Contact extension with off-delay, for extending the contacts on safety logic modules and time function, single-channel operation monitored, supply voltage 24VDC, 4 enabling current paths (IEC/EN 60204 stop category 1) - the maximum stop category of the basic device according to IEC 61508 and IEC 60204 is achieved, 2 signaling current paths, contact protection according to EN 50274 when operated vertically from the front, finger and back of the hand safe, suitable for PL d, Cat. 3 according to EN ISO 13849-1 / SILCL3 according to IEC 62061 / SIL3 according to IEC61508