CKT BREAKER PS50120-4-41 (P/N 454-636) - As Removed

The PS50120-4-41 is a resettable circuit breaker providing overcurrent protection in aircraft electrical systems. This trip-free device automatically interrupts power when current exceeds rated capacity, safeguarding avionics branch circuits and wiring from damage. Designed to MIL-C-5809 aerospace standards, it resets manually after activation without requiring component replacement.

Install per aircraft wiring diagrams and AC 43.13-1B guidance, verifying compatibility with your aircraft's Illustrated Parts Catalog before installation.

What is the CKT BREAKER PS50120-4-41 (P/N 454-636)?

The PS50120-4-41 is a resettable circuit breaker providing overcurrent protection in aircraft electrical systems. This trip-free device automatically interrupts power when current exceeds rated capacity, safeguarding avionics branch circuits and wiring from damage.

Is the 454-636 compatible with my aircraft's avionics suite?

Avionics compatibility depends on your aircraft model and existing installation. The CKT BREAKER PS50120-4-41 is available in: As Removed. We recommend checking your aircraft's wiring diagrams and STC documentation, or contact our avionics team for compatibility assistance.

Does the 454-636 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 454-636?

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.