Kostov Motors makes single and three phase AC motors, with rotation axes height from 56mm to 100mm, a maximum altitude of 1000m, with their single phase motors having an output of 0.04 to 3.00kW operating on 110 to 250V and a frequency of 60Hz. Their Type MO Three Phase Series offers frame sizes from 56 up to 100 mm, supply voltage of 220/380 V, connection delta/Y and frequency of 50 Hz. Supply voltage up to 400V.