IEC 60519-4:20 21为电弧炉装置提供了特殊的安全要求。本文件涉及附件A中列出的与工业电弧炉装置相关的重大危险、危险情况或危险事件，适用于正常运行、单一故障条件以及合理可预见的误用条件。 这第五版取消并取代了2013年出版的第四版。本版构成技术修订版。 与上一版相比，此版本包括以下重大技术变更: 根据IEC 60519-1:20 20重新起草了结构； 范围和对象已重新起草； 术语和定义、规范性参考文献和参考书目已经更新和完成； 根据IEC 60519-1:2020; 所有条款都已重新起草，关于矿热炉装置的文本更加简洁； 附件已经过重组，涉及高压设计和非电气问题的细节，但在这些装置中需要注意； 噪音方面已从范围中删除； 明确了EMC要求； 危害的风险分类基于排放； 澄清了与ISO 13577（所有部分）和ISO 13578的界限。

IEC 60519-4:2021 provides particular safety requirements for arc furnace installations. This document deals with the significant hazards, hazardous situations or hazardous events relevant to industrial arc furnace installations, as listed in Annex A, for normal operation and for single fault condition as well as under conditions of reasonably foreseeable misuse.
This fifth edition cancels and replaces the fourth edition published in 2013. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:

1. the structure has been redrafted according to IEC 60519-1:2020;
2. the scope and object have been redrafted;
3. the terms and definitions, normative references and bibliography have been updated and completed;
4. the requirements have been redrafted according to IEC 60519-1:2020;
5. all provisions have been redrafted and the text is more concise with respect to submerged arc furnace installations;
6. the annexes have been restructured, with respect to details concerning high voltage designs and non-electrical issues, however to be aware of in those installations;
7. the aspect of noise has been removed from the scope;
8. the EMC requirements have been clarified;
1. risk classification of hazards have been based on emission;
10. the boundaries to ISO 13577 (all parts) and ISO 13578 have been clarified.