General information
External unit
Art. 4878KC
Technical characteristics
Leave the system protec-
tion device in position
1
20
20
Art. 4878KC
Installing the external unit
Description of terminal block
LL
V+ V-
RTE
DO
PR
GND
NO NC COM
SE
Technical characteristics
Description of terminal block
N
L
+22V 0V
+33V 0V
2
Art. 1207