Mushroom pushbutton, range: RMQ-Titan, single device, design: mushroom, latching, mushroom color: black, button plate: white, labeled, protection class: IP66, IP67, IP69K, front ring titanium, connection to SmartWire-DT: yes, with RMQ-SWD connections, front dimensions: 22 x 22, function: latching, notes: latching/pushbutton function can be changed on the device, standards and regulations: IEC/EN 60947, VDE 0660