Contact element, connection technology: screw terminals, fastening: base fastening, description: the normally open contact is actuated when the button is mounted., contact configuration S = normally open contact: 1 S, contact configuration Ö = normally closed contact: 1 Ö, contact configuration Note: = safety function, through positive opening in accordance with IEC/EN 60947-5-1, travel of the operating part and actuation force in accordance with DIN EN 60947-5-1, K.5.4.1 positive opening travel: mm 4.8, maximum travel: mm 5.7, minimum force for positive opening: N 15, protection class: IP20, connection to SmartWire-DT: no, standards and regulations: IEC 60947-5-1