IEC 60621-1:1987 PDF

Scope: This series of standards is applicable to the operation and installation of electrical equipment and systems under harsh outdoor conditions (including open-pit mines, quarries, stockpiles and similar places). It is especially applicable to the following electrical equipment and systems: a) Mining and stacking and primary processing machinery; b) secondary processing machinery; c) conveyor systems; d) drainage and water supply systems; e) movable railway systems; f) fixed railway systems (operation only); g) electric trucks; h) Power generation and distribution equipment; i) Control, monitoring, signaling, communication systems; j) Auxiliary equipment. This series of standards does not apply to temporary or temporary open working sites, such as construction and earth moving sites, unless the equipment used is similar to surface mining equipment. The purpose of this series of standards is to provide guidelines for the installation and operation of electrical equipment and systems. To ensure the safety of people, livestock and equipment and the normal operation of equipment.

IEC 60621-1:1987 history

1987 IEC 60621-1:1987 Electrical installations for outdoor sites under heavy conditions (including opencast mines and quarries). Part 1 : Scope and definitions
1970 IEC 60621-1:1978 Electrical installations for outdoor sites under heavy conditions (including open-cast mines and quarries) - Part 1: Scope and definitions