Schneider Electric Merten System M cover frame MTN478144 is in color white with 1 gang. This cover frame belongs to M-Smart aesthetic group. This cover frame supports horizontal and vertical mounting. It reaches IP20 degree of protection too. Being made of polycarbonate material, this cover frame is very reliable and resistant. What's more, this cover frame is qualified as a green premium product. And it is mercury free. And it is halogen free. In addition, this cover frame is specially designed for residential, small commercial, facilitating the daily needs easily and safely. System M range is based on 4 different surfaces and materials. With 9 different design variations and over 280 functions, the system can meet any customer demand.