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THREE AXIS TRIM RELAY BOARD

$134.95/Each
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Part# 11-02043

Overview

These Trim Relay Boards allow control of an aircraft’s trim motors from the typical switches found in most stick grips. As the switches in the grips are too small to handle the motor loads and usually do not have the required number of poles, the ‘TRB’ offers a simple, elegant solution that is easy to wire and understand. The boards have a per axis rating of 10A at 12 volts, (24V units are also available).

Specifications

  • 5.60”L x 4.00”W x 1.00”H
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Reviews

Pretty slick little package. I only have 2 axis trim, but got this 3 axis board when one of the positions goes bad, there’ll be a spare at the ready. The only problem that I can’t find is there’s no mention of circuit protection value.

Dave G Verified Purchase

3 AXIS 12V TRIM RELAY BOARD

July 21, 2021

Nice product, works well, I used two of its relay circuits for 1 older trim system requiring two 12 Volt sources ,1 relay for reverse 1 relay for forward with grounding to the motor case and to the Relay board Ground. Trim motor is from a 1969 Lincoln Continental convertible Top drive motor and trim system is for a homebuilt Smyth Sidewinder. The only issue is that the bottom of the Board is not protected by a plastic or wood insulation, they do warn you with the appropriate placards.

Daniel F
May 27, 2017

Q&A

Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

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