Overview Product Description PhazPak B, 1/2 to 1 1/2 HP Phase Converter Standard Solid State Model, RPM 1140 (1 to 1 1/2 HP), 1725 rpm (3/4 to 1 HP), 3450 RPM (1/2 to 3/4 HP) PhazPak Phase Converter Standard Solid State Model B, for light to medium starting loads where full horsepower is not required. Up to 75% efficient. This is a generic picture - please refer to specs listed above for this item. Product Videos Custom Field Product Reviews