电信和信号网络浪涌隔离变压器|沙特标准|SASO-IEC-61643-351
SASO-IEC-61643-351
Components for low-voltage surge protective devices – Part 351: Performance requirements and test methods for telecommunications and signalling network surge isolation transformers (SIT)
低压浪涌保护器元件第351部分:电信和信号网络浪涌隔离变压器(SIT)的性能要求和试验方法