KROHNE OPTISWITCH 3300C Contactless EN - Manual (Page 18)

1
4 4 4
2 3
Fig. 9: Material versions, single chamber housing
1 Plastic (not with EEx d)
2 Aluminium
3 Stainless steel (not with EEx d)
4 Filter element for pressure compensation (not with EEx d)
3
4
5
1
2
Fig. 10: Electronics and connection compartment
1 Potentiometer for switching point adaptation (covered)
2 DIL switch for mode adjustment
3 Ground terminal
4 Screwed terminals
5 Control lamp
We recommend connecting OPTISWITCH 3300 C in such a
way that the switching circuit is open when there is a level
signal, line break or failure (safe condition).
The contactless electronic switch is always shown in non-
operative condition.
The instrument is used for direct control of relays, contactors,
magnet valves, warning lights, horns etc. It must not be
operated without an intermediately connected load, because
Housing overview
Electronics and connection
compartment
Wiring plan
18 OPTISWITCH 3300 C - with contactless electronic switch
Connecting to voltage supply
29960
-EN
-060830