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1. Wiring Plan

Connecting to power supply

Contactless electronic

switch

Fig. 7: Connection, valve plug DIN 43650

Pressure screw

Pressure disc

Seal ring

Fixing screw

Seal washer

Plug housing

Plug insert

Proﬁle seal

Control lamp

10 SITRANS LVL100

We recommend connecting SITRANS LVL100 in such a way

that the switching circuit is open when there is a level signal,

line break or failure (safe condition).

Warning:

The instrument must not be operated without an intermediately

connected load, because the electronics would be destroyed if

connected directly to the mains. It is not suitable for connection

to low voltage PLC inputs.

For direct control of relays, contactors, magnet valves, warning

lights, horns etc.

Domestic current is temporarily lowered below 1 mA after

switching oﬀ the load so that contactors, whose holding current

is lower than the constant domestic current of the electronics

(3 mA), are reliably switched oﬀ.

SITRANS LVL100 l CONTACTLESS ELECTRONIC SWITCH