标准摘要
[中文适用范围]： 适用于新条件下的从属指定时间电气测量继电器，通过测量受保护设备中流动的电流来保护设备免受电气热损坏。涵盖以下两种类型： 继电器有 [外文原描述]： This edition supersedes the first edition of IEC 60255-8 (1978) and IEC 60255-17 (1982). Applies to dependent specified time electrical measuring relays which protect equipment from electrical thermal damage by the measurement of current flowing in protected equipment. States the particular requirements for thermal electrical relays. Is to be read in conjunction with higher level documents in the IEC 60255 series.
英文名称Electrical relays - Part 8: Thermal electrical relays