TRANSFORMER RECTIFIER UNIT (P/N 261000B) - As Removed

The 261000B is a transformer rectifier unit (TRU) that converts aircraft AC power—typically 115 VAC at 400 Hz—into 28 VDC for electrical distribution. This unit supplies the main DC bus and avionics systems in general aviation and commercial aircraft. The TRU qualifies to RTCA DO-160 environmental standards for airborne equipment.

Installation follows the applicable aircraft maintenance manual and wiring diagrams, with connection to AC power sources and DC bus distribution points. Reliable power conversion ensures continuous operation of critical aircraft electrical systems.

What is the TRANSFORMER RECTIFIER UNIT (P/N 261000B)?

The 261000B is a transformer rectifier unit (TRU) that converts aircraft AC power—typically 115 VAC at 400 Hz—into 28 VDC for electrical distribution. This unit supplies the main DC bus and avionics systems in general aviation and commercial aircraft.

Is the 261000B compatible with my aircraft's avionics suite?

Avionics compatibility depends on your aircraft model and existing installation. The TRANSFORMER RECTIFIER UNIT is available in: As Removed. We recommend checking your aircraft's wiring diagrams and STC documentation, or contact our avionics team for compatibility assistance.

Does the 261000B 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 261000B?

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.