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请各位高人帮忙翻译几句话（低压成套，配电相关）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):
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