The Circuit Breaker, cataloged under National Stock Number 5925-00-878-4077, 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 Amz Alabama Inc.. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5925-00-878-4077 |
| Primary Part Number | Q120 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — No Item Name Available |
| Manufacturer | Amz Alabama Inc. |
| Status | CANCELLED |
| Circuit Protection Type | OVERCURRENT SINGLE LOCATION |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 125.0 SINGLE LOCATION |
| Material | PLASTIC CASE |
| Frequency in Hertz | 60.0 SINGLE LOCATION |
| Actuator Function | TRIP-RESET |
| Maximum Continuous Load Current Rating Per Pole | 20.0 AMPERES AC SINGLE LOCATION |
| Trip Release Ambient Temp Rating | 40.0 CELSIUS NOMINAL SINGLE LOCATION DEGC |
| Actuator Position Designation | AT POLE ONE |
| Trip Release Characteristic | INSTANTANEOUS AND TIME DELAY SINGLE LOCATION |
| Terminal Type and Quantity | 1 CLIP AND 1 COMPRESSION |
| Manual Actuator Type and Quantity | 1 TOGGLE |
| Operating Voltage Type and Rating Per Pole in Volts | 240.0 AC SINGLE LOCATION |
| Inclosure Protection Type for Which Designed | FUNGUS RESISTANT |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 5000.0 AC SINGLE LOCATION |
| Reset Method | MANUAL |
| Trip Release Method | THERMAL-MAGNETIC SINGLE LOCATION |
| Main Contact Tripping Mechanism Type | TRIP FREE |
| Trip Delay Time in Seconds Per Rated Continuous Current | 60.000 NOMINAL AT 150 PCT AND 20.000 NOMINAL AT 200 PCT SINGLE LOCATION |
| Fragility Factor | MODERATELY RUGGED |
| Pole Quantity | 1 |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Mounting Facility Type and Quantity | 2 TERMINAL |
| Boss Height | 0.250 INCHES NOMINAL IN |
| Body Width | 0.734 INCHES NOMINAL IN |
| Body Style | SINGLE POLE TYPE |
| Body Length | 3.000 INCHES NOMINAL IN |
| Body Height | 2.312 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| Q120 | Amz Alabama Inc. (USA) |
| Q120 | Siemens Energy and Automation Inc Ite Circuit Protection Div (USA) |
| QP1B020 | I-T-E Imperial Corp Subsidiary of Gould Inc Atlanta Marine Dept (USA) |
| EQP9412 | L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA) |
| Q120 | Siemens-Allis Inc (USA) |
| LB120 | T and L Electrical Corp (USA) |
| Q120 | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA) |
NSN 5925-00-878-4077 is a Circuit Breaker, manufactured by Amz Alabama Inc., classified under FSC 5925 (No Item Name Available). Status: cancelled.
NSN 5925-00-878-4077 has 7 cross-referenced part numbers: Q120 (Amz Alabama Inc.), Q120 (Siemens Energy and Automation Inc Ite Circuit Protection Div), QP1B020 (I-T-E Imperial Corp Subsidiary of Gould Inc Atlanta Marine Dept), EQP9412 (L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.), Q120 (Siemens-Allis Inc) and 2 more.
There is 1 known substitute for 5925-00-878-4077: 5925-00-450-4646. Verify interchangeability with system specifications before substitution.
Key specifications for Q120: Circuit Protection Type: OVERCURRENT SINGLE LOCATION; Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent: 125.0 SINGLE LOCATION; Material: PLASTIC CASE; Frequency in Hertz: 60.0 SINGLE LOCATION. 28 total characteristics are documented in the Federal Logistics Information System.
NSN 5925-00-878-4077 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.