YALE® brand KELC2 models are available in capacities from 1/4 through 3 tons. They incorporate a Manguardä overload device, Weston mechanical load brake, and optional integrated variable frequency hoisting control. YALE® hoists are available with compatible plain, geared, and motor driven trolleys. Special enclosure ratings and other custom options are available at extra costs. The Yale RT2 Motor Driven Trolley is designed to work with the KELC.