IEC 60364-5-56:2018 低压电气设备 - 第5-56部分:电气设备的选型和安装 - 安全服务
标准编号：IEC 60364-5-56:2018
中文名称：低压电气设备 - 第5-56部分:电气设备的选型和安装 - 安全服务
英文名称：Low-voltage electrical installations - Part 5-56: Selection and erection of electrical equipment - Safety services
发布日期：2018-11-02
标准范围
IEC 60364-5-56:2018作为IEC 60364-5-56:2018 RLV提供，其中包含国际标准及其红线版本，显示了与上一版本相比技术内容的所有变化。IEC 60364-5-56:2018涵盖了安全服务的一般要求、安全服务供电系统和电气安全源的选择和安装。备用供电系统超出了本部分的范围。本部分不适用于危险区域(BE3)中的装置，IEC 60079-14中给出了要求。这第三版取消并取代了2009年出版的第二版。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:1)对规范性参考文献、术语和定义的修改。2）在安全服务电路项下，增加了有关电路和过流保护的要求，以保持安全服务电源在火灾条件下的可靠性。3)在安全服务电路下，增加了安全服务电路不受RCD或AFDD保护的要求。4）在应急照明应用下，增加了防止应急照明系统受到任何控制系统不利影响的要求。5)增加了对该区域所有应急灯具的要求，以便在任何最终电路故障的情况下提供完整的设计光输出。6)增加新的附录D（信息性）:消防开关。7）增加新的附件E（资料性）:带电缆管理系统的安全服务安装方法示例。8)增加新的附录F（信息性）:布线系统。9)添加新的附件G（信息性）:安全服务电源合适位置指南。
IEC 60364-5-56:2018 is available as IEC 60364-5-56:2018 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
1) Modifications to normative references and terms and definitions.
2) Under electrical circuits for safety services, addition of requirements concerning circuit and overcurrent protection in order to maintain reliability of safety service power supplies under fire conditions.
3) Under electrical circuits for safety services, addition of requirements stating that circuits for safety services are not to be protected by RCDs or AFDDs.
4) Under emergency lighting applications, addition of requirements to prevent emergency lighting systems being adversely affected by any control system.
5) Addition of requirements for all emergency luminaires in the area to provide full design light output in the event of any final circuit failure.
6) Addition of a new Annex D (informative): Fire switch.
7) Addition of a new Annex E (informative): Example of installation methods of safety services with cable management system.
8) Addition of a new Annex F (informative): Wiring systems.
9) Addition of a new Annex G (informative): Guidance on suitable locations for electrical sources for safety services.
标准预览图
