...
Applicable for appliances: VT825 & VT825DC with VT18 / extension module, VT900, VT960, VT960i, VT960ii.
These systems have the possibility to connect up to x2 loads managed by built-in relays. Built-in relays have independent separate entrances and exits. The appliances use latching relays, when power on appliance switches on/off, relays remain in command position!
...