BREAKER, CIRCUIT, 20 AMP (P/N 7277-2-20) - New Surplus
P/N: 7277-2-20
Category: Circuit Breakers & Fuses
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 | 4 Available |
Product Description
The 7277-2-20 is a Klixon thermal circuit breaker rated 20 amps for single-phase aircraft electrical systems. This trip-free breaker protects 28 VDC or 120 VAC, 400 Hz circuits from overcurrent conditions. Installed in aircraft breaker panels, it provides primary circuit protection and automatically disconnects power when current exceeds the 20-amp threshold.
The -2 style mounts per OEM wiring diagrams using standard panel cutouts. Verify amperage rating and mounting configuration against 7277 series documentation before installation or replacement.
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, CIRCUIT, 20 AMP (P/N 7277-2-20)?
The 7277-2-20 is a Klixon thermal circuit breaker rated 20 amps for single-phase aircraft electrical systems. This trip-free breaker protects 28 VDC or 120 VAC, 400 Hz circuits from overcurrent conditions.
Is the 7277-2-20 compatible with my aircraft's avionics suite?
Avionics compatibility depends on your aircraft model and existing installation. The BREAKER, CIRCUIT, 20 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 7277-2-20 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 7277-2-20?
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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