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LJ18A3-8-Z/BX NPN 8MM Inductive Proximity Sensor

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The LJ18A3-8-Z/BX NPN Inductive Proximity Sensor is a reliable non-contact detection sensor designed for industrial automation, robotics, and DIY electronics projects. It detects the presence of metal objects without physical contact, making it highly durable and ideal for repetitive and high-speed applications.

With an 8mm sensing distance, this sensor provides stable and accurate detection for ferrous metal targets. It is widely used in CNC machines, 3D printers, conveyor systems, and Arduino or PLC-based automation systems.

Compact, rugged, and easy to integrate, the LJ18A3 series is a popular choice for engineers and makers building smart automation systems.

Features

  • Non-contact metal detection sensor
  • NPN Normally Open output (Z/BX type)
  • 8mm sensing distance
  • High sensitivity and fast response time
  • LED status indicator for detection
  • Durable metal housing (industrial grade)
  • Easy integration with PLC, Arduino, STM32, ESP32 systems
  • Resistant to dust, vibration, and oil environments

Technical Specifications

Parameter Specification
Model LJ18A3-8-Z/BX
Type Inductive Proximity Sensor
Output Type NPN, Normally Open
Sensing Distance 8mm
Operating Voltage 6V – 36V DC
Output Current ≤ 300mA
Detection Object Metal (iron, steel, aluminum, etc.)
Response Frequency High-speed switching
Indicator LED status light
Housing Material Nickel-plated brass
Protection Short circuit & reverse polarity protection
Cable Length ~1.2m (varies by batch)

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Please note, a delivery fee of €4.99 applies for orders under €50. For those in remote areas, be aware that our couriers may apply an extra surcharge. This additional fee helps cover the costs of transporting your items to harder-to-reach locations.