CONVERTER AY-POWER (P/N 0518021-1) - New Surplus

The 0518021-1 is a DC-DC power converter that steps 28-volt aircraft bus power down to 14-volt DC for avionics and equipment loads. This converter assembly enables compatibility between high-voltage and low-voltage electrical systems commonly found in general aviation aircraft. Installation follows aircraft maintenance manual or STC requirements with verification against the Illustrated Parts Catalog for system compatibility.

Astron-referenced conversion technology provides reliable voltage regulation for 14-volt avionics, instruments, and accessories powered from the primary 28-volt bus.

What is the CONVERTER AY-POWER (P/N 0518021-1)?

The 0518021-1 is a DC-DC power converter that steps 28-volt aircraft bus power down to 14-volt DC for avionics and equipment loads. This converter assembly enables compatibility between high-voltage and low-voltage electrical systems commonly found in general aviation aircraft.

Is the 0518021-1 compatible with my aircraft's avionics suite?

Avionics compatibility depends on your aircraft model and existing installation. The CONVERTER AY-POWER 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 0518021-1 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 0518021-1?

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.