3HSD-0000030013 ABB

ABB 3HSD-0000030033
ABB 3HSD-0000030034
ABB 4C4689
ABB 4N4363
ABB 4N4373

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联系人:王语嫣
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Description

接地点以单独的接地线引向接地极。如果装置间距较大,应采用串联一点接地方式。用一根大截面铜母线(或绝缘电缆)连接各装置的柜体中心接地点,然后将接地母线直接连接接地极。接地线采用截面大于22mm2的铜导线

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