Description of the individual safety relays
3.6 3TK28 safety relays with relay enabling circuits
3TK28 safety relays
54 Manual, 07/2016, NEB926157502000/RS-AB/003
Connection examples 3TK2822 / 3TK2823
Figure 3-12 Autostart (2-channel)
Figure 3-13 Monitored start (2-channel)