Frequency Inverter, Variable Frequency Drive, Variable Speed Drive manufacturer / supplier in China, offering Bedford in: AC 3pH 380~440V&DC 420~720VDC/out: 3pH 380V/50~60Hz/7.5kw/17A MPPT 99% Solar Photovoltaic Pump Controller with CE/ISO, Bedford Converter/50~60Hz/30kw/112A/in: AC 3pH 220V/Ot: 3pH 220V/General Purpose Vector Frequency Inverter, Bedford Converter/50~60Hz/37kw/150A/in: AC 3pH 220V/Ot: 3pH 220V/General Purpose Vector Frequency Inverter and so on.