LJ12A3-4-Z/BX-5V Inductive Proximity Sensor – High-Precision 4mm DC 5V NPN NO Metal Detector for CNC & Industrial Automation

The LJ12A3-4-Z/BX-5V Inductive Proximity Sensor is a compact, reliable, and high-precision detection device designed for non-contact metal object sensing in industrial and CNC automation systems. With a 4mm detection distance, DC 5V operating voltage, and NPN NO (Normally Open) output type, this sensor delivers accurate, fast, and stable performance in various environments.

Its inductive sensing technology ensures long service life, resistance to vibration, and protection against dust and moisture, making it ideal for CNC machines, 3D printers, conveyor systems, and industrial robotics. The sensor’s robust nickel-plated brass housing provides excellent durability for heavy-duty applications.

Key Features

• High-Precision Detection – 4mm sensing distance for accurate metal object detection.

• NPN NO Output – Normally Open switch type for flexible automation control.

• Low Voltage Operation – Works with DC 5V, compatible with microcontrollers and CNC controllers.

• Non-Contact Sensing – Reduces mechanical wear, increasing lifespan.

• Industrial-Grade Durability – Nickel-plated brass housing with IP65 protection.

• Fast Response Time – Suitable for high-speed automation tasks.

• Versatile Applications – Ideal for CNC machines, industrial robotics, packaging systems, and metal detection in production lines.

Technical Specifications

Applications

• CNC Machine Tool Positioning

• 3D Printer End-Stop Sensor

• Conveyor System Metal Detection

• Industrial Automation Control

• Robotics and Packaging Systems