The Circuit Breaker, cataloged under National Stock Number 5925-01-271-1646, 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 Westinghouse Electric Corp. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5925-01-271-1646 |
| Primary Part Number | FDB3100 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — No Item Name Available |
| Manufacturer | Westinghouse Electric Corp |
| Status | CANCELLED |
| Body Width | 4.125 INCHES NOMINAL IN |
| Boss Height | 0.125 INCHES NOMINAL IN |
| Unthreaded Mounting Hole Diameter | 0.438 INCHES NOMINAL IN |
| Pole Quantity | 3 |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) |
| Center to Center Distance Between Terminals Parallel to Width | 1.375 INCHES NOMINAL IN |
| Circuit Protection Type | OVERCURRENT ALL LOCATIONS |
| Manual Actuator Type and Quantity | 1 TOGGLE |
| Frequency in Hertz | 50.0 OR 60.0 ALL LOCATIONS |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 125.0 ALL LOCATIONS |
| Main Contact Tripping Mechanism Type | TRIP FREE |
| Actuator Position Designation | AT POLE ONE |
| Trip Release Ambient Temp Rating | 40.0 CELSIUS NOMINAL ALL LOCATIONS DEGC |
| Actuator Function | TRIP-RESET |
| Maximum Continuous Load Current Rating Per Pole | 100.0 AMPERES AC ALL LOCATIONS |
| Operating Voltage Type and Rating Per Pole in Volts | 600.0 AC ALL LOCATIONS |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 14000.0 AC ALL LOCATIONS |
| Trip Release Characteristic | INSTANTANEOUS ALL LOCATIONS |
| Material | PLASTIC CASE |
| Trip Release Method | THERMAL-MAGNETIC ALL LOCATIONS |
| Reset Method | MANUAL |
| Terminal Type and Quantity | 6 COMPRESSION |
| Body Height | 3.375 INCHES NOMINAL IN |
| Body Style | MULTIPOLE-SINGLE ACTUATOR TYPE |
| Body Length | 6.000 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 5925-01-271-1646 is a Circuit Breaker, manufactured by Westinghouse Electric Corp, classified under FSC 5925 (No Item Name Available). Status: cancelled.
NSN 5925-01-271-1646 has 2 cross-referenced part numbers: F3100 (Westinghouse Electric Corp Control Business Unit), FDB3100 (Westinghouse Electric Corp).
There are 2 known substitutes for 5925-01-271-1646: 5925-00-173-7646, 5915-00-240-2820. Verify interchangeability with system specifications before substitution.
Key specifications for FDB3100: Body Width: 4.125 INCHES NOMINAL IN; Boss Height: 0.125 INCHES NOMINAL IN; Unthreaded Mounting Hole Diameter: 0.438 INCHES NOMINAL IN; Pole Quantity: 3. 25 total characteristics are documented in the Federal Logistics Information System.
NSN 5925-01-271-1646 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.