
Overview
The Atlas Copco Elektronikon Mk5 I/O2 Expansion Module for Atlas Copco Air Compressor (part number 1900520032) adds analogue/digital I/O channels to the Elektronikon controller. It is a control-system component that works together with the Elektronikon controller rather than replacing the whole panel.
Replace it when the original is damaged, throwing persistent controller errors, or no longer holding its settings. Supplied new, genuine and tested, this 1900520032 is a direct replacement for the original unit.
Part of the Control Modules, Boards & Electronics range. Not sure this is the right part? Use our compatibility check or learn how to identify your controller.
Compatibility
Used together with Elektronikon Mk5-family controllers. Exact fitment varies by machine build, so send us your compressor model or serial and we confirm this is the correct controller — including any replacement / superseded part number.
Programming & setup
Order it programmed to your compressor and it arrives ready to run; send us your model and serial and we handle the parameter setup. See controller programming.
FAQ
What is Atlas Copco part number 1900520032?
1900520032 is a genuine Atlas Copco Elektronikon Mk5 I/O2 Expansion Module for Atlas Copco Air Compressor. It belongs to the Elektronikon Mk5 control family. We supply it new, tested and — if needed — pre-programmed.
Will 1900520032 fit my compressor?
This i/o expansion module covers the corresponding Elektronikon Mk5 machines. Because controllers in the same generation share hardware and differ only in the loaded program, send us your machine model or serial and we confirm the exact match — including any superseded or replacement part number — before you order.
Is 1900520032 new or refurbished?
We ship 1900520032 as a new, genuine and tested unit. A limited number of refurbished units may be available on request — just ask when you enquire.
Can you program 1900520032 before shipping?
Yes. We program the i/o expansion module and migrate your parameters (target pressure, load/unload set points, language, timers and communication modules) so it runs the moment you install it.
What is the warranty and lead time on 1900520032?
New units are covered by warranty and most ship quickly worldwide. Contact us with your quantity for current lead time and pricing.
Helpful guides
Request a Quote
Send us the part number or your machine model/serial — we confirm the correct controller and quote fast.
Related — Control Modules, Boards & Electronics





