The Circuit Breaker, cataloged under National Stock Number 5925-01-708-0268, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Phoenix Contact Development and Manufacturing Inc Dba Protiq Usa. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-708-0268 |
| Primary Part Number | CB TM1 4A SFB P |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Phoenix Contact Development and Manufacturing Inc Dba Protiq Usa |
| Status | ACTIVE |
| Reset Method | ELECTRIC |
| Operating Voltage Type and Rating Per Pole in Volts | 50.0 DC SINGLE LOCATION |
| Unpackaged Unit Weight | 41.50 GRAMS NOMINAL G |
| Body Style | SINGLE POLE TYPE |
| Body Width | 12.3 MILLIMETERS NOMINAL MM |
| Body Height | 77.3 MILLIMETERS NOMINAL MM |
| Pole Quantity | 1 |
| Maximum Continuous Load Current Rating Per Pole | 4.0 AMPERES DC SINGLE LOCATION |
| Features Provided | ROHS DIRECTIVE COMPLIANCE |
| Trip Release Characteristic | INSTANTANEOUS SINGLE LOCATION |
| Body Length | 90.0 MILLIMETERS NOMINAL MM |
| Terminal Type and Quantity | 5 PIN |
| Trip Release Method | THERMAL-MAGNETIC SINGLE LOCATION |
| 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 |
|---|---|
| CB TM1 4A SFB P PRIMARY | Phoenix Contact Development and Manufacturing Inc Dba Protiq Usa (USA) |
| CB TM1 4A SFB P | Phoenix Contact (FRA) |
| MCM-04480 | Naval Group (FRA) |
| 2800839 | Phoenix Contact (FRA) |
NSN 5925-01-708-0268 is a Circuit Breaker, manufactured by Phoenix Contact Development and Manufacturing Inc Dba Protiq Usa, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-708-0268 has 4 manufacturer part numbers on file: CB TM1 4A SFB P (Phoenix Contact Development and Manufacturing Inc Dba Protiq Usa), CB TM1 4A SFB P (Phoenix Contact), MCM-04480 (Naval Group), 2800839 (Phoenix Contact).
Key specifications for CB TM1 4A SFB P: Reset Method: ELECTRIC; Operating Voltage Type and Rating Per Pole in Volts: 50.0 DC SINGLE LOCATION; Unpackaged Unit Weight: 41.50 GRAMS NOMINAL G; Body Style: SINGLE POLE TYPE. 13 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.