Pushbutton, Product range: RMQ-Titan, Single unit, Design: flat, maintained, Degree of Protection: IP66, IP67, IP69, Front ring stainless steel, Connection to SmartWire-DT: yes, with SWD-RMQ connections, Front dimensions: Ø 36 x 3mm, Instructions: Stay-put/spring-return function can be changed on device, Standards: IEC/EN 60947, VDE 0660