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S763LResidual Current Leakage i loko no ka pale ʻana, e kūʻē i ka uila i ka ircuit o 50Hz a i ʻole 60Hz, helu ʻia ka volta hoʻokahi 240V, 3 ʻāpana 415V, helu ʻia a hiki i 60A. Ke loaʻa kekahi i ka uila a i ʻole ke koena o ke kaapuni ma mua o ka waiwai paʻa, hiki i ka RCD ke ʻoki i ka mana i loko o ka manawa o 0.1s e pale ʻokoʻa i ka palekana pilikino a pale i nā mea hana mai ka hewa i hopena ʻia e ke koena o kēia manawa. Kūlike ia me IEC898-87 & IEC 755.