Push-button, RMQ compact, complete device, Design: flat, momentary-action, Connection type: screw connection, Push-button plate: black, Push-button plate unlabelled, Labelling: none, Protection rating: IP66, IP67, IP69K, Front ring black, Connection to SmartWire-DT: no, contact configuration NC = NC contact: 2 NC contacts, contact configuration Note: = safety function, through positive opening in accordance with IEC/EN 60947-5-1, travel of operating element and actuating force in accordance with DIN EN 60947-5-1, K.5.4.1 Positive opening travel: mm 4.65, maximum travel: mm 5.7, minimum force for positive opening: N 30, positive opening (ZW): yes, standards and regulations: IEC/EN 60947-5-1, VDE 0660.