标准摘要
[中文适用范围]: 适用于额定电压为 72.5 kV 及以上的 E2 级断路器,用于架空线路。 [外文原描述]: Applicable to class E2 circuit-breakers rated 72,5 kV and above, intended for use on overhead lines.
英文名称High-voltage switchgear and controlgear - Part 310: Electrical endurance testing for circuit-breakers of rated voltage 72,5 kV and above