KROHNE OPTISWITCH 3000C Relay EN - Manual (Page 14)

9 Tighten the compression nut of the cable entry, the seal
ring must completely encircle the cable
10 Screw the housing cover back on
The electrical connection is hence finished.
Fig. 7: Connection steps 5 and 6
14 OPTISWITCH 3000 C - with relay output
Connecting to voltage supply
30059
-EN
-060830