The generators are designed to offer not only the best possible reliability, but also the best technical solution with regards to electrical quality in a marine system. Features : Power Range - 100kVA - 5500kVA, IP44 - IP54Voltage - 230v - 380V - 440V - 690VProtection degree - IP23-IP54 Frequency - 50Hz - 60Hz Poles - 4-6-8-10 etc Ball bearings or sleeve bearings Anti-condensation heaters PT100 sensors for sleeve bearings PT100 sensors for windings Double Vacuum Pressure Insulation (VPI) and tropicalization