Electronic impulse switch with 1 channel/contact (normally open), potential-free multi-voltage input (8 V to 230 V), convenient light control of a common consumer with several buttons possible, particularly quiet operation of the installation remote switch, high glow lamp load up to 100 mA, automatic 3-/4-wire detection of the impulse switch, potential-free with protective extra-low voltage (SELV), lamp-friendly thanks to zero-crossing switching for high LED switching power (600 W), stand-by consumption of the impulse relay of only 0.3 W