84401853

CIRCUIT BREAKER
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About this product
The 84401853 is an aircraft circuit breaker supplied with TRI-Release paperwork for traceability. It is a resettable protective device used to interrupt and protect electrical circuits from overloads and short circuits. Engineered for aircraft use, the breaker provides a quick, serviceable way to isolate faulty circuits and protect wiring and equipment while being simple to operate in flight-deck and maintenance environments.
84401853 Datasheet
Lead Time: Stock
Certification: TRI RELEASE 8130
UOM: EA
8130/EASA Eligible: Yes
PRODUCT DESCRIPTION

84401853

  • Resettable protection: Trips on overcurrent and can be manually reset to restore a circuit after fault clearance.

  • Reliable trip action: Designed to open the circuit quickly under overload or short conditions to protect wiring and equipment.

  • Durable construction: Built to withstand the vibration and handling typical of aircraft service environments.

  • Panel-mount form factor: Fits standard cockpit or equipment-bay mounting arrangements for easy replacement.


  • Protects lighting, instruments and avionics subcircuits in the cockpit.

  • Safeguards galley power, passenger service outlets and cabin lighting circuits.

  • Provides resettable protection on external power and test panels.

  • Isolates battery feeders and charger outputs during fault conditions.


  • Can I use this breaker as a switch?

Circuit breakers are safety protection devices, not general-purpose switches. Use only as allowed by the aircraft maintenance instructions.

  • Is the breaker suitable for all aircraft circuits?

Use only in circuits and positions specified by the aircraft manufacturer. Verify voltage, current rating, and form factor before installation.

  • How do I select the correct replacement?

Match the part number, form facto,r and electrical rating to the original part or use the OEM parts list/IPC to confirm an approved replacement.


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