The standard system of IEC/SC 37A low voltage surge protective devices, IEC/SC 3 7B of components for low voltage surge protective devices, and the trend of deve loping and revision of international standard were analyzed briefly.

• 简要介绍了国际电工委员会(IEC)有关低压电涌保护器分技术委员会(IEC/SC37A)和电涌保护器的特殊元器件分技术委员会(IEC/SC37B)的标准体系并分析了国际标准的制修订动向。