Zhejiang, China
Business Type:
Number of Employees:
Year of Establishment:
Management System Certification:
ISO 9001, ISO 9000
OEM/ODM Service
Sample Available

Sensor, Proximity Switch, Switch manufacturer / supplier in China, offering Inductive Proximity Switch (IT18-3008NA) 6-36VDC Three-Wires DC NPN Normally Open Sensor with 8mm Detection Distance, Smun AC-DC Single Output 15W 5V 3A Switching Power Supply, SMB-70-24 70W 24V 3A Ultra-Thin Switching Power Supply Unit PSU and so on.

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Supplier Homepage Products Switches Proximity switch Inductive Proximity Switch (IT18-3008NA) 6-36VDC Three-Wires DC NPN Normally Open Sensor with 8mm Detection Distance

Inductive Proximity Switch (IT18-3008NA) 6-36VDC Three-Wires DC NPN Normally Open Sensor with 8mm Detection Distance

Get Latest Price
Purchase Qty. / Reference FOB Price
1-9 Pieces US $3
10-99 Pieces US $2.8
100-999 Pieces US $2.5
1,000-9,999 Pieces US $2.3
10,000+ Pieces US $2
Production Capacity: 1000 Piece / Day
Transport Package: Standard Export Package
Payment Terms: L/C, T/T, Paypal, Money Gram, Western Union
Type: Magnetic Field
Principle: Magnetic Field
Wires: NPN (Three-Wires)
Standard: Standard
Application: Machinery Process Center
Certification: ISO, RoHS, CE

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Basic Info

Model NO.: IT18-3008NA
Detection Distance: 8mm
Output Current: DC 200mA
Style: Non -Flush
Working Voltage: 6-36VDC
Length: 60mm
Wire Length: 1500mm
Opertating: -25~+75 Degree C
Warranty: 2 Years
Sample: Available
Trademark: Smun
Specification: CE RoHS ISO
Origin: Zhengjiang Province China

Product Description

Output Current
DC                         200mA
Scr                          300mA

Output voltage drop DC/AC

Less than 3.9V

Consumption current

DC12V : 8mA           DC24V: 15mA

Standard detected object

18*18*1     (A3 iron)

Repeated precision


Working enviroment temperature

-25C  -   +75C

DC/AC Response frequency

200HZ / 25HZ

Insulation resistance

more than 50  Ω

Shell material


Protection grade


Working principle inductive of proximity switch
  Inductive proximity  switch is composed of three parts:  oscillator, switch circuit  and magnified  output  circuit.
  The oscillator  will  generate an  alternating  electric  field.
  When hemetalobject approaches this electric field and reaches the induction distance, whirlpool will generate in metal object, resulting in attenuation of vibrati on and then stop.
  The changeof vibration and stop of oscillator is treated by behind stage mag- nifide circuit and convertedto switching  sign, triggering driving control for  non-contact detection.

  Features of proximity switch

Mian features:
Take high frequency oscillation type proximity sensor(front detector)as representative example to briefly explain general features of proximity switch

  About detected object:

  When the material of detected object is non magnetic metal, the distance of action should deseend.
   But when the foil material is approximately thicker than a.01mm,the detection distance  will be  the same  as that  of magnetic  objest.
  If the  fiIT plating is  ectremely thin or  non-conductive, detection cannot be conducted.
  The effect of cladding material,When detected object has cladding material, take note of the changing of detection distance.

  About  maintenance and overhaul
    ·In order to keep the proximity sensor to work stably for longtime, the following regular examinations should be performed just like general control

  1. Check the installation pocition of detected object and proximity sensor if any deviation,loosening or deformation exists.
  2.  Check  the  attached wires  and  connecting  parts if  any loosening,bad contact or wire breaking off exists.
  3. Check if there is any metallic powder accumulation or not.
  4. Check if the temperature condition and surrounding environment condition are normal or not.
  5. Check if the detection distance is normal or not.

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