The E5L-A-30-20 is a programmable controller from Omron. It is a single-phase AC power source with a current rating of 30 Amps and a voltage rating of 20 Volts. It is a compact, yet powerful programmable logic controller with a wide range of features, including a built-in real-time clock, analog/digital I/O, expansion capabilities, and flexible programming options. The E5L-A-30-20 is suitable for use in a variety of industrial applications, from building automation to process control. Additionally, this controller is easy to install and use, making it an ideal choice for many applications.