I WANT TO INSTALL A SPD ON MY HOUSE BUT I AM GETTING CONFLICTING ADVICE.
HOUSE IS IN THAILAND WITH LOTS OF ELECTRICAL ACTIVITY. I HAVE A 50 KVA TRANSFORMER ON SITE SUPPLYING 3 PHASE POWER TO THE HOUSE. THE TRANSFORMER AND METER IS LOCATED ON A POLE ABOUT 60M FROM THE MAIN SWITCH BOARD IN THE HOUSE.
LOCATION – SOME PEOPLE TELL ME TO LOCATE SPD ON THE POLE AND SOME SAY IN THE SWITCH BOARD. WHO IS CORRECT?
SPD SIZE – SOME PEOPLE TELL ME TO GET A 4 POLE 20 KA DEVICE BUT OTHERS SAY 3 POLE 40 KA? I HAVE SEEN 3 POLE, 3 POLE + N & 4 POLE. ALL COME 10, 20, 40, 60 & 100KA. WHICH IS THE CORRECT DEVICE FOR MY SITUATION
I HAVE LOOKED ON THE WEBSITE BUT CAN’T SEE ANYTHING RE SPD FOR 3 PHASE CONDITIONS. CAN YOU PROVIDE SOME ADVICE RE THE ABOVE.
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