NSA931300-030

CIRCUIT BREAKER
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About this product
The NSA931300-030 is a factory-new aircraft circuit breaker supplied with traceable documentation for certified maintenance. Designed as a protective device for electrical circuits, it provides reliable overcurrent protection and a manual reset capability to isolate and safeguard wiring, components, and equipment. Manufactured to aviation workmanship standards, the unit is intended for direct replacement where the aircraft IPC/AMM or equipment drawing lists this part number.
NSA931300-030 Datasheet
Lead Time: Stock
Certification: TRACE
UOM: EA
8130/EASA Eligible: Yes
PRODUCT DESCRIPTION

NSA931300-030

  • Reliable overcurrent protection: Trips to protect wiring and equipment from sustained overloads or short circuits when installed correctly.

  • Manual reset function: Allows crews or technicians to reset the circuit after a trip, following the aircraft procedures.

  • Panel-mount ready: Designed for standard panel or rack installation to blend with cockpit, cabin, or equipment-bay layouts.

  • Durable construction: Built to withstand vibration, temperature variation, and normal aircraft environmental exposure.


  • Protects aircraft electrical distribution buses and isolates faults during flight or ground checks.

  • Safeguards radios, navigation units, and displays from overloads in equipment bays and instrument panels.

  • Used on cabin, galley, and panel lighting circuits to prevent damage from shorted fixtures.

  • Protects galley power feeds and passenger-service outlets during catering and turnarounds.


  • Can I reset a tripped breaker in flight? 

Follow the aircraft QRH and operating procedures. Some breakers may be reset once; others must not be reset in flight. Always adhere to the OEM procedures.

  • Is this breaker reusable after a fault?

Yes, after inspecting the device and rectifying the fault cause, the breaker may be reset or reused if it passes the functional checks and the AMM allows.


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