Product introduction          

This series of products using divided into two types of ground and underground, the main supply of mine traction locomotive, city trolleybus, Metro Traction Substation for DC power supply with.          

This series of products are used three-phase bridge rectifier circuit, the rectifier transformer with 5% rated voltage taps, change the wiring can change the AC input voltage of 5%.          

This series of products using the automatic air circuit breaker protection overcurrent relay, thermal relay over-current, short circuit, three-phase AC side are equipped with lightning arrester for lightning protection, the branch resistance capacitance absorbing device for overvoltage protection.          

This series of products is divided into thyristors and rectifier tube two, thyristor rectifier with automatic voltage regulator, current and current cut-off tripping function.          

General dry, rectifier transformer and oil immersed type epoxy resin.