The Circuit Breaker, cataloged under National Stock Number 5925-01-250-3306, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Carling Technologies, Inc Dba Carlingswitch. Government technical data includes 29 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-250-3306 |
| Primary Part Number | AB3-B0-24-620-2B1-C |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Carling Technologies, Inc Dba Carlingswitch |
| Status | ACTIVE |
| Reset Method | MANUAL |
| Internal Trip Release Configuration | SERIES TRIP ALL LOCATIONS |
| Operating Voltage Type and Rating Per Pole in Volts | 250.0 AC ALL LOCATIONS |
| Mounting Facility Type and Quantity | 6 THREADED HOLE(S)6 THREADED HOLE(S) |
| Actuator Position Designation | AT POLE TWO |
| Frequency in Hertz | 50.0 OR 60.0 ALL LOCATIONS |
| Unpackaged Unit Weight | 6.600 OUNCES NOMINAL OZ |
| Center to Center Distance Between Terminals Parallel to Width | 0.735 INCHES MINIMUM AND 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM0.765 INCHES MAXIMUM 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 | 1.645 INCHES MINIMUM AND 1.645 INCHES MINIMUM AND 1.675 INCHES MAXIMUM1.675 INCHES MAXIMUM IN |
| Arc Quenching Method | MAGNETIC BLOWOUTMAGNETIC BLOWOUT |
| Circuit Protection Type | OVERCURRENT ALL LOCATIONS |
| Body Width | 2.265 INCHES MAXIMUM2.265 INCHES MAXIMUM IN |
| Storage Type | GENERAL PURPOSE WAREHOUSEGENERAL PURPOSE WAREHOUSE |
| Pole Quantity | 33 |
| Mounting Surface to Terminal End Distance | 2.000 INCHES MAXIMUM2.000 INCHES MAXIMUM IN |
| Maximum Continuous Load Current Rating Per Pole | 20.0 AMPERES AC ALL LOCATIONS |
| Trip Release Characteristic | TIME DELAY ALL LOCATIONS |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 1000.0 AC ALL LOCATIONS |
| Nominal Thread Size | 0.138 INCHES IN |
| Body Length | 1.985 INCHES MINIMUM AND 1.985 INCHES MINIMUM AND 2.015 INCHES MAXIMUM2.015 INCHES MAXIMUM IN |
| Trip Delay Time in Seconds Per Rated Continuous Current | 2.000 MINIMUM AT 200 PCT AND 20.000 MAXIMUM AT 200 PCT ALL LOCATIONS |
| Manual Actuator Type and Quantity | 1 TOGGLE |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Width | 0.735 INCHES MINIMUM AND 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM0.765 INCHES MAXIMUM IN |
| Inclosure Protection Type for Which Designed | MOISTURE RESISTANT AND SALT SPRAY PROOF AND SHOCK RESISTANT AND VIBRATION RESISTANT |
| Thread Quantity Per Inch | 3232 |
| Material | PLASTIC CASE |
| 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 |
|---|---|
| AB3-B0-24-620-2B1-C PRIMARY | Carling Technologies, Inc Dba Carlingswitch (USA) |
| Reference | Meaning |
|---|---|
| IEG666-1-62-20.0-91-V | 5/2 Secondary reference U.S. Government activity |
| JA3S-T3-DB-01-D-A-20-2 | 5/9 Secondary reference Eaton Corp Heinemann Products Commercial Controls Div |
| UPG-666-1-62-203-91 | 5/9 Secondary reference U.S. Government activity |
NSN 5925-01-250-3306 is a Circuit Breaker, manufactured by Carling Technologies, Inc Dba Carlingswitch, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-250-3306 has 1 manufacturer part number on file: AB3-B0-24-620-2B1-C (Carling Technologies, Inc Dba Carlingswitch).
Key specifications for AB3-B0-24-620-2B1-C: Reset Method: MANUAL; Internal Trip Release Configuration: SERIES TRIP ALL LOCATIONS; Operating Voltage Type and Rating Per Pole in Volts: 250.0 AC ALL LOCATIONS; Mounting Facility Type and Quantity: 6 THREADED HOLE(S)6 THREADED HOLE(S). 29 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.