UC switching and control relays. No standby loss. The latest hybrid technology combines the advantages of wear-free electronic control with the high power of special relays. Low switching noise. Control display with LED. Integrated free-wheeling/suppression diode (A1 = +, A2 = -). Safe isolation according to VDE 0106, part 101, can therefore also be used as coupling relays. By using a bistable relay, there is no coil power loss and no heating thereby even when the relay is switched on. The relay contact can be open or closed during commissioning and synchronizes itself during the first operation. This relay is not suitable for feedback with the switching voltage of a dimmer switch. The electronics have no own power supply and therefore no standby loss. Only when the control contact is closed is the micro-controller activated, which switches the bistable relay in the right direction. When the control contact is opened or the control voltage drops, it is switched back.This text is machine translated.