FL MGUARD GT/GT
105656_en_05 PHOENIX CONTACT 177
8.3.4 Connecting the supply voltage
The device is designed for operation with a DC voltage of 18 V DC ... 32 V DC/SELV, 0.5
A maximum.
Therefore, only SELV circuits with voltage limitations according to
IEC 60950/EN 60950/VDE 0805 may be connected to the supply connections and the
signal contact.
Please note that there are several options when connecting the supply voltage and the
optional VPN enable button/signal contact:
– Easy connection of the supply voltage
– Redundant connection of the supply voltage
FL MGUARD GT/GT VPN - you can connect a VPN enable button to the MCI/GND con-
nection terminal blocks.
The MC1/GND connection terminal blocks can be used either for the connection of a (re-
dundant) power supply or a VPN enable button.
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