The WEDA 40N is a 3 phase, 220 volt, and 60 Hz electric submerisble dewatering pump. It's designed for most any application. Whether that be offshore, construction, mining and tunnels, or industry. Adding a float the pump is optional, although it's recommended because it'll save you money in the long run. Atlas Copco's WEDA 40N is priced at $1750.