DC 6-36V M12 Inductive 4mm PNP-NO Proximity Sensor Switch


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Approx Restocking Date: 25 to 30 Days
SKU: 51925
  1. Operating Voltage: DC 6-36V.
  2. Output Type: PNP Normally Open Three-line.
  3. Detection object: Metal Objects.
  4. Detection distance (mm): 1 – 4.
  5. Output Current: 300 mA.
  6. Cable Length: Approx 1.1 m.
  7. Mounting thread diameter: 12 mm.


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Category: Other Proximity Sensor & Modules
Tags: Proximity Sensor, Metal Detector, Metal Sensor, M12, PNP Proximity Sensor, NO Proximity Sensor, LJ12A3-4-Z/BX-5V, LJ12A3-4-Z/BX

This DC 6-36V M12 Inductive 4mm PNP-NO Proximity Sensor Switch is a component widely used in the automatic control industry for detecting, controlling, and non-contact switching. When the proximity switch is close to some target object, it will send out a control signal.

When the metal approaches near-proximity switch sensing area, an Edy Current is induced in metal. Which in turn disturbs the magnetic field produced by the Inductive Proximity Sensor. This change is sensed by the sensor.

This inductive proximity switches can be non-contact, no pressure, no spark, quickly issued the electrical command. Accurately reflect the position and stroke movement mechanism. Positioning accuracy, operating frequency, service life. Easy to install and suitable for harsh environments.

This 4mm proximity sensor can detect a variety of metals, miniature size, long life, low price, shielded type installation, anti-interference ability, 1mm detection distance, using for precise positioning of molds, precision machine tools, and robots.

Note: The product is available in both colors as shown above, so while shipping you may get any one of them.

Features :

  1. Red LED checks the state of the proximity sensor
  2. High repeated positioning accuracy
  3. High switching frequency
  4. Wide voltage range
  5. Total Length of cylinder: 62mm.
  6. Thread length: 40mm.
  7. Outer (Theard) Diameter: M12
  8. Antivibration, dust, water and oil prevention
  9. Reverse power protection, short circuit protection, directly connecting with PLC
  10. Can replace small switches and limit switches

Package Includes :

1 x DC 6-36V M12 Inductive 4mm PNP-NO Proximity Sensor Switch


LJ12A3-4-Z/BY-5V M12 PNP-NO Switch

Operating Voltage (VDC)

6 ~ 36

Output Type

PNP Normally Open Three-line

Detection object

Metal Objects

Detection distance

4 mm

Output Current

300 mA

Working temperature (°C)

-25 ~ +70, ±15%


Metal and plastic


12 mm Screw Diameter

Weight (gm)


Cable Length (m):


Shipping Weight 0.05 kg
Shipping Dimensions 10 × 6 × 5 cm
15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects.  Reimbursement or replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Inductive Proximity Sensor Working Principle

This blog focuses on the technology behind the inductive...

Questions and answers of the customers

    what is the Length of this proximity sensor?
  1. 0 votes
    Q what is the Length of this proximity sensor? answer now
    Asked by Anonymous user on January 4, 2020 11:32 am
    A The Total Length of the cylinder is 62mm.
Only registered users are eligible to enter questions
Country Of Origin: China

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