The Circuit Breaker, cataloged under National Stock Number 5925-00-009-7212, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Eaton Industries Manufacturing. Government technical data includes 30 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-00-009-7212 |
| Primary Part Number | JAIC3-2-5-3A |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Eaton Industries Manufacturing |
| Status | ACTIVE |
| Reset Method | MANUAL |
| Internal Trip Release Configuration | SERIES TRIP SINGLE LOCATION |
| Operating Voltage Type and Rating Per Pole in Volts | 250.0 AC SINGLE LOCATION |
| Mounting Facility Type and Quantity | 2 THREADED HOLE(S) |
| Actuator Position Designation | AT POLE ONE |
| Frequency in Hertz | 400.0 SINGLE LOCATION |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | SINGLE POLE TYPE |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 150.0 SINGLE LOCATION |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 1.655 INCHES MINIMUM AND 1.665 INCHES MAXIMUM IN |
| Arc Quenching Method | MAGNETIC BLOWOUT |
| Circuit Protection Type | OVERCURRENT SINGLE LOCATION |
| Body Width | 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Pole Quantity | 1 |
| Mounting Surface to Terminal End Distance | 1.875 INCHES MINIMUM AND 1.885 INCHES MAXIMUM IN |
| Maximum Continuous Load Current Rating Per Pole | 2.5 AMPERES AC SINGLE LOCATION |
| Trip Release Characteristic | TIME DELAY SINGLE LOCATION |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 1000.0 AC SINGLE LOCATION |
| Nominal Thread Size | 0.138 INCHES IN |
| Body Length | 1.985 INCHES MINIMUM AND 2.015 INCHES MAXIMUM IN |
| Trip Delay Time in Seconds Per Rated Continuous Current | 2.800 MINIMUM AT 200 PCT AND 25.000 MAXIMUM AT 200 PCT SINGLE LOCATION |
| Inclosure Protection Type for Which Designed | DUSTPROOF AND FUNGUS PROOF |
| Thread Quantity Per Inch | 32 |
| Material | PLASTIC CASE |
| Actuator Function | TRIP-RESET |
| Terminal Type and Quantity | 2 TAB, SOLDER LUG |
| Main Contact Tripping Mechanism Type | TRIP FREE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Boss Height | 0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM 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 |
|---|---|
| JAIC3-2-5-3A | Eaton Industries Manufacturing (CHE) |
| C300-016 | Thales Uk Limited Dba Thales Uk Ltd Optronics (GBR) |
| Reference | Meaning |
|---|---|
| C300-016 | 5/9 Secondary reference Thales Uk Limited Dba Thales Uk Ltd Optronics |
| JA1C3-2-5-3A | 5/9 Secondary reference Eaton Corp Heinemann Products Commercial Controls Div |
| JA1-C3-2.5-250VAC-3-400HZ | 3/9 Design control — primary reference Eaton Corp Heinemann Products Commercial Controls Div |
NSN 5925-00-009-7212 is a Circuit Breaker, manufactured by Eaton Industries Manufacturing, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-00-009-7212 has 2 manufacturer part numbers on file: JAIC3-2-5-3A (Eaton Industries Manufacturing), C300-016 (Thales Uk Limited Dba Thales Uk Ltd Optronics).
1 possible match (shared part number, not a government interchangeability claim): 6635-01-243-0578. Verify interchangeability with system specifications before substitution.
Key specifications for JAIC3-2-5-3A: Reset Method: MANUAL; Internal Trip Release Configuration: SERIES TRIP SINGLE LOCATION; Operating Voltage Type and Rating Per Pole in Volts: 250.0 AC SINGLE LOCATION; Mounting Facility Type and Quantity: 2 THREADED 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.