NSA931300-020

BREAKER
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About this product
The NSA931300-020 is a factory-new aircraft circuit breaker supplied with traceable paperwork. A breaker protects electrical circuits by opening (tripping) when an overcurrent or short occurs, preventing damage to wiring and equipment. This unit is the OEM replacement where the aircraft IPC/AMM or wiring diagram lists NSA931300-020.
NSA931300-020 Datasheet
Lead Time: Stock
UOM: EA
Hazardous Item: Non-Hazardous Item
8130/EASA Eligible: Yes
International Shipping: Available
PRODUCT DESCRIPTION

NSA931300-020

  • Traceable supply: Supplied with trace paperwork (lot/trace data) to support maintenance records and audits.

  • OEM form-fit: Manufactured to the size and mounting style required for direct replacement in the specified panel or rack.

  • Circuit protection: Opens the circuit on overloads or short circuits to protect wiring and downstream equipment.

  • Clear trip indication: Provides a visible or tactile indication when tripped so the faulted circuit can be identified.


  • Protects flightdeck panel circuits such as instrument lighting and non-critical avionics loads.

  • Guards avionics sub-buses and individual LRU feeds from overload and short circuit damage.

  • Secures cabin systems, including galley, passenger convenience, and interior lighting circuits.

  • Protects pumps and fans used in ECS, cabin ventilation, or lavatory extract systems.


  • How do I tell if the breaker has tripped?

Most breakers provide a visible trip position or mechanical indicator; follow the AMM to verify status and the cause of the trip.

  •  How should I inspect the breaker before installation?

Check the trace paperwork and part number, inspect for housing cracks, corrosion or damaged terminals, and ensure the actuator/knob operates smoothly.

  • Can a tripped breaker be reused?

Yes, if the root cause is corrected and the breaker passes the AMM functional/inspection requirements, replace it if damaged or if tests fail.


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