Contrinex Inductive Sensors Connector Interface – Contrinex 320 120 953, This high-quality inductive proximity switch from Contrinex has a 4mm switching distance and an exceptionally good switching point temperature stability. Suitable applications include presence detection of metal objects, position control, counting tasks, distance control on end positions, quality control, etc. Contrinex DW-AS-523-M8-001 Inductive Sensor, 320 120 953