If you want 3 switches, just fit 3 din contactors in the DB and run 4 wires to the 3 lever switch, that way you only have 1 phase controlling the lights.
Isetech Today, 12:38 PMWe fit a din mount contactor in the DB and run the switch wire (relay coil) to a surface 4x2 box with a single lever switch.
Isetech Today, 12:36 PMI connect the batteries in parallel cascade, so that I only need one DC battery disconnect.
I am busy with a 3 phase inverter, with 3 batteries
Presently there are 3 rows of 5ft fluorescents each on their own 15A breaker. The lights are turned off at the circuit breakers in the DB.
Light switch.
Good idea for the contractors.
Dylboy Today, 01:11 PMAs far as I know you can have 3 power supplies to the switch however they have to be the same phase.. you