The most important feature of this product family is its modular structure. According to which you can change a one pole switch to another one or a normal switch for a switch with pilot light when demand has changed. After all, great advantage of this family is that every item takes half space of an avarage switch except the socket. You can use at most seven elements and there are five other metal colours in addition to the basic white colour. Next to their perfect quality they have competitive prices.