SN04-N NPN NO 5mm Distance Detector Proximity Sensor Switch Module

(3 customer reviews)

In stock

SKU: 52059
  1. Operating Voltage(V): 10 ~30
  2. Current Consumption Max: 5 mA
  3. Detection distance(mm): 5 mm.
  4. Type of detection: Inductive.
  5. Cable Length: 145 cm.
  6. Response Frequency: 500Hz Max.
  7. Protection class: IP 67.


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Category: Other Proximity Sensor & Modules
Tags: Proximity Sensor, Metal Detector, Metal Sensor, NO Proximity Sensor, NPN Proximity Sensor, SN04-N

This SN04-N NPN NO 5mm Distance Detector Proximity Sensor Switch Module will detect the presence of a metallic object within 4mm of the surface of the sensor.

The detection distance may vary slightly depending on the shape, size, and type of metal the object is made of. It can detect through thin, non-metallic materials and has an LED indicator that turns on when the device is powered and increases in brightness when an object is detected.

Wire Connections:

  1. Brown wire: 10 ~ 30 VDC (+Ve).
  2. Blue wire: 0 V (GND).
  3. Black wire: signal.
Note: This product is available in two colors as Green and Blue, which are shipped randomly to our customers. 

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. Antivibration, dust, water and oil prevention
  6. Reverse power protection, short circuit protection, directly connecting with PLC
  7. It can replace small switches and limit switches.

Package Includes :

1 x SN04-N NPN NO 5mm Distance Detector Proximity Sensor Switch Module



Detection distance

5 mm

Output Type

NO(Normally Open)

Operating Voltage (VDC):

10 ~ 30

Current Consumption (mA)


Cable Length (m):



ABS Plastic

Operating Indicator


Length (mm):


Width (mm):


Height (mm):


Weight (g):


Shipping Weight 0.05 kg
Shipping Dimensions 8 × 8 × 8 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. 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.

Based on 3 reviews

4.7 overall

Add a review

  1. Abdul

    Good Price & Quality,Fast Delivery


  2. Anand Kapoor (verified owner)

    working properly, prompt service

    Anand Kapoor

  3. Savita kanojiya (verified owner)

    It’s a good product and solved my purpose with incense making machine.

    Savita kanojiya


Inductive Proximity Sensor Working Principle

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

Questions and answers of the customers

  1. 0 votes
    Q can we use this with ESP32 ? answer now
    Asked by ameenhatim on April 25, 2024 12:00 pm

    Yes, you can use this with ESP 32 

  2. 0 votes
    Q would it work on 24 Vdc? answer now
    Asked by aniruddha on August 12, 2023 7:47 am

    Yes it will as its operating range is 10 -30vdc... Read more

Only registered users are eligible to enter questions
Country Of Origin: China

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