BREAKER, CIRCUIT (P/N 7277-5-5) - As Removed, Serviceable

The 7277-5-5 is a miniature thermal circuit breaker rated at 5 amps, designed to protect low-ampere AC and DC control circuits in aircraft electrical systems. This Klixon 7277 series breaker features push-to-reset operation and trip-free action, automatically disconnecting power when current exceeds the rated threshold. Constructed for lightweight, vibration-resistant performance typical of aircraft panel installations.

Mount directly on aircraft panels to protect individual circuit feeders. Installation requires compliance with aircraft maintenance manual specifications and wiring diagram requirements.

What is the BREAKER, CIRCUIT (P/N 7277-5-5)?

The 7277-5-5 is a miniature thermal circuit breaker rated at 5 amps, designed to protect low-ampere AC and DC control circuits in aircraft electrical systems. This Klixon 7277 series breaker features push-to-reset operation and trip-free action, automatically disconnecting power when current exceeds the rated threshold.

Is the 7277-5-5 compatible with my aircraft's avionics suite?

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

Does the 7277-5-5 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 7277-5-5?

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.