Kessel SG 400 V Mono Notice D'utilisation D'origine page 52

Duo ATEX float switch
Connect the ends of the float switch's leads to the terminal of the Zener barrier [8a].
[8]
52
Zener barrier designation
Bezeichnung Zenerbarriere
Alarm
Alarm
On2
Ein2
On1
Ein1
Aus
Off
A = both pumps switched off
A = Beide Pumpen ausgeschaltet
B = switch pump 1 on
B = Pumpe 1 einschalten
C = switch pump 2 on
C = Pumpe 2 einschalten
D = alarm
D = Alarm
Installation and operating manual
HAZ HAZ
bl bl bl bl
7 8 7 8
3 4 3 4
On 1
Alarm
Ein1
On 2
Ein2 Off
Aus
[8a]
010-532_03