Stromag India Pvt. Ltd. Manufactures Worm Gear Cam Limit Switches. Stromag India Pvt. Ltd. Is a DIN ISO 9001 certified company. Worm Gear Cam Limit Switches are standard switches and comes in HGE Series. These are universal mechanical switching devices for various industrial applications. They consist of a reduction gear and one or two contact spaces containing the switching contacts and the coordinated cam discs. These Worm Gear Cam Limit Switches are reduced to an angle of rotation at the cam disc of maximum 320degree [with 40degree cam discs].