🔧 LJ12A3-4-Z/BX Inductive Proximity Sensor – NPN 🔧
The LJ12A3-4-Z/BX is a widely used inductive proximity sensor designed to detect metal objects without physical contact. Operating from DC 6–36V, it features an NPN Normally Open (NO) output, making it suitable for industrial automation systems, robotics, and DIY electronics. Its durable cylindrical design with an LED indicator ensures reliable and easy integration.
✅ Technical Specifications:
- Model: LJ12A3-4-Z/BX
- Output Type: NPN, Normally Open (NO)
- Operating Voltage: 6 – 36V DC
- Detection Distance: up to 4 mm.
- Housing Diameter: 12 mm (M12)
- Length: ~60 mm
- Housing Material: Nickel-plated brass
- LED Indicator: On detection
- Operating Temperature: -25°C to +70°C
- Connection: 3-wire (Brown: VCC, Blue: GND, Black: Signal)
- Approx. Weight: 50 g
🔹 Key Features:
✔ Non-contact metal detection – reduces wear and tear.
✔ NPN NO output compatible with multiple control systems.
✔ Compact M12 cylindrical design for easy mounting.
✔ Wide operating voltage range (6–36V DC).
✔ Built-in LED status indicator.
📌 Common Applications:
- Industrial automation and control.
- Counting and object detection in production lines.
- Arduino and Raspberry Pi metal detection projects.
- Robotics and motion control.
- Safety and monitoring systems.
