The EB1101SR is an electronic control unit manufactured by ELTA. It is a 4-channel, 100W AC motor speed control module. It is designed to control the speed of up to four synchronous AC motors simultaneously. The EB1101SR features a built-in opto-isolator for isolation protection and overload protection, as well as adjustable reset delay time and smooth speed profile from low to high. It also has a wide range of input voltage and frequency. The EB1101SR is well suited for a variety of industrial applications, such as fans, cooling systems, pumps, compressors and industrial machinery.