Voltage monitoring 3-phase against N in accordance with VDE 0108-100 and VDE 0100-718;
voltage failure monitoring; 400V; 2 CO; fixed threshold voltage Us=195,5V, fixed ON-Delay
Voltage monitoring 3-phase against N in accordance with VDE 0108-100 and VDE 0100-718;
voltage failure monitoring; 400V; 2 CO; fixed threshold voltage Us=195,5V, fixed ON-Delay