11
2 - Electrical connections
2.3.1 POWER SUPPLY
B
Switching power supply with mul-
tiple isolation and internal PTC
• Standard version:
Nominal voltage:
100...240Vac (-15...+10%)
frequency 50/60Hz
• Low Voltage version:
Nominal voltage:
24Vac (-25...+12%)
frequency 50/60Hz
or 24Vdc (-15...+25%)
• Power consumption 2.6W max.
included PTC
Supply
L
N
1
2
2.3.2 OP1 OUTPUT
B
2.3.3 0P2 OUTPUT
B
A] Single relay output
• NO contact for resistive load of
up to 2A/250Vac (4A/120Vac)
max.
• Fuse 2AT/250Vac (4AT/120Vac)
(IEC 127)
B] Triac Output
• NO contact for resistive load of
up to 1A/250Vac max.
• Fuse 1A
~
T (IEC 127)
B] Single relay output
• NO contact for resistive load of
up to 2A/250Vac (4A/120Vac)
max.
• Fuse 2A
~
T (IEC 127)
A] SSR drive output
, not isolated
0...5Vdc, ±20%, 30mA max.
Varistor for
inductive load
24Vac only
Fuse
Coil of
the load
contactor
3
4
Varistor for
inductive load
24Vac only
Fuse
Coil of
the load
contactor
3
4
Load
Static
relay
10
11
Varistor for
inductive load
24Vac only
Fuse
Coil of the
load
contactor
15
16
M1UK.ed5 14-05-2009 14:56 Pagina 11