
Velbus manual VMB3PS– edition 1 – rev.1.0
5
Transformer with 1 x 12V secondary voltage:
LH
BUS
VMB...
+
12V
-
VMB3PS
+
12V
--
12V
+
12V
-
+
ABCDEF
1A max.
12V/1A max.
+
-
12V/1A max.
+
-
Prim.
12V Sec.
Circuit breaker
AC Power
NL
To power loads
N
L
Transformer with 2 x 12V secondary voltage:
LH
BUS
VMB...
+
12V
-
VMB3PS
+
12V
--
12V
+
12V
-
+
ABCDEF
1A max.
12V/1A max.
+
-
12V/1A max.
+
-
Prim.
12V Sec.Circuit breaker
AC Power
N
L
To power loads
N
L
12V Sec.
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