925-01-255-4283 |
| Primary Part Number | 12-787783-21 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Emerson Electric Co Computer Power Div |
| Status | ACTIVE |
| Reset Method | MANUAL |
| Internal Trip Release Configuration | SERIES TRIP ALL LOCATIONS |
| Operating Voltage Type and Rating Per Pole in Volts | 120.0 AC ALL LOCATIONS |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S)4 UNTHREADED HOLE(S) |
| Actuator Position Designation | AT POLE TWO |
| Frequency in Hertz | 60.0 ALL LOCATIONS |
| Center to Center Distance Between Terminals Parallel to Width | 4.031 INCHES NOMINAL4.031 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 | 125.0 ALL LOCATIONS |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 19.843 INCHES NOMINAL19.843 INCHES NOMINAL IN |
| Arc Quenching Method | AIRAIR |
| Circuit Protection Type | OVERVOLTAGE ALL LOCATIONS |
| Body Width | 12.062 INCHES NOMINAL12.062 INCHES NOMINAL IN |
| Body Height | 9.937 INCHES NOMINAL9.937 INCHES NOMINAL IN |
| Storage Type | GENERAL PURPOSE WAREHOUSEGENERAL PURPOSE WAREHOUSE |
| Unthreaded Mounting Hole Diameter | 0.406 INCHES NOMINAL0.406 INCHES NOMINAL IN |
| Pole Quantity | 33 |
| Maximum Continuous Load Current Rating Per Pole | 1800.0 AMPERES AC ALL LOCATIONS |
| Trip Release Characteristic | INSTANTANEOUS ALL LOCATIONS |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 125000.0 AC ALL LOCATIONS |
| Body Length | 22.125 INCHES NOMINAL22.125 INCHES NOMINAL IN |
| Manual Actuator Type and Quantity | 1 TOGGLE |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Width | 4.031 INCHES NOMINAL4.031 INCHES NOMINAL IN |
| Inclosure Protection Type for Which Designed | GENERAL PURPOSE |
| Material | PLASTIC CASE |
| Actuator Function | TRIP-RESET |
| Terminal Type and Quantity | 6 QUICK DISCONNECT, MALE |
| Main Contact Tripping Mechanism Type | TRIP FREE |
| Boss Height | 0.872 INCHES NOMINAL0.872 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 |
|---|---|
| 12-787783-21 PRIMARY | Emerson Electric Co Computer Power Div (USA) |
| Reference | Meaning |
|---|---|
| 83E3092/1800AMP/TRIP/PLUG | 5/2 Secondary reference U.S. Government activity |
NSN 5925-01-255-4283 is a Circuit Breaker, manufactured by Emerson Electric Co Computer Power Div, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-255-4283 has 1 manufacturer part number on file: 12-787783-21 (Emerson Electric Co Computer Power Div).
Key specifications for 12-787783-21: Reset Method: MANUAL; Internal Trip Release Configuration: SERIES TRIP ALL LOCATIONS; Operating Voltage Type and Rating Per Pole in Volts: 120.0 AC ALL LOCATIONS; Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S)4 UNTHREADED HOLE(S). 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.