Electricity Power Feed to a NVR Panel (no Volt Relay) which will turn itself OFF if there is a power failure and invertor will not restart until power restore again. Also it is protect to single phase, over voltage and under voltage.
Its particular special feature is it automatically trips incoming power whenever one of three phases fails with a special kind of relay in conjunction used with a contactor, spd, mcb, A/M selector switch. After the operation of the relay, the relay doesn’t reset to its original position until all the phases become healthy.
Firstly, all indoor panels have protected with IP54 or better even more all outdoor panels have protected with IP65 or better. Secondly, all PCC Panels made by laser cutting CRCA sheet and powder coating with the 7-Tank process. In addition, Indian Electro Power Control have provided IP65 certificates for solar acdb dcdb.