Product name: 

Auxiliary Power Converter 3kV//200kVA-30kW

Description: 

The auxiliary power converter is specifically designed for roof or underframe mounting on any type of train supplied by 3kV DC catenary. It supplies 400V 3phase, as well as 230V single phase AC loads, and 110V DC batteries + loads.

Web: 

https://www.sepsamedha.com/auxiliary-power-converters/