... , 460V, and 690V.(fluctuating 15%)0.75~630KW frequency inverter / converter/ AC drivesFrequency inverter (POWTRAN)1. With surprising wholesale price and ... great performance.2. CE,ISO9000/2000, TüV, ABS, and UL. certificates.3. 27 years ... sales service.Certificates:Powtran have been approved by CE,ISO9000/2000, TüV, ABS, and UL.Powtran distributors:We have more ...