电气类产品标准(粉尘) Standard No Title Concept of protection EN 61241-0 :2006 Electrical apparatus for use in the presence of combustible dust Part 0: General requirements 可燃性粉尘场合用电气设备.*0部分:一般要求 EN 61241-1 :2004 Electrical apparatus for use in the presence of combustible dust Part 1: Protection by enclosures "tD" 有可燃性粉尘场合用电气设备.外壳防护"tD"型 tD EN 61241-4 :2006 Electrical apparatus for use in the presence of combustible dust Part 4: Type of protection "pD" 用含易燃粉尘的电气设备.*4部分:"pD"保护的类型 pD EN 61241-11 :2006 Electrical apparatus for use in the presence of combustible dust Part 11: Protection by intrinsic safety "iD" 使用含有易燃粉尘的电气设备.*11部分:用原有安全度"iD"保护 iD