Electrical and mechanical stability verified centrifugal chiller's induction motor by 10,000th On-Off repeat driving test(500th/day) Insulation system and durability for refrigerant(HFC134a) was certified by HITACHI technical research institute Verified at Wyle research institute in USA for CLASS-1E, supplying to the nuclear power plants as safety and Non-safety induction motor Specifications Ratings : 100 ~ 1500HP Speed : 2P, 4P Voltage : 220 ~ 6600V Frequency : 50Hz, 60Hz Insulation : CLASS F Enclosure : Hermetic Application Subway station Large building and factory Nuclear power plant