CKT BREAKER PS50120-4-40 (P/N 454-635) - As Removed

The 454-635 is a PS50120-4-40 circuit breaker for Piper aircraft electrical systems. This overcurrent protection device safeguards aircraft electrical feeders and equipment from excessive current draw. Installed on aircraft electrical panels, it automatically disconnects power when circuit current exceeds rated limits, preventing electrical fires and component damage.

The breaker integrates with Piper wiring systems and follows PS50120-4 series specifications. Installation requires verification against your aircraft's Illustrated Parts Catalog and applicable Piper maintenance documentation to ensure proper amperage rating and panel compatibility.

What is the CKT BREAKER PS50120-4-40 (P/N 454-635)?

The 454-635 is a PS50120-4-40 circuit breaker for Piper aircraft electrical systems. This overcurrent protection device safeguards aircraft electrical feeders and equipment from excessive current draw.

Is the 454-635 compatible with my aircraft's avionics suite?

Avionics compatibility depends on your aircraft model and existing installation. The CKT BREAKER PS50120-4-40 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 454-635 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 454-635?

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.