Schneider Electric Merten inserts MTN3715-0000 in color is a 1 pole switch.The device’s fixing mode is by screws and claws.Its matching mounting box can be recessed into the surface of the wall with flush type.It reaches IP20 degree of protection too.The switch is made of metal, plastic, making it as resistant as possible.As a green premium product, this device is environmentally friendly as well. And it is mercury freeMerten inserts can be used in any kind of CEE60 installation, with help of surface boxes and IP 44 solutions all applications.Merten Inserts can be combined with all various centerplates and outerframes designs of Merten System M, Merten Artec, Merten Antique.