ELECTRONIC MASTER BOX (P/N 2502-2) - Serviceable

The 2502-2 is an electronic master box that consolidates DC power management and main bus distribution for aircraft electrical systems. This enclosure houses master switching and contactors, routing power from the battery and alternator to the primary bus during engine start, flight operations, and maintenance. Installed between the battery/alternator contactors and main bus, it provides centralized control of system power distribution.

Installation and wiring must follow the aircraft maintenance manual and FAA AC 43.13-1B acceptable methods for proper integration with existing electrical architecture.

What is the ELECTRONIC MASTER BOX (P/N 2502-2)?

The 2502-2 is an electronic master box that consolidates DC power management and main bus distribution for aircraft electrical systems. This enclosure houses master switching and contactors, routing power from the battery and alternator to the primary bus during engine start, flight operations, and maintenance.

Is the 2502-2 compatible with my aircraft's avionics suite?

Avionics compatibility depends on your aircraft model and existing installation. The ELECTRONIC MASTER BOX is available in: Serviceable. We recommend checking your aircraft's wiring diagrams and STC documentation, or contact our avionics team for compatibility assistance.

Does the 2502-2 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 2502-2?

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.