Protective cover for grinder consisting of a single (PR) or double door (PR3) with safety switch and sliding over a rectangular guide with rollers. The door panels are equipped with impact-resistant and scratch-free polycarbonate and are enclosed in a steel frame. The guides for the single door panel are available in the lengths 1200, 2000, 3000mm. The guides for the double door panel are available in the lengths 2000, 3000 and 5000mm. The machine will stop when the protective cover is opened. This screen protects the operator against the rotating spindle and the grinding stone as well as against abrasive grains, cooling water and oil. The shields can be supplied with control box type MICBOX001 for the operation of the magnetic door contact. Benefits: - High visibility through large windows in the door panels - Easy to open and slide - High accessibility with the screen open Specifications: - Single (PR) or double (PR3) door panel polycarbonate - The guides for the single door panel are available in the lengths 1200, 2000, 3000mm. - The guides for the double door panel are available in the lengths 2000, 3000 and 5000mm. - Safety switch - Device supplied with CE conformity certificate and an installation and usage sheet