Kessel SG 400 V Mono Original Operation Manual page 53

4.4.3 Connecting the level sensors
Mono/Duo level sensor (non-ATEX)
Connect the ends of the level sensor's leads to terminal [9].
The level sensor's connection is identical for both Mono and Duo systems.
Only level sensors without an ATEX requirement may be connected to
the terminal block for float switches.
010-532_05
Overview of connections for the level sensor
Wire colour
red
black
Note: When extending the cable of the level sensor use
KESSEL-junction box (art. No. 28799).
Mono
[9]
Installation and operating manual
Name on PCB Terminal colour
On/ON1 white
On/On1
Duo
(+)
rt/RD
(+)
rt/RD
(-)
(-)
sw/BK
sw/BK
blue
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