Capacitive proximity sensors, CMB, CMB30-25NPPEW2SA00, Switching distance Sn: 0 mm ... 25 mm, Installation in metal: Non-flush, Electrical design: DC 4-wire, Connection type: Cable, 4-wire, Switching output: PNP, Switching function: Antivalent, Smart Sensor: Enhanced Sensing Basic Logic, Efficient communication, Diagnostics, Smart Task