Description of the individual safety relays
3.8 3TK28 safety relays with contactor relay enabling circuits
3TK28 safety relays
140 Manual, 07/2016, NEB926157502000/RS-AB/003
Connection examples 3TK2805/ 3TK2806
Connection examples 3TK2805
Figure 3-65 Monitored start; EMERGENCY STOP (2-channel)