Schneider Electric Merten dimmer MTN5171-0000 is a insert, whose dimmer type is universal. Its protection type is electronic short-circuit and automatic overload protection, taking care of your safety as much as possible. Its fixing mode is by screws and claws. It is 73 mm in width, 73 mm in height, 28 mm in depth. Its matching mounting box can be recessed into the surface of the wall with flush type. Besides, the IP rating of this device is IP20. And it is mercury free.Besides it is halogen free halogen free, which is good for your health. With over 125 functions, Merten offers high-quality materials used and carefully conceived colour combinations for frames and inserts. Merten solutions are prepared for any kind of installations in residential living and all non residential applications like schools, offices, hotels.