The Tsurumi HS2.4S-62 is a semi-vortex submersible trash pump with agitator. The built-in shaft mounted agitator suspends solids. The urethane semi Vortex impeller is for maximum durability and pump performance. It features a double inside mechanical seal with sic faces that provides longest operational life. The oil lifter provides lubrication of the seal faces. (Patent pending) the V-ring seal protector protects mechanical seal from abrasive particles. + Pump switches provide automatic pump control. The SJE PumpMaster pump switch is designed to directly control pumps up to 1/2 HP at 120 VAC and 1 HP at 230 VAC in potable water, water and sewage applications.The SJE PumpMaster pump switch is not sensitive to rotation or turbulence, allowing it to be used in both calm and turbulent applications. 20 foot wire attached U.S. Patent No. 5,087,801 and 5,142,108 Does not include mounting clamp. The product does not have a plug on the end. Hardwire installation.