标准摘要
[中文适用范围]： 适用于不带火花隙的非线性金属氧化物电阻器型避雷器，旨在限制交流电源电路上的电压浪涌。 [外文原描述]： Applies to non-linear metal-oxide resistor type surge arresters without spark gaps designed to limit voltage surges on a.c. power circuits.
英文名称Surge arresters - Part 4: Metal-oxide surge arresters without gaps for a.c. systems