标准名称：BS EN 61557-9-2009 最高可达1000V 交流电和1500V 直流电的低压配电系统的电气安全性.防护测量的试验、测量或监测设备.第9部分:IT 系统中绝缘失效定位设备
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更新日期：2011年10月26日
内容简介
BS EN 61557-9-2009
Electrical safety in low voltage
distribution systems up to
1 000 V a.c. and 1 500 V d.c. —
Equipment for testing, measuring
or monitoring of protective
measures —
Part 9: Equipment for insulation fault location in
IT systems
Electrical safety in low voltage
distribution systems up to
1 000 V a.c. and 1 500 V d.c. —
Equipment for testing, measuring
or monitoring of protective
measures —
Part 9: Equipment for insulation fault location in
IT systems
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