Description of the individual safety relays
3.7 3TK28 safety relays with solid-state enabling circuits
3TK28 safety relays
134 Manual, 07/2016, NEB926157502000/RS-AB/003
Figure 3-60 EMERGENCY STOP, monitored start (1-channel)
Frequency converter without safety function
Figure 3-61 Light array monitoring, (2-channel) without cross-circuit detection
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