IEC 60621-2 Ed. 2.0废止
Electrical installations for outdoor sites under heavy conditions (including open-cast mines and quarries). Part 2: General protection requirements
出版：International Electrotechnical Committee
专家解读视频
Applies to all installations with voltages up to and including 1 000 V as well as with those above 1 000 V. Describes protective measures intended to ensure the safety of persons from electric shock in normal service and in case of fault. Also, particular requirements applicable to TN, TT and IT system earthing. Extends the principles to the protection against overcurrent in respect of overload and short-circuit protection, together with the co-ordination of overload and short-circuit protection and the coordination of this protection with the conductors and apparatus. Also, the principles developed in IEC 60364 for the protection of conductors are extended to the protection of apparatus in respect of security of the installation and protection of personnel.
AS 3007.2-1987 - Equivalent
BS 6907-2:1988 - Similar
AS 3007.2-2004 - Equivalent
UNE 21621-2:1996 - Identical
