Euchner NG1VS-510-M Limit switch Adj Roller, SteelEUCHNER position switches are high performance position switches with a long mechanical life; designed according to the European standard EN 50 041. The user can choose between lever arm or plunger drive and 10 different actuating heads with 4x90 adjustment. Position switch NG. VS, adjustable, plastic with an adjustable roller lever arm VS (steel roller) and cable entry M20 x 1. 5. As well as switching direction from right, left or both sides.