LJ12A3-4-Z/BX Inductive Proximity Sensor Switch

The LJ12A3-4-Z/BX Inductive Proximity Sensor Switch is a robust and reliable non-contact metal detection sensor designed for industrial automation, machinery control, and embedded electronics projects. This sensor can detect metallic objects without physical contact, making it highly suitable for environments where mechanical switches are unreliable or wear out quickly.

With its 12mm cylindrical threaded body and 4mm sensing distance, the LJ12A3-4-Z/BX is widely used in CNC machines, production lines, robotic systems, conveyors, and automation panels. Its durability and consistent performance make it a trusted choice in both industrial and DIY applications.

Key Features of LJ12A3-4-Z/BX Proximity Sensor

• Non-contact metal object detection

• Inductive sensing technology

• 4mm sensing distance

• NPN Normally Open output

• Wide operating voltage range

• Industrial-grade cylindrical housing

• Long service life

• Resistant to dust and vibration

• Fast response time

• Easy installation using threaded body

Technical Specifications

Sensor Model: LJ12A3-4-Z/BX
Sensing Method: Inductive
Detection Target: Metal objects only
Detection Distance: 4mm
Output Type: NPN Normally Open
Operating Voltage: DC 6V to 36V
Output Current: Suitable for control circuits
Response Frequency: Fast switching response
Housing Diameter: 12mm
Mounting Type: Threaded cylindrical body

Applications of Inductive Proximity Sensor

The LJ12A3-4-Z/BX Inductive Proximity Sensor is widely used across many industries and projects, including:

• CNC machine limit sensing

• Industrial automation systems

• Conveyor belt object detection

• Robotic position sensing

• Factory assembly lines

• Packaging machines

• Metal part counting systems

• Automatic door and gate systems

• Arduino and microcontroller projects

• Educational and training labs

Its non-contact operation ensures reliable sensing even in harsh industrial environments.

Working Principle of Inductive Proximity Sensor

This sensor works based on electromagnetic induction. Inside the sensor, an oscillator generates a high-frequency electromagnetic field at the sensing face.

When a metal object enters this field, eddy currents are induced in the metal, which causes a change in the oscillation amplitude. The sensor detects this change and switches the output state accordingly.

Since detection occurs without physical contact, there is no mechanical wear, making inductive proximity sensors ideal for long-term industrial use.

Advantages Over Mechanical Limit Switches

• No physical contact required

• No mechanical wear or tear

• Higher reliability and lifespan

• Faster response time

• Works in dusty or oily environments

• Resistant to vibration and shock

• Compact and easy to mount

• Silent operation

These advantages make the LJ12A3-4-Z/BX a preferred replacement for traditional limit switches.

Compatibility with Controllers and Systems

The LJ12A3-4-Z/BX sensor can be easily integrated with:

• PLC control systems

• Arduino boards

• ESP8266 and ESP32

• CNC controllers

• Relay modules

• Industrial automation panels

Proper pull-up resistors or interface circuits may be required depending on the control system voltage.

Performance and Reliability

Designed for industrial environments, this inductive proximity sensor delivers consistent and repeatable detection performance. Its solid-state design ensures stable operation even under continuous use.

With correct installation and voltage supply, the sensor provides long operational life with minimal maintenance requirements.

Installation and Usage Guidelines

• Ensure correct operating voltage

• Mount sensor securely using threaded body

• Maintain proper sensing distance

• Use metal targets for detection

• Avoid strong magnetic interference

• Protect wiring from mechanical stress

Following these guidelines ensures accurate sensing and long-term reliability.

Why Choose LJ12A3-4-Z/BX Sensor

• Industrial-grade build quality

• Accurate metal detection

• Easy integration with automation systems

• Cost-effective proximity sensing solution

• Suitable for both industrial and DIY projects

• Reliable non-contact operation

Why Buy Inductive Proximity Sensor from Electroxbd

• Genuine and quality-tested sensors

• Competitive pricing in Bangladesh

• Fast nationwide delivery

• Suitable for industrial and hobby use

• Reliable customer support

• Wide range of automation sensors

• Trusted electronics supplier

• Trusted Source for Reliable Electronic Parts

Buy LJ12A3-4-Z/BX Inductive Proximity Sensor Switch in Bangladesh

Order the LJ12A3-4-Z/BX Inductive Proximity Sensor Switch today from Electroxbd.com and ensure reliable, contactless metal detection for your automation or electronics projects.

Office Address:
H#1/1, In Opposite of RH Chhatrabash, Madrasa More, Debisingpara, Boalia, Rajshahi, Bangladesh

Contact: 01600334238
Website: www.electroxbd.com

Electroxbd – Trusted Source for Reliable Electronic Parts.

Common Questions:

Q: What is the price of LJ12A3-4-Z/BX Inductive Proximity Sensor Switch in Bangladesh?

A: The latest price of LJ12A3-4-Z/BX Inductive Proximity Sensor Switch in Bangladesh is 450 BDT.

Q: Where to buy LJ12A3-4-Z/BX Inductive Proximity Sensor Switch in Bangladesh?

A: You can buy the LJ12A3-4-Z/BX Inductive Proximity Sensor Switch at the best price from ElectroXBD in Bangladesh.