- 您的位置:
- 中国标准在线服务网 >>
- 全部标准分类 >>
- 国外标准 >>
- BSI >>
- 23/30478750 DC
![](/images/icon_detail_title.png)
【国外标准】 BS EN IEC 61643-21. Low voltage surge protective devices
本网站 发布时间:
2024-06-11
开通会员免费在线看70000余条国内标准,赠送文本下载次数,单本最低仅合13.3元!还可享标准出版进度查询、定制跟踪推送、标准查新等超多特权!  
查看详情>>
![标准简介](/images/icon_detail_info.png)
适用范围:
暂无
标准号:
23/30478750 DC
标准名称:
BS EN IEC 61643-21. Low voltage surge protective devices
英文名称:
BS EN IEC 61643-21. Low voltage surge protective devices标准状态:
现行-
发布日期:
2023-08-15 -
实施日期:
出版语种:
- 推荐标准
- 国家标准计划
- 24/30494858 DC BS EN IEC 60335-2-21 Household and similar electrical appliances - Safety
- 24/30456321 DC BS ISO 18650-2 Building construction machinery and equipment — Concrete mixers
- 24/30461706 DC BS ISO 10785 Space systems — Bellows —Design and operation
- 24/30463827 DC BS ISO 18419 Oilseeds — Application of near infrared spectrometry
- 24/30463857 DC BS ISO 18464 Hydraulic fluid power — Design methodology for energy efficient systems
- 24/30479884 DC BS EN ISO 16486-4 Plastics piping systems for the supply of gaseous fuels -Unplasticized polyamide
- 24/30488940 DC BS EN 12106 Plastics piping systems - Polyethylene (PE), crosslinked polyethylene (PE-X
- 24/30489197 DC BS EN 14972-13 Fixed firefighting systems - Water mist systems
- 24/30490606 DC BS EN 15491 Ethanol as a blending component for petrol - Determination of total acidity - Colour
- 24/30490615 DC BS EN 18100 Mountaineering equipment - Helmets for ski mountaineers - Safety requirements and test
- 24/30490632 DC BS EN 18102 Child care articles - Children's bedguards for domestic use - Safety requirements
- 24/30490638 DC BS EN 16157-1 Intelligent transport systems - DATEX II data exchange specifications for traffic
- 24/30493453 DC BS EN 3160 Aerospace series - Steel X5CrNiCu17-4 (1.4542) - Air melted - Solution treated
- 24/30493456 DC BS EN 3161 Aerospace series - Steel X5CrNiCu17-4 (1.4542) - Air melted. Solution treated
- 24/30493459 DC BS EN 3162 Aerospace series - Steel X5CrNiCu17-4 (1.4542) - Air melted - Solution treated