The LJC18A3-H-Z/BX is a cylindrical 18 mm capacitive proximity sensor featuring an NPN Normally Open (NO) output and a 10 mm adjustable sensing distance. It operates on 636V DC (commonly rated 1030V DC) and detects both metallic and non-metallic targets like plastic, water, glass, and metal.Technical SpecificationsHead/Mounting Diameter: 18 mm (M18 thread)Detection Distance: 1 mm to 10 mm (adjustable via internal potentiometer)Operating Voltage: 6V to 36V DCOutput Configuration: NPN, Normally Open (NO)Load Current: 200 mA to 300 mAWiring Type: 3-wire DC (Brown: V+, Blue: GND 0V, Black: Signal Output)Operating Temperature: -25C to +65C

Wiring & Usage NotesColor Coding: Connect the Brown wire to positive DC power, the Blue wire to ground, and the Black wire to your controller, PLC input, or microcontroller digital pin.Microcontrollers: Because it uses an NPN open-collector output, the signal pulls low to 0V when triggered. When pairing with a 5V logic board like an Arduino, ensure proper logic handling or a pull-up resistor if required by your circuit configuration.