https://old.vonsch.sk/produkty/unifrem400i.php?lang=en
VONSCH spol. s r.o - Frequency converter UNIFREM 400 ( 200kW)
UNIFREM 400 frequency converters, for 3 x 400 V motor voltage, in the range of 11 - 630 kW. They allow vector control of induction and synchronous motors...
s rfrequency converterspol