Schneider Electric Merten System Design room temperature controller MTN5775-6036 is a central plate in color stainless steel. This room temperature controller belongs to System Design aesthetic group. Its matching mounting box can be recessed into the surface of the wall with flush type. It is 70 mm in width, 70 mm in height, 15 mm in depth. It reaches IP20 degree of protection too. And it is mercury free. Merten System Design is a modern modular switch range providing a wide range of inserts for a conventional installation with switches, socket-outlets, dimmers, USB chargers, and RJ45 connectors.