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NC
NC
Connecting solenoid valve Normally Closed with Positive Safety
Connecting a Solenoid valve with sirens to 12 VDC, through a power switcing. The power supply should
be adequate to the consumption of the components
Electrical connections
Connecting a solenoid valve Normally Closed without Positive Safety
C NC
NO
C
NC
NO
C
NC
NO
C
NC
NO
1 2 3 4 5 6 7 8 9
NA NC
Power supply Switching
Ph
N
12 VDc
+
Power supply
110/240 V
AC
Solenoid valves Prealarm Fault Siren ext
Ph
N
230 V
AC
C
NO
C
NO
C
NC
NO
C
NC
NO
1 2 3 4 5 6 7 8 9
Solenoid valve Prealarm Fault Siren ext
NC
Ph
N
C
NC
NO
C
NC
NO
C
NC
NO
C
NC
NO
1 2 3 4 5 6 7 8 9
Solenoid valves Prealarm Fault Siren ext
NA NC
230 V
AC