Barnes Pumps Model SP33AX Submersible Effluent Pump offers low cost, high performance benefits from a rugged, heavy duty design. It has a dual ball bearing design and provides thermoplastic or cast iron impeller options. It is further enhanced by a stainless steel shaft and heavy duty seal. The Barnes Pumps Battery Backup Inverter System will automatically switch the pump to run on AC power to DC battery power. CSA and SSPMA certified Top suction design Cast iron motor housing Magnets activate switch as float rises and falls Permanent split capacitor motor for reliable, high performance, longer motor life, greater starting torque, and lower amp draw Dual single row ball bearings Thermoplastic impeller GFCI compatible for safety 104° Continuous. HP – 1/3 Volt/PH – 120/1 Hz – 60 RPM – 3450 Nema Start Code – B Full Load Amps – 5.8 Cord Length – 20 ft.