BUILT TO LAST: epoxy-coated cast iron cover, housing and volute; nitrile/carbon/ceramic mechanical shaft seal ; cold-rolled steel shaft and upper and lower ball bearings CONTINUOUS DUTY MOTOR: Features an energy-efficient 115-volt, 5 Amp, 600-Watt PSC (permanent split capacitor) motor and improved performance; standard 10-foot power cord AUTOMATIC OPERATION: Diaphragm switch turns pump on when water reaches 8" to 10.9"; shuts pumps off when water drops to between 2.8" - 5.9"; Piggyback plug allows pump to switch to manual mode easily SOLIDS HANDLING: clog-resistant impeller handles up to 1/2-inch semi solids suitable for light effluent waste SPECIFICATIONS: 1/3 HP, 115-Volts, 5 Amps, 600 Watts, 60 Hz, 53 GPM at 5-foot lift; 28-ft shutoff; 12.1 PSI, 10-ft cord, diaphragm switch; polypropylene base