SN04-N NPN DC 6-36V, 5mm Distance Detector Proximity Sensor Switch Module (Normally Open)
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SN04-N NPN DC 6-36V, 5mm Distance Detector Proximity Sensor Switch Module (Normally Open)

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  • Product SKU: KG978
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The "SN04-N NPN" inductive proximity sensor is a type of sensor commonly used in industrial automation for detecting the presence or absence of metal objects.

Specifications of Inductive proximity sensor:

Model: SN04-N
Type: NPN
Operating Voltage: DC 6-36V
Detection Distance: 5mm
Connection: Normally Open (NO)

Here's what each of these specifications means:

Model (SN04-N): This is the specific model or part number of the proximity sensor switch module.

Type (NPN): NPN stands for "Negative-Positive-Negative." In the context of proximity sensors, it refers to the type of output the sensor provides. NPN sensors switch the output to the negative supply voltage when they detect an object within their detection range.

Operating Voltage (DC 6-36V): This sensor can operate within a voltage range of 6 to 36 volts DC. It means you can power it using a direct current (DC) voltage source within this specified range.

Detection Distance (5mm): This sensor is designed to detect objects at a maximum distance of 5 millimeters from its sensing face. If an object comes within this range, the sensor will trigger its output.

Connection (Normally Open - NO): This indicates the default state of the sensor's output. In the "Normally Open" state, the sensor's output is disconnected (open) when there is no object detected within its sensing range. When an object is detected, the output connects (closes).

Technical Details

  • Model : SN04-N NPN-NO
  • Type: Inductive
  • Detection distance: 5 mm
  • Output Type : NO(Normally Open)
  • Operating Voltage (VDC): 6 ~ 36
  • Current Consumption (mA): 5
  • Operating Indicator: Red LED
  • Cable length:150mm


  • Red LED checks the state of the proximity sensor
  • High repeated positioning accuracy
  • High switching frequency
  • Wide voltage range
  • Antivibration, dust, water, and oil prevention
  • Reverse power protection, short circuit protection, directly connecting with PLC
  • It can replace small switches and limit switches.

    Wire Connections:

    • Brown wire: 10 ~ 30 VDC (+Ve).
    • Blue wire: 0 V (GND)
    • Black wire: signal

    Product Video

    Package Includes

    • 1 x SN04-N NPN DC 6-36V, 5mm Distance Detector Proximity Sensor Switch Module (Normally Open)

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