Features: Base & chip insulation AC voltage 2500V International standard packing Excellent temperature feature Lower than 350A use air-cool, higher than 500A, could use air-cool or water-cool Easy install Volume small, weight light Applications: AC DC motor control Motor soft start Industry heat-up control Rectificate power supply Welder Frequency transformer UPS power supply Battery change & dischange Can be supplied to meet stringent military, Aerospace and other high-reliability requirements Power supplier & motor controls