The AMT 5771.95 Submersible Contractor Pump is intended for use in residential, commercial and industrial settings. Applications include: construction sites, waste water, storm water, farming, irrigation, excavation, mining, marine, basement and other general drainage applications involving sediment laden liquids with solids up to 3/8" in diameter. Self-cleaning impeller featuring abrasion-resistant high chromium steel construction for durability. Pumps have a 3450 RPM electric motor fitted with an unfinished power cord that requires field wiring (no controls are supplied). Motors are rated continuous duty and single phase models have thermal overload protection.