P/N: 70-903
Category: Relays
This product requires a custom quote. Please contact our sales team for pricing information or submit an RFQ (Request for Quote).
| Condition | Stock |
|---|---|
| As Removed | 1 Available |
The 70-903 is a relay/solenoid that switches high-current power using a low-current control signal. This component serves as the battery master contactor on Cessna aircraft, connecting the main electrical bus to the battery. The relay operates on standard aircraft voltage and meets MIL-PRF-6106 performance standards for aviation electrical switching.
Installation requires mounting per the aircraft maintenance manual and wiring diagram specifications. Verify proper voltage rating and secure positioning in the designated location before connecting control and power leads.
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.
The 70-903 is a relay/solenoid that switches high-current power using a low-current control signal. This component serves as the battery master contactor on Cessna aircraft, connecting the main electrical bus to the battery.
Avionics compatibility depends on your aircraft model and existing installation. The RELAY/SOLENOID is available in: As Removed. We recommend checking your aircraft's wiring diagrams and STC documentation, or contact our avionics team for compatibility assistance.
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.
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.