The Micromaster 430 are a range of 3AC frequency inverters designed to to control the speed of three phase AC motors. This model is particularly well suited to for use with pumps and ventilators. This inverter is microprocessor controlled and uses Insulated Gate Bipolar Transistor (IGBT) technology. Quiet operation is ensured through special pulse-width modulation method with selectable Pulse frequency. Northern Industrial stock a great range of Micromaster 430 parts with models available including 7.5KW input to 250KW. Search the shop today.