TB/T 2169-2002 in English

本标准规定了铁路中间站用通信电源设备及铁路通信站用组合电源设备的通用技术要求。
本标准适用于交流称称电压为220V/3800V、标准频率为50Hz，交流输出电流不大于100A，直流额定电压为-48V、直流输出电流不大于200A，以低压电器和电子器件组成的铁路中间站电源柜。
本标准可作为“铁路中间站电源柜”及“铁路通信站组合电源柜”产品设计、制造、采购、使用及质量检验的依据。

Scope

This standard specifies the general technical requirements for communication power supply equipment for railway intermediate stations and combined power supply equipment for railway communication stations. This standard is applicable to railway intermediate stations with AC nominal voltage 220V/380V, standard frequency 50Hz, AC transmission current not greater than 100A, DC rated voltage -48V, DC output current not greater than 200A, composed of low-voltage electrical appliances and electronic devices. Power supply cabinet. This standard can be used as the basis for the product design, manufacturing, procurement, use and quality inspection of "railway intermediate station power supply cabinets" and "railway communication station combined power supply cabinets".