GB/T 18216.7-2024交流1 000 V 和直流1 500 V 及以下低压配电系统电气安全　防护措施的试验、测量或监控设备　第7部分：相序.pdf

ICS

17.220.20

CCS

N20

中华人民共和国国家标准

GB/T18216.7—2024/IEC61557﹘7：2019

交流1000V和直流1500V及以下

低压配电系统电气安全

防护措施的试验、测量或监控设备

第7部分：相序

Electricalsafetyinlowvoltagedistributionsystemsupto1000Va.c.and

1500

Vd.c.—Equipmentfortesting,measuringormonitoringofprotectivemeas﹘

ures—Part7：Phasesequence

（IEC61557-7：2019,IDT）

2024-07-24发布2025-02-01实施

国家市场监督管理总局

发布

国家标准化管理委员会

GB/T18216.7—2024/IEC61557﹘7：2019

目次

前言

Ⅲ

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引言

Ⅴ

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1

范围