... elevator and electric excavator ZZJ-800 motors are a kind of DC motor used for metallurgy & hoisting, available for steel rolling ... are welding), thereby improving the electromechanical reliability.Basic type of construction is horizontal foot-mounted and 2 shaft-end's ... -cooling, IP44, IC4102. Drip-proof, force ventilated with built-on blower. IP23S, IC063. Drip-proof, single pipe ventilated. IP23S ...