NSN 5925-00-279-5578 Repair Services

Circuit Breaker Overhaul, Repair, and Maintenance

MPN: PX0411TSMG4-20-125VDC, B40421-2, PX0411TS20-120VDC

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 5925-00-279-5578 circuit breaker
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NSN 5925002795578


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AS9120B:2015 ISO 9001 Audited and Certified

FAA and EASA Part 145 Certified Repair Stations Ensuring the highest standards of quality and compliance for our clients' needs.

We specialize in the repair and refurbishment of nsn components. From mechanical assemblies to rotor blades, our comprehensive capabilities cover a wide range of NSN parts, providing cost effective solutions to extend the operational life of vital equipment.

NSN 5925-00-279-5578 has been designated as a repairable item and has been included in our capabilities catalog. If you require overhaul or repair services use the form on this page to send us your information. We will provide you with a lead time and price quote.

Repairability and Datasheet

NSN 5925-00-279-5578 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 5925-00-279-5578
Categorization Automatic circuit breakers, for a voltage not exceeding 1,000 v
Repairability Code Z

This is a nonreparable item. if condemned or economically unserviceable, then dispose at the level authorized replace the item.

Approximate Weight 1.0lb
Body Style Single pole type
Body Length 4.750 inches
Body Width 1.030 inches
Body Height 2.610 inches
Case Material Plastic
Fragility Factor Moderately rugged
Boss Height 0.220 inches
Pole Quantity 1
Arc Quenching Method Magnetic blowout
Mounting Facility Type And Quantity 1 threaded hole
Storage Type General purpose warehouse
Thready Qty Per Inch (tpi) 32
Maximum Continuous Load Current Rating Per Pole 20.0 amperes dc single location
Operating Voltage Type And Rating Per Pole In Volts 125.0 dc single location
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps 5000.0 dc single location
Circuit Protection Type Overcurrent single location
Trip Release Method Magnetic-hydraulic single location
Trip Release Characteristic Instantaneous single location
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent 125.0 single location
Reset Method Manual
Main Contact Tripping Mechanism Type Trip free
Manual Actuator Type And Quantity 1 toggle
Actuator Function Trip-reset
Actuator Position Designation At pole one
Internal Trip Release Configuration Series trip single location
Thread Size 0.190 inches
Inclosure Protection Type For Which Designed Moisture resistant and fungus resistant and shock resistant and vibration resistant
Unpackaged Unit Weight 11.000 ounces
Thread Series Designator Unf
Terminal Type And Quantity 2 threaded stud

Part Numbers

Part Number Company RNAAC (Repair Depot)
PX0411TSMG4-20-125VDC EATON CORP TX - DLA LAND AND MARITIME
B40421-2 TELEPHONE COMPANY OF AMERICA TX - DLA LAND AND MARITIME
PX0411TS20-120VDC EATON CORP TX - DLA LAND AND MARITIME