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BREAKER (CB85) (P/N 1963957) - New Surplus

P/N: 1963957

Category: Circuit Breakers & Fuses

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In Stock (21 available)
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This product requires a custom quote. Please contact our sales team for pricing information or submit an RFQ (Request for Quote).

Available Inventory

Condition Stock
New Surplus 21 Available

Product Description

The 1963957 is a resettable aircraft circuit breaker (CB85) designed for overcurrent protection in electrical power distribution systems. This trip-free breaker conforms to SAE AS58091 specifications and automatically opens when fault current is detected, protecting circuits from electrical damage. Installed in aircraft electrical panels near power sources, it can be manually reset after inspection once the fault condition is cleared.

Meets FAA AC 43.13-1B circuit protection requirements for general and commercial aviation installations.

Please note: Product descriptions are provided for informational purposes. Always refer to your aircraft's Illustrated Parts Catalog (IPC) to verify part compatibility and specifications.

Frequently Asked Questions

What is the BREAKER (CB85) (P/N 1963957)?

The 1963957 is a resettable aircraft circuit breaker (CB85) designed for overcurrent protection in electrical power distribution systems. This trip-free breaker conforms to SAE AS58091 specifications and automatically opens when fault current is detected, protecting circuits from electrical damage.

Is the 1963957 compatible with my aircraft's avionics suite?

Avionics compatibility depends on your aircraft model and existing installation. The BREAKER (CB85) is available in: New Surplus. We recommend checking your aircraft's wiring diagrams and STC documentation, or contact our avionics team for compatibility assistance.

Does the 1963957 come with an 8130-3 airworthiness tag?

Availability of an FAA 8130-3 tag depends on the part condition. Overhauled and repaired units typically include 8130-3 documentation. As-removed units may include a removal tag with trace history. Contact us for specific documentation on the condition you need.

Do you offer bench testing for the 1963957?

We can arrange bench testing through our network of FAA-certified repair stations. Call (904) 998-9101 for testing availability and turnaround times, or submit an RFQ with your specific requirements.

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