JET 460V 1/2 Ton 20' Lift Electric Chain Hoist - 144003K. 3 Phase 2 Speed Electric Trolley. 4 Button 16 ft. Wired Pendant. 10 ft. Power Supply Cord. The 2-in-1 design of the Mechanical Brake and Overload Protection ensure operator safety and extended product life. Patented gear limit switch ensures the product switches off power instantly in the case of over lifting or lowering position. DC Motor Brake actuates instantly in the event of a power failure to ensure operator safety. IP55 TEFC Motor with Class F insulation for working in harsh environments. 5 Pocket Chain Sprocket provides reduced vibration, smoother operation, and reduced chain wear during long lifting or lowering of loads. Pendant Control is IP65 rated and is fully water-proof, insulated and impact resistant for years of service. Built in heat protection will not allow lifting if internal temperatures exceed 285 Degrees Fahrenheit (+/-40 Degrees). Load will be allowed to be lowered until unit cools. This saves internal components and extends the life of the product. Comes with 10 ft. power supply cord