The technical and descriptive information on the function, construction and selection of the new types of 3SE3 limit switches is presented here. These limit switches are actuated by straight edges, cams, stops or plates etc. and give control commands for the further progress of the switching program or of the
manufacturing/processing squence. For the various control applications there are 2 ranges available, namely open type and metal enclosed limit switches with 3 different versions of contact configuration.