ELTAKO Impulse Switch, 1 N/O Contact, Potential-Free, 16A/250V AC – 21100002

1 NO contact, potential-free 16A/250V AC, 230V LED lamps up to 600W, incandescent lamps 2000W. No standby loss. Modular device for mounting on DIN-EN 60715 TH35 mounting rail. 1 module = 18mm wide, 58mm deep. With the patented ELTAKO duplex technology (DX), the normally potential-free contacts can switch at zero crossing when switching 230V AC 50Hz, drastically reducing wear. To do this, simply connect the N-conductor to terminal (N) and L to 1 (L). This results in a standby loss of only 0.1 Watt. If the contact is used to control switching devices that do not switch at zero crossing themselves, (N) should not be connected, as the additional closing delay would otherwise have the opposite effect. Either universal control voltage 12..230V UC at control input +A1/-A2 or 230V with up to 5mA glow lamp current at control input (L)/-A2(N). The simultaneous use of two potentials at the control inputs is not permitted. Very low switching noise. No continuous power supply required, therefore no standby loss. State-of-the-art hybrid technology combines the advantages of wear-free electronic control with the high performance of special relays. Due to the use of a bistable relay, there is no coil power loss and no heating in the switched-on state. The relay contact can be open or closed during commissioning and synchronizes itself with the first operation. The terminal assignment is identical to the electromechanical impulse switch S12-100-. If this impulse switch is in a circuit monitored by a field disconnector FR12-230V, no additional base load is required. However, the monitoring voltage of the FR12-230V must be set to max and control is only via A1-A2. The electronics have no dedicated power supply and therefore no power consumption in either contact position. Only during the short control impulse of only 0.2 seconds does the control current flow, which activates the microcontroller. It reads the last switching state from its non-volatile memory, switches the bistable relay accordingly in the opposite direction and writes the new switching state back into the memory.