Reliance Electric 45C20 Automax A20 programmable controller is a 120/240 VAC PLC designed for industrial automation tasks. It provides a front-face DB-25 communications connector for remote programming and diagnostics, with baud-rate options including 1200 baud or the standard 9600 baud default. The unit is rated for 50/60 Hz operation and is part of Reliance Electric's Automax/Automate family used in legacy automation systems that require a compact, modular controller powered by 120/240 VAC.
