CONTRACTOR RELAY (P/N a-703) - New Surplus
P/N: a-703
Category: Relays
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 | 1 Available |
Product Description
The a-703 is a contractor relay for switching high-current DC circuits in aircraft electrical systems. This electromagnetic relay remotely connects battery and starter power feeds through the master switch, isolating pilot controls from heavy-gauge power leads. Manufactured to MIL-PRF-6106 aerospace standards, it handles the switching demands of engine start and primary electrical distribution.
Installation requires routing per aircraft maintenance manual specifications and FAA AC 43.13-1B acceptable practices. Commonly found in general aviation and corporate aircraft electrical systems.
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 CONTRACTOR RELAY (P/N a-703)?
The a-703 is a contractor relay for switching high-current DC circuits in aircraft electrical systems. This electromagnetic relay remotely connects battery and starter power feeds through the master switch, isolating pilot controls from heavy-gauge power leads.
Is the a-703 compatible with my aircraft's avionics suite?
Avionics compatibility depends on your aircraft model and existing installation. The CONTRACTOR RELAY 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 a-703 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 a-703?
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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