ABB Powernet EIB Manual De Instrucciones página 28

Fig. 3
External use of 24 V ~
L
N
24 V ~/ =
NOTE
Bridges according to the number of operator inputs
used.
In the case of external 24 V wiring, safety extra-low
voltage (SELV) may be connected.
a1
b1
a2
b2
a3
b3
a4
b4
N
L
GB
L
N