The switch is designed for maximum rated voltage of 250 V with a frequency of 50 Hz AC. Button and a protective plate is made of composite materials of white color, is safe for human health. The mechanism of high quality assembled, all clamps, screws, terminals are fixed, do not lend themselves to mechanical influences such as vibration. Resistant to breakdown current. Installation always begins with the power off. Installation is very simple, but if you have no special training is necessary to call a specialist. Mounted in the appropriate place in the walls. Is used in all areas of residential, commercial, industrial. Reliability is guaranteed by the European production standards. Does not change its performance characteristics when aggressive temperatures from -20 to +40. It has a long life, as high-quality materials are used. Designed for single-connection circuit.