CIRCUIT BREAKER-3 AMP (P/N 7271-8-3) - New Surplus

The 7271-8-3 is a 3-amp thermal circuit breaker from Klixon's 7271 series, qualified to MIL-C-5809 standards. It protects 28 VDC or 115 VAC, 400 Hz aircraft electrical circuits with push-to-reset operation and trip-free design that interrupts power during overcurrent conditions. The breaker features neck mounting for panel installation and responds to thermal overloads without nuisance trips caused by transient surges.

Commonly used in avionics feeds and general aircraft electrical protection. Install using specified neck mounting hardware and torque per aircraft maintenance manual.

What is the CIRCUIT BREAKER-3 AMP (P/N 7271-8-3)?

The 7271-8-3 is a 3-amp thermal circuit breaker from Klixon's 7271 series, qualified to MIL-C-5809 standards. It protects 28 VDC or 115 VAC, 400 Hz aircraft electrical circuits with push-to-reset operation and trip-free design that interrupts power during overcurrent conditions.

Is the 7271-8-3 compatible with my aircraft's avionics suite?

Avionics compatibility depends on your aircraft model and existing installation. The CIRCUIT BREAKER-3 AMP 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 7271-8-3 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 7271-8-3?

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.