GB/T 16895.21-2011低压电气装置　第4-41部分：安全防护　电击防护.pdf

中华人民共和国国家标准 GB 16895.21-2011 /IEC 60364-4-41:2005 代替GB 16895. 21-2004 低压电气装置 第4-41部分:安全防护电击防护 Low-voltage electrical installations- Part 4-41:Protection for safety-Protection against electric shock (IEC 60364-4-41:2005，IDT) 目 次 前言·······································Ⅰ 410序言·····································Ⅱ 410. 1范围···································1 410. 2规范性引用文件····························· 1 410. 3通用要求································ 1 411保护措施:自动切断电源···························· 2 411. 1通则···································2 411. 2对基本保护的要求····························2 411. 3对故障保护的要求···························· 3 411. 4 TN系统································ 4 411. 5 TT系统······························· 5 411. 6 IT系统······························· 6 411. 7功能特低电压(FELV)························· 7 412保护措施:双重绝缘或加强绝缘························· 8 412. 1通则·································· 8 412. 2对基本保护和故障保护的要求···················· 8 413保护措施:电气分隔······························· 10 413. 1通则··································· 10 413. 2对基本保护的要求·····························10 413. 3对故障保护的要求······························10 414保护措施:采用SELV和PELV特低电压··············· 10 414. 1通则····································10 414. 2对基本保护和故障保护的要求························ 11 414. 3 SELV和PELV的电源·····························11 414. 4对SELV和PELV回路的要求························· 11 415附加保护·····································12 415. 1附加保护:剩余电流保护器(RCD)······················· 12 415. 2附加保护:辅助等电位联结···························13 附录A(规范性附录)基本保护的保护措施·························14 附录B(规范性附录)阻挡物和置于伸臂范围之外的保护措施················ 15 附录C(规范性附录)适用于由熟练的或受过培训的人员 操作或管理的电气装置的保护措施··························· 17 参考文献······································ 19 前　言 本部分的全部技术内容为强制性。 GB 16895《建筑物(低压)电气装置》分为5个部分: —第1部分:基本原则，一般特性的评估和定义; —第4部分:安全防护; —第5部分:电气设备的选择和安装;