The Circuit Breaker, cataloged under National Stock Number 5925-01-408-1039, is classified within Federal Supply Class 5925 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Heinemann Electric Canada Incdivision of Eaton Corp. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-408-1039 |
| Primary Part Number | AM3R-A3-LC07D-A-50-2 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — No Item Name Available |
| Manufacturer | Heinemann Electric Canada Incdivision of Eaton Corp |
| Status | ACTIVE |
| Trip Release Characteristic | TIME DELAY ALL LOCATIONS |
| Nominal Thread Size | 0.138 INCHES IN |
| Maximum Continuous Load Current Rating Per Pole | 50.0 AMPERES AC ALL LOCATIONS |
| Actuator Position Designation | AT EACH POLE |
| Body Length | 2.500 INCHES NOMINAL IN |
| Internal Trip Release Configuration | SERIES TRIP ALL LOCATIONS |
| Trip Delay Time in Seconds Per Rated Continuous Current | 2.000 MINIMUM AT 200 PCT AND 20.000 MAXIMUM AT 200 PCT ALL LOCATIONS |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Center to Center Distance Between Terminals Parallel to Length | 1.938 INCHES NOMINAL IN |
| Mounting Facility Type and Quantity | 6 THREADED HOLE(S) |
| Mounting Surface to Terminal End Distance | 2.611 INCHES NOMINAL IN |
| Boss Height | 0.140 INCHES NOMINAL IN |
| Center to Center Distance Between Terminals Parallel to Width | 0.750 INCHES NOMINAL IN |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 2.060 INCHES NOMINAL IN |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Width | 0.750 INCHES NOMINAL IN |
| Pole Quantity | 3 |
| Manual Actuator Type and Quantity | 3 TOGGLE |
| Terminal Type and Quantity | 6 THREADED STUD |
| Material | PLASTIC CASE |
| External Actuator Linkage Arrangement | ONE, TWO, AND THREE LINKED |
| Body Width | 2.250 INCHES NOMINAL IN |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 125.0 ALL LOCATIONS |
| Operating Voltage Type and Rating Per Pole in Volts | 250.0 AC ALL LOCATIONS |
| Body Style | MULTIPOLE-MULTIPLE ACTUATOR TYPE |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 1000.0 AC ALL LOCATIONS |
| Main Contact Tripping Mechanism Type | TRIP FREE |
| Circuit Protection Type | OVERCURRENT ALL LOCATIONS |
| Reset Method | MANUAL |
| Frequency in Hertz | 60.0 ALL LOCATIONS |
| Actuator Function | TRIP-RESET |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AM3R-A3-LC07D-A-50-2 | Heinemann Electric Canada Incdivision of Eaton Corp (CAN) |
| 691-00018 | Communications & Power Industries Dba Communications & Power Industries Div Solid State Products Division (USA) |
| AM3-A3A3A3-A-50-2 | Eaton Corp Heinemann Products Commercial Controls Div (USA) |
| AM3-A3-A-0050-02E | Eaton Corp Heinemann Products Commercial Controls Div (USA) |
| AM3-A3-A-0050-02E | Heinemann Electric Canada Incdivision of Eaton Corp (CAN) |
NSN 5925-01-408-1039 is a Circuit Breaker, manufactured by Heinemann Electric Canada Incdivision of Eaton Corp, classified under FSC 5925 (No Item Name Available). Status: active.
NSN 5925-01-408-1039 has 5 cross-referenced part numbers: AM3R-A3-LC07D-A-50-2 (Heinemann Electric Canada Incdivision of Eaton Corp), 691-00018 (Communications & Power Industries Dba Communications & Power Industries Div Solid State Products Division), AM3-A3A3A3-A-50-2 (Eaton Corp Heinemann Products Commercial Controls Div), AM3-A3-A-0050-02E (Eaton Corp Heinemann Products Commercial Controls Div), AM3-A3-A-0050-02E (Heinemann Electric Canada Incdivision of Eaton Corp).
There are 2 known substitutes for 5925-01-408-1039: 5331-00-166-0994, 5925-01-530-1060. Verify interchangeability with system specifications before substitution.
Key specifications for AM3R-A3-LC07D-A-50-2: Trip Release Characteristic: TIME DELAY ALL LOCATIONS; Nominal Thread Size: 0.138 INCHES IN; Maximum Continuous Load Current Rating Per Pole: 50.0 AMPERES AC ALL LOCATIONS; Actuator Position Designation: AT EACH POLE. 30 total characteristics are documented in the Federal Logistics Information System.