Key switch, range: RMQ compact solution, complete device, momentary-action, cable (black) with open end, 4-pin, cable length: 1 m, not suitable for locking systems, 2 positions, locking: MS1, degree of protection: IP66 (front), IP65 (rear), front ring titanium, connection to SmartWire-DT: no, 1 Ö, = safety function, through positive opening to IEC/EN 60947-5-1, travel of operating unit and actuating force to DIN EN 60947-5-1, K.5.4.1 Forced opening travel: mm 4.65, travel of the operating element and actuating force to DIN EN 60947-5-1, K.5.4.1 Maximum travel: mm 5.7, travel of the operating element and actuating force to DIN EN 60947-5-1, K.5.4.1 Minimum force for positive opening: N 20, positive opening (ZW): yes, with 1 key, standards and regulations: IEC/EN 60947-5-1, VDE 0660, degree of protection: IP66 (front), IP65 (rear).