Profile: Electro Power Engineering is a manufacturer of crane control systems. Shrouded bus bar (DSL) systems are used for electrification of mobile equipment. Shrouded bus bar is a safe, economical and low maintenance way to solve mobile electrification requirements. Systems can be designed to accommodate 60 to 1200 amperes. Weight operated limit switches are used in control/power circuit of reversing drives, so as to limit their rotation/movement within a pre-determined position.