标准摘要
[中文适用范围]： 规定了具有两个输入激励量的方向继电器和功率继电器的性能要求以及表示这些继电器的特性和性能的方法。不包括阻抗继电器并专门处理 [外文原描述]： Specifies performance requirements for the subfamily as shown in the title. This publication forms part of a series dealing with measuring relays with more than one input energizing quantity and for which IEC 60255-6 gives the general requirements.
英文名称Electrical relays - Part 12: Directional relays and power relays with two input energizing quantities