规定了正常运行期间连接遥控、远程保护、配电线路载波和配电自动化设备及系统部件的电源特性，以及以抗扰度和发射测试水平表示的EMC最低要求。它是适用于远动设备系统的一系列标准之一。本标准与IEC 60870-2-1:1995相同，并根据IEC 60870-2-1:1995复制。

Specifies characteristics of power supply to which components of telecontrol, teleprotection, distribution line carrier and distribution automation equipment and systems are connected during normal operation and the EMC minimum requirements, expressed in terms of immunity and emission test levels. It is one of a series of Standards applicable to telecontrol equipment systems. This Standard is identical with and has been reproduced from IEC 60870-2-1:1995.