The Circuit Breaker, cataloged under National Stock Number 5925-01-477-1618, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Siemens Energy and Automation Inc Siemens Furnas Controls Div. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-477-1618 |
| Primary Part Number | HFD63B225F/S09FD60/A01FD62 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Siemens Energy and Automation Inc Siemens Furnas Controls Div |
| Status | ACTIVE |
| Operating Voltage Type and Rating Per Pole in Volts | 600.0 AC SINGLE LOCATION |
| Center to Center Distance Between Terminals Parallel to Width | 1.250 INCHES NOMINAL IN |
| Body Style | MULTIPOLE-SINGLE ACTUATOR TYPE |
| Switch Voltage Rating and Type in Volts | 48.0 DC |
| Body Width | 4.484 INCHES NOMINAL IN |
| Body Height | 5.125 INCHES NOMINAL IN |
| Pole Quantity | 3 |
| Maximum Continuous Load Current Rating Per Pole | 225.0 AMPERES AC SINGLE LOCATION |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 22000.0 AC SINGLE LOCATION |
| Body Length | 9.500 INCHES NOMINAL IN |
| Manual Actuator Type and Quantity | 1 TOGGLE |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Width | 1.500 INCHES NOMINAL IN |
| Inclosure Protection Type for Which Designed | FUNGUS PROOF |
| Trip Release Ambient Temp Rating | 40.0 CELSIUS NOMINAL SINGLE LOCATION DEGC |
| Boss Height | 1.125 INCHES NOMINAL IN |
| Trip Release Method | THERMAL-MAGNETIC SINGLE LOCATION |
| Auxiliary Switch Function and Quantity | 1 CONTROL |
| Center to Center Distance Between Terminals Parallel to Length | 7.500 INCHES NOMINAL IN |
| 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 |
|---|---|
| HFD63B225F/S09FD60/A01FD62 PRIMARY | Siemens Energy and Automation Inc Siemens Furnas Controls Div (USA) |
| Reference | Meaning |
|---|---|
| HFD63B225F/S09FD60/A0FD62 | 5/9 Secondary reference Siemens Energy and Automation Inc Siemens Furnas Controls Div |
| 260-5020-020 | 7/2 Vendor item drawing reference Continental Electronics Corp |
NSN 5925-01-477-1618 is a Circuit Breaker, manufactured by Siemens Energy and Automation Inc Siemens Furnas Controls Div, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-477-1618 has 1 manufacturer part number on file: HFD63B225F/S09FD60/A01FD62 (Siemens Energy and Automation Inc Siemens Furnas Controls Div).
Key specifications for HFD63B225F/S09FD60/A01FD62: Operating Voltage Type and Rating Per Pole in Volts: 600.0 AC SINGLE LOCATION; Center to Center Distance Between Terminals Parallel to Width: 1.250 INCHES NOMINAL IN; Body Style: MULTIPOLE-SINGLE ACTUATOR TYPE; Switch Voltage Rating and Type in Volts: 48.0 DC. 18 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.