BERM Capacitive Approach Switch Sensor Power Distribution Control Equipment 90‑250VACCR18-8AC Item Type: Capacitive Approach Switch Output Mode: CR18-8AC: NC normally closed CR18-8AO: NO normally open Power Supply Voltage: 90-250VAC Working Current: Two wires 400mA Diameter of Induction Cylinder Section: Approx. 18mm / 0.7in Detection Distance: Approx. 8mm / 0.3in ±10% Power Cord Length: Approx. 1.2meter / 3.9ft Detection Objects: Metal, wood, paper, etc. Working Environment Temperature: -25~+75℃ Storage Temperature: -45~+80℃ Humidity: <90% Cable Wrap Material: PVC Sensor Head Material: ABS How e: The two-wire switch must be connected to the power source in advance, and it is strictly forbidden to connect to the power supply, strictly follow the color code on the wiring diagram