Distribution cabinets(IP22),build in main ELCB(3P+N),protective cover for all breakers,Every distribution breaker should be 2-pole and attached with a tripping contact,their should be a grounding bar at the bottom of the cabinet(main source AC400/230V,3Ph,4Wire):
1.10 circuits combine with 10A/16A breakers and 1ELCB 4No.s
2.10 circuits combine with 10A/16A breakers and 1ELCB 3No.s
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只看楼主 我来说两句我个人更倾向于漏电塑壳开关的看法
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