Axpert-CSS Alpha Ratings:20 HP (15 kW) ~ 900 HP (630 kW)400V System (380 ~ 480V), 3-Phase PRODUCT DETAILS Axpert-CSS Omega Ratings:20 HP (15 kW) ~ 900 HP (630 kW)400V System (380 ~ 480V), 3-Phase PRODUCT DETAILS VFD Pumpjack Package Range:10 HP to 100 HP400V System (380 ~ 480V), 3-Phase PRODUCT DETAILS