Velleman VM122 Manual De Instrucciones página 9

Fig 3.0 is the connection diagram for using just one transformer instead of
two.
Take care not to exceed the maximum current of the individual relays (50mA).
K8050
VM122
VA
GND
VB
+V
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
+
VCOM
Figure 3.0
Usage and connection
MAINS
RY1
RY1 ... RY15 :
COIL : 12VDC
max. : 50mA
RY15
9