The Circuit Breaker, cataloged under National Stock Number 5925-01-387-6663, 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 Siemens Energy and Automation Inc Ite Circuit Protection Div. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-387-6663 |
| Primary Part Number | B240 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — No Item Name Available |
| Manufacturer | Siemens Energy and Automation Inc Ite Circuit Protection Div |
| Status | ACTIVE |
| Main Contact Tripping Mechanism Type | TRIP FREE |
| Circuit Protection Type | OVERCURRENT ALL LOCATIONS |
| External Actuator Linkage Arrangement | ONE AND TWO LINKED |
| Material | PLASTIC CASE |
| Trip Release Method | MAGNETIC ALL LOCATIONS |
| Terminal Type and Quantity | 2 COMPRESSION AND 2 TAB, SOLDER LUG |
| Pole Quantity | 2 |
| Mounting Facility Type and Quantity | 4 CLIP |
| Maximum Continuous Load Current Rating Per Pole | 40.0 AMPERES AC ALL LOCATIONS |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 125.0 ALL LOCATIONS |
| Operating Voltage Type and Rating Per Pole in Volts | 240.0 AC ALL LOCATIONS |
| Internal Trip Release Configuration | SERIES TRIP ALL LOCATIONS |
| Reset Method | MANUAL |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 10000.0 AC ALL LOCATIONS |
| Trip Release Characteristic | INSTANTANEOUS ALL LOCATIONS |
| Manual Actuator Type and Quantity | 2 TOGGLE |
| Body Style | RECTANGULAR DIMENSIONAL ENVELOPE |
| Actuator Function | TRIP-RESET |
| Frequency in Hertz | 60.0 ALL LOCATIONS |
| Actuator Position Designation | AT EACH POLE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| B240 PRIMARY | Siemens Energy and Automation Inc Ite Circuit Protection Div (USA) |
NSN 5925-01-387-6663 is a Circuit Breaker, manufactured by Siemens Energy and Automation Inc Ite Circuit Protection Div, classified under FSC 5925 (No Item Name Available). Status: active.
NSN 5925-01-387-6663 has 1 cross-referenced part number: B240 (Siemens Energy and Automation Inc Ite Circuit Protection Div).
There are 7 known substitutes for 5925-01-387-6663: 5120-00-063-1843, 3455-00-224-3660, 5999-00-868-8487 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for B240: Main Contact Tripping Mechanism Type: TRIP FREE; Circuit Protection Type: OVERCURRENT ALL LOCATIONS; External Actuator Linkage Arrangement: ONE AND TWO LINKED; Material: PLASTIC CASE. 23 total characteristics are documented in the Federal Logistics Information System.