LJ12A3-4-Z Inductive Switch, 12mm Cylinder, ABS Shell, Metal Sense

Accurate Metal Detection: This LJ12A3-4-Z inductive sensor accurately detects metallic objects within a 4mm range using advanced induction technology, providing reliable triggering for contactless automation tasks. Rugged Industrial Design: Featuring an ABS plastic shell and an alloy threaded body, this 12mm cylindrical sensor is IP67 rated for dust and water resistance, making it ideal for harsh factory environments, machine tools, and outdoor applications. Safe and Stable Operation: Operating on DC 6-36V with a 300mA output, the unit includes built-in short-circuit and reverse polarity protection to safeguard your MCU, Arduino, or PLC from electrical damage during unexpected power surges. Easy Integration and Monitoring: The 3-wire PNP NO configuration (brown/blue/black) simplifies wiring, while the integrated LED indicator provides instant visual feedback. The switching state streamlines the setup for 3D printer bed leveling or conveyor systems.
Wide range of applications: Ideal for industrial automation, counting systems, and position detection, this high-frequency sensor (0.5 kHz) offers long-life performance in various machines, from packaging equipment to robotic arms.