Overview
The Atlas Copco Control Unit LP for Atlas Copco Portable Air Compressor (part number 1900100345) manages the compressor's start/stop, load/unload and pressure regulation. As an Xc portable-compressor unit it is designed for the vibration and temperature range of towable diesel machines.
Typical reasons to replace it are a blank or frozen display, a controller that won't power up, an unresponsive keypad, or repeated communication / sensor faults. This is a genuine Atlas Copco part, new and bench-checked, this 1900100345 is a direct replacement for the original unit.
Part of the Portable Compressor Controllers (Xc series) range. Not sure this is the right part? Use our compatibility check or learn how to identify your controller.
Compatibility
Typically fitted to Atlas Copco XAS / XATS portable (Xc) diesel compressors. 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so send us your compressor model or serial and we confirm this is the correct controller — including any replacement / superseded part number.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 1900100345?
1900100345 is a genuine Atlas Copco Control Unit LP for Atlas Copco Portable Air Compressor. It belongs to the Portable (Xc series) control family. We supply it new, tested and — if needed — pre-programmed.
Will 1900100345 fit my compressor?
This control unit lp covers the corresponding Portable (Xc series) 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differ only in the loaded program, send us your machine model or serial and we confirm the exact match — including any superseded or replacement part number — before you order.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 1900100345 new or refurbished?
We ship 1900100345 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 1900100345 before shipping?
Yes. We program the control unit lp 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 1900100345?
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 — Portable Compressor Controllers (Xc series)
