NEW STEP BY STEP MAP FOR ZCT

รีวิวการติดตั้งโซลาร์เซลล์บนหลังคาซีแพ็ค  How ground fault is detected is via 50G (Pickup=2A, TD=all around 2sec) as well as via the 59G and 67G, nonetheless the designer clarifies the 59G/67G, is just for backup safety.  The main security need to continue to be 50G