For use in key switches. Listing is key. Print/labelling, does not have a print. Use all of switch/button. Suitable for bus system Tasteran pairing is no. Attachment Type is screw fastening. Level window/Light is no. Material is Metal. Material quality is other. Halogen-free is Yes. With a other surface. Design of the surface is not applicable. Colour is other. With labelling field is no. With interchangeable lens/symbol is no. Suitable for protection class (IP) IP20 Assorted gira profile half cylinder Assorted 0001004010337001003