The Circuit Breaker, cataloged under National Stock Number 5925-01-578-2137, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Rockwell Automation, Inc. Dba Rockwell Automation. Government technical data includes 23 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-578-2137 |
| Primary Part Number | 1492-SP3C150 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Rockwell Automation, Inc. Dba Rockwell Automation |
| Status | ACTIVE |
| Reset Method | MANUAL |
| Internal Trip Release Configuration | SERIES TRIP ALL LOCATIONS |
| Operating Voltage Type and Rating Per Pole in Volts | 415.0 AC ALL LOCATIONS |
| Mounting Facility Type and Quantity | 1 DIN RAIL |
| Frequency in Hertz | 50.0 OR 60.0 ALL LOCATIONS |
| Center to Center Distance Between Terminals Parallel to Width | 17.5 MILLIMETERS NOMINAL MM |
| Body Style | MULTIPOLE-MULTIPLE ACTUATOR TYPE |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 1000.0 ALL LOCATIONS |
| External Actuator Linkage Arrangement | ONE, TWO, AND THREE LINKED |
| Circuit Protection Type | OVERCURRENT ALL LOCATIONS |
| Body Width | 52.5 MILLIMETERS NOMINAL MM |
| Body Height | 80.0 MILLIMETERS NOMINAL MM |
| Pole Quantity | 3 |
| Maximum Continuous Load Current Rating Per Pole | 30.0 AMPERES AC ALL LOCATIONS |
| Trip Release Characteristic | INSTANTANEOUS ALL LOCATIONS |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 10000.0 AC ALL LOCATIONS |
| Body Length | 61.5 MILLIMETERS NOMINAL MM |
| Manual Actuator Type and Quantity | 3 TOGGLE |
| Material | PLASTIC CASE |
| Terminal Type and Quantity | 6 SCREW |
| Main Contact Tripping Mechanism Type | TRIP FREE |
| Boss Height | 5.5 MILLIMETERS NOMINAL MM |
| Trip Release Method | MAGNETIC ALL LOCATIONS |
| 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 |
|---|---|
| 1491-110-IT49 | Duren Controls Inc. (USA) |
| 1492-SP3C150 PRIMARY | Rockwell Automation, Inc. Dba Rockwell Automation (USA) |
| Reference | Meaning |
|---|---|
| 1492-CB3G-150 | 3/9 Design control — primary reference Rockwell Automation, Inc. Dba Rockwell Automation |
NSN 5925-01-578-2137 is a Circuit Breaker, manufactured by Rockwell Automation, Inc. Dba Rockwell Automation, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-578-2137 has 2 manufacturer part numbers on file: 1491-110-IT49 (Duren Controls Inc.), 1492-SP3C150 (Rockwell Automation, Inc. Dba Rockwell Automation).
Key specifications for 1492-SP3C150: Reset Method: MANUAL; Internal Trip Release Configuration: SERIES TRIP ALL LOCATIONS; Operating Voltage Type and Rating Per Pole in Volts: 415.0 AC ALL LOCATIONS; Mounting Facility Type and Quantity: 1 DIN RAIL. 23 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.