A.1.5. Wiring for Intrinsically Safe Apparatus
ib,IS
L1 L2 L3
Pos.
Description
1
Wire for PTO
2
Wire for moisture switch, level switch
3
Common branch
4
Main contactor
3)
For non-Ex products it is optional.
6
3
4
4
5
3
4
1
2
3
1 2 3
+
-
7
1
2
+
DI1
DI2
1
2
7
Pos.
Description
5
Overload relay
6
Power supply: 24V DC
7
Intrinsically Safe Apparatuses
8
Pump controller module
8
-
3)
41