Converter PTU is a further stage of development of converter PTA. These converters can be used both on new tram cars and for revamping tram cars with asynchronous motors and tram cars T3 manufactured in Czech Socialist Republic in case asynchronous motors are installed on them.
Converter PTU has all advantages of converter PTA, but compared to the latter the former is considerably smaller and lighter.
power supply distribution cabinet (А0); control cabinet and control circuit power supply distribution cabinet (А6); operator panel; reactor cabinet; mechanical brake control device; braking resistors.
Guaranteed service life is 12 months from putting into operation, but no longer than 18 months from delivery date. Other warranty obligations can be stipulated in the contract.