The Atlas Copco 1900520020 (also referenced as 1900‑5200‑20) is a controller panel designed for use with Atlas Copco industrial compressors. This unit provides comprehensive monitoring, control, and diagnostic functions for compressed air systems, enabling operators to optimize performance, reduce energy consumption, and ensure reliable operation.
This controller panel is part of the Elektronikon family, featuring a graphical or alphanumeric display (depending on the variant) that shows key parameters such as pressure, temperature, motor current, and runtime. It includes programmable control logic for load/unload, sequencer for multiple compressors, and alarm management. The panel is designed as a direct replacement or upgrade for existing compressor controllers.
Intuitive display for real‑time monitoring
Programmable control algorithms for energy efficiency
Sequencer functionality for multi‑compressor systems
Alarm and event logging for diagnostics
Communication ports for remote connectivity
Easy installation and configuration
Robust design for industrial environments
Display: Graphical or alphanumeric LCD (model‑dependent)
Communication: Modbus RTU (RS‑485), optional Ethernet
Inputs/Outputs: Analog (4‑20mA, 0‑10V) and digital I/O
Power Supply: 110‑240 VAC or 24 VDC
Protection Class: IP54
Operating Temperature: 0°C to 50°C
Dimensions: Panel mount (standard cutout)
This controller panel is used with Atlas Copco rotary screw, piston, and centrifugal compressors in industries such as manufacturing, automotive, pharmaceuticals, and energy.
Modbus communication allows integration with plant SCADA and building management systems. Remote access enables off‑site monitoring and support.
Replace the old panel or install in a new cabinet, connect power and sensor wiring, and configure parameters via the interface. Regular software updates and sensor calibration are recommended.
The Atlas Copco 1900520020 controller panel delivers reliable, intelligent control for industrial compressors, enhancing efficiency and uptime.



