A-281C Replacement SMX II Power Logic Control Board | 85 To 240 Volts

A-281C Control Board

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Replacement OEM A/C Controls   -   Improved Micro-Air Marine Redesigns

Better Than The Originals

Identical Operation

Newly Manufactured



The A-281C Control Board is part of a legacy DX cabin control system sold in the mid-1990s. This is a newly manufactured, footprint-compatible replacement that operates identically. The display interface can either be the legacy, 4-conductor cable with a Molex connector on each end, or it can be the newer 6-conductor RJ-12 cable with straight-through wiring.


Product FAQs:

Can these boards be used for new installations?

No these boards replace existing installations only.

Which boards do they replace?

  • ASY-509 replaces A-288D
  • ASY-555 replaces A281-C
  • ASY-426 replaces A-282

Is the board a direct replacement?

Yes it looks slightly different from the original board but the connections and mountings are all the same.

Are these boards dual voltage?

Yes they operate from 85 to 240 volts AC.