2CH 10A Flush- mounted Switching Actuator (EU) is a smart relay executive module installed in the wall box of the European standard panel. It has the characteristics of exquisite structure and rich circuits. The actuator adopts HDL Buspro protocol 485 Bus communication control, with 2CH 10A relay control channel(s), 4 dry contact signal input channels and 4 LED signal output channels. In conjunction with the corresponding dry contact panel, the actuator enables smart control of electrical devices, for example, home lighting,curtain, fan, sockets, etc.