Semiconductor contactor Semiconductor contactors for wear-free, silent switching of AC loads such as heating, motors, valves and lighting The cost of investing in this new technology is quickly recovered where high switching rates are used Zero-voltage switching to prevent feedback to the main power grid Integrated temperature monitoring ensures the device is protected from damage caused by excess current In accordance with EN 60 947-4-2, IEC 60 158-2, VDE 0660 part 109 Single-phase or 3-phase design Control input X1 with low power consumption, e.g. for PLC control High switching frequency coupled with long service life Compact construction with integrated heat sink For switching AC loads up to 480V Protection circuit with varistors Temperature monitoring via LED display and semiconductor output (memory preservation) 3 LED displays Top-hat rail mounting **Input** | ---|--- Auxiliary voltage UH (A1/A2): | 24V dc ±10%, 35mA Control input | 3 to 48V dc X1: | 0.5mA at 3 to 10V | 10mA at 10