three phase slip ring induction motor Series：YR Protection level：IP23 Voltage range：3000V±5%,3300V±5%,6000V±5%,6600V±5%,10000V±5%,11000V±5% Power range：200-5600 kW Application：hoist, rolling mill, wire drawing machine. Advantage：low noise, small vibration, reliable performance, easy installation and maintenance. Standard: This series of products complies with JB/T10314.1-2002 and JB/T7594 standards. Others： SKF, NSK, FAG bearings can be replaced according to customer requirements. https://www.motorxc.com/high-voltage-ac-motor/three-phase-slip-ring-induction-motor