Series 5050 is available in diffuse, retro-reflective, and through-beam models with sensing distances of 800 mm, 4 m, and 50 m, respectively. Sensors are built in 50 x 50 mm format with 10 to 36 Vdc supply range. Units can be supplied in NPN or PNP versions with 2 m cable or S8 4-pin plug configuration. Lens window material is PMMA plastic. Diagnostic or excess gain function can be selected, which monitors visible red light detected.