Advantech's ADAM-4069 is designed for on/off control in high-voltage applications. The major feature of ADAM-4069 is its power relay rating at 240 V AC and 5 A. This range can satisfy most requirements for driving externally controlled devices such as lights, fans, alarm systems, and various electronic devices in industrial automation, security, building and home automation applications. ADAM-4069 also supports the Modbus/RTU protocol and ADAM ASCII commands. Besides, it provides four form A channels and four form C channels.