Overview
The Atlas Copco Contactor for Atlas Copco Air Compressor (part number 1900520492) is the power-switching contactor used in the compressor's control circuit. 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. This is a genuine Atlas Copco part, new and bench-checked, this 1900520492 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so send us your compressor model or serial and we confirm this is the correct controller — including any replacement / superseded part number.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
We can pre-program the unit and migrate your parameters — target pressure, load/unload points, language and any communication options — so it runs correctly the moment it is installed. See controller programming.
FAQ
What is Atlas Copco part number 1900520492?
1900520492 is a genuine Atlas Copco Contactor for Atlas Copco Air Compressor. It belongs to the Control Modules, Boards & Electronics control family. We supply it new, tested and — if needed — pre-programmed.
Will 1900520492 fit my compressor?
This contactor covers the corresponding Control Modules, Boards & Electronics 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differ only in the loaded program, send us your machine model or serial and we confirm the exact match — including any superseded or replacement part number — before you order.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 1900520492 new or refurbished?
We ship 1900520492 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 1900520492 before shipping?
Yes. We program the contactor 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 1900520492?
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.
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