The Circuit Breaker, cataloged under National Stock Number 5925-01-314-9111, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Moeller Electric Corp. Government technical data includes 25 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-314-9111 |
| Primary Part Number | NZM6B-63/ZM6-50-320-OBI-CNA |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Moeller Electric Corp |
| Status | ACTIVE |
| Reset Method | MANUAL |
| Operating Voltage Type and Rating Per Pole in Volts | 320.0 AC ALL LOCATIONS |
| Mounting Facility Type and Quantity | 6 TERMINAL |
| Actuator Position Designation | BETWEEN POLE ONE AND TWO |
| Frequency in Hertz | 60.0 ALL LOCATIONS |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | RECTANGULAR DIMENSIONAL ENVELOPE |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 125.0 ALL LOCATIONS |
| Adjustable Trip Setting Current Range Per Pole in Amps | +160.0 TO 320.0 AC ALL LOCATIONS |
| Arc Quenching Method | MAGNETIC BLOWOUT |
| Circuit Protection Type | UNDERVOLTAGE ALL LOCATIONS |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Pole Quantity | 3 |
| Maximum Continuous Load Current Rating Per Pole | 50.0 AMPERES AC ALL LOCATIONS |
| Features Provided | ADJUSTABLE TRIP RELEASE |
| Trip Release Characteristic | INSTANTANEOUS ALL LOCATIONS |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 14000.0 AC ALL LOCATIONS |
| Manual Actuator Type and Quantity | 1 ROTARY |
| Inclosure Protection Type for Which Designed | GENERAL PURPOSE |
| Material | PLASTIC CASE |
| Actuator Function | TRIP-RESET |
| Trip Release Ambient Temp Rating | 40.0 CELSIUS NOMINAL ALL LOCATIONS DEGC |
| Terminal Type and Quantity | 6 COMPRESSION |
| Main Contact Tripping Mechanism Type | TRIP FREE |
| Trip Release Method | THERMAL-MAGNETIC ALL LOCATIONS |
| 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 |
|---|---|
| NZM6B-63/ZM6-50-320-OBI-CNA PRIMARY | Moeller Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| NZM6B-63/ZM6-50-320- | C/1 Advisory reference — outside the item-of-supply concept Klockner-Moeller Corp |
NSN 5925-01-314-9111 is a Circuit Breaker, manufactured by Moeller Electric Corp, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-314-9111 has 1 manufacturer part number on file: NZM6B-63/ZM6-50-320-OBI-CNA (Moeller Electric Corp).
Key specifications for NZM6B-63/ZM6-50-320-OBI-CNA: Reset Method: MANUAL; Operating Voltage Type and Rating Per Pole in Volts: 320.0 AC ALL LOCATIONS; Mounting Facility Type and Quantity: 6 TERMINAL; Overall Height: 109.000 MILLIMETERS NOMINAL MM. 25 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.