Inductive Proximity Sensors

Inductive proximity sensors are a type of sensor that provide non-contact detection of metallic objects. Some sensors can target both ferrous and non-ferrous metals, while some sensors specialise in sensing only one type (ferrous or non-ferrous). Inductive proximity sensors can be cylindrical, rectangular, or encapsulated in flat housing.

Common types of inductive proximity sensors:
  • Long life/rugged – these ’metal face’ sensors feature a stainless steel enclosure that protects against abrasion, impact, aggressive fluids/solvent and explosive environments
  • Analogue output – alongside sensing metallic objects, this type of sensor can also provide information on the distance of the object from the sensor
  • Miniature – miniaturised solutions are available and ideal for use where space is limited
  • Pressure resistant – pressure resistant sensors are perfect for use in hydraulic cylinders and actuators
  • Bus enabled – these sensors can be attached to a network and used to help coordinate other systems such as diagnostics or supply line monitoring. They can be connected to programmable logic controllers

How do they work?
Inductive proximity sensors contain a coil and an oscillator that create an electromagnetic field close to the sensing surface. When metal enters this field, a change occurs in the oscillating amplitude. This in turn changes the sensor output, showing the user and/or corresponding equipment that metal has been sensed.
The operating distance varies between sensors, and can be affected by the target, the shape of what is being detected and what environment or material you are using the sensor in. These are all things to bear in mind when choosing the right sensor for your application.

Who uses them?
Inductive proximity sensors are suitable for use in virtually any industry. Common applications include the food and beverage industry, robotics, machine tools, packaging and materials handling among many others.

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Description Price Body Style Thread Size Output Type Detection Range Terminal Type Supply Voltage Communication Protocol Length Width Depth Maximum DC Voltage Mounting Type Maximum AC Voltage IP Rating
RS Stock No. 831-3663
Mfr. Part No.NBN3-8GM25-E2-V3
$132.00
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Barrel M8 x 1 PNP-NO 3 mm M8 - 3 Pin 10 → 30 V dc - 35mm - - 30V Non Flush - IP67
RS Stock No. 814-0323
Mfr. Part No.IER200
$146.62
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Barrel M8 x 1 PNP-NO 2 mm M12 - 4 Pin 10 → 36 V dc - 60mm - - 36V Flush Mount - IP67, IP68
RS Stock No. 470-6083
Mfr. Part No.IFL 10-30-10/01
BrandSchmersal
$230.20
Each
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Barrel M30 x 1.5 NO/NC 10 mm M16 Gland 250 V ac - 118mm - - - Flush Mount 250V IP67
RS Stock No. 610-5016
Mfr. Part No.3RG4023-0AG33-PF
$178.20
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Barrel M18 x 1 PNP-NO 8 mm Cable 15 → 34 V dc - 35mm - - 34V Flush Mount - IP67
RS Stock No. 312-9558
Mfr. Part No.NBB10-30GM60-A2
$128.70
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Barrel M30 x 1.5 PNP-NO/NC 10 mm Cable 10 → 30 V dc - 60mm - - 30V Flush Mount - IP67
RS Stock No. 814-0294
Mfr. Part No.IFW200
$136.44
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Barrel M12 x 1 PNP-NO 3 mm M12 - 4 Pin 10 → 30 V dc - 65mm - - 30V Flush Mount - IP67
RS Stock No. 752-2169
Mfr. Part No.XS4P18MB230
$460.85
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Barrel M18 x 1 NC 4 → 8 (Sd) mm, 8 (Sn) mm Pre-Wired 24 → 240 V ac/dc - 35.3mm - - 240V Non Flush 240V IP68
RS Stock No. 703-3723
Mfr. Part No.IME12-04BNSZCOS
BrandSick
$126.50
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Barrel M12 x 1 NPN-NO 4 mm M12 - 4 Pin 10 → 30 V dc - 65mm 12mm - 30V Flush Mount - IP67
RS Stock No. 695-6766
Mfr. Part No.XS612B1MBL2
$183.34
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Barrel M12 x 1 NC 4 mm Cable 24 → 240 V ac/dc - 53mm - - 264V Flush Mount 264V IP69K
RS Stock No. 158-4896
Mfr. Part No.IM0010
$306.28
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Block - NO/NC 20 mm M20 Gland 20 → 250 V ac/dc - 121mm 40mm 40mm 250V Non Flush 250V IP65
RS Stock No. 832-0793
Mfr. Part No.BI 2-M12-AP6X-H1141
BrandTurck
$207.09
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Barrel M12 x 1 PNP-NO 2 mm M12 - 4 Pin 10 → 30 V dc - 52mm - - 30V Flush Mount - IP67
RS Stock No. 902-7338
Mfr. Part No.BES M18MI-PSC50B-BV02
BrandBALLUFF
$104.46
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Barrel M18 x 1 PNP-NO 5 mm Cable 10 → 30 V dc - 56mm - - 30V Flush Mount - IP68
RS Stock No. 312-9520
Mfr. Part No.NBB5-18GM60-A0
$115.50
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Barrel M18 x 1 NPN-NO/NC 5 mm Cable 10 → 30 V dc - 60mm - - 30V Flush Mount - IP67
RS Stock No. 198-380
Mfr. Part No.XS4P12PA340L1
$182.61
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Barrel M12 x 1 PNP-NO 4 mm Cable 12 → 24 V dc - 33mm - - 36V Non Flush - IP68
RS Stock No. 831-3395
Mfr. Part No.NBB1.5-8GM50-Z3-V3
$194.58
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Barrel M8 x 1 NO 1.5 mm M8 - 3 Pin 10 → 30 V dc - 57mm - - 60V Flush Mount - IP67
RS Stock No. 181-607
Mfr. Part No.XS218AANAM12
$112.77
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Barrel M18 x 1 NPN-NO 12 mm M12 - 4 Pin 12 → 48 V dc - 70mm - - 58V Non Flush - IP69K
RS Stock No. 610-5044
Mfr. Part No.3RG4014-3KB00-PF
$244.20
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Barrel M30 x 1.5 NO 10 mm M12 - 4 Pin 20 → 265 V ac, 20 → 320 V dc - 69mm - - 320V Flush Mount 265V IP67
RS Stock No. 772-9852
Mfr. Part No.XS908R1PAM12
$223.78
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Barrel M8 x 1 PNP-NO 3 mm M12 - 4 Pin 12 → 24 V dc - 66mm - - 24V Flush Mount - IP67, IP69K
RS Stock No. 752-2210
Mfr. Part No.XS612B4PAL2
$99.76
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Barrel M12 x 1 PNP-NO 7 mm Cable 12 → 48 V ac/dc - 55mm - - 48V Non Flush 48V IP65, IP68
RS Stock No. 479-2668
Mfr. Part No.E2AM12KS04M1C1
BrandOmron
$87.63
Each
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Barrel M12 x 1 NPN-NO 4 mm M12 - 4 Pin 12 → 24 V dc - 48mm - - 32V Flush Mount - IP67
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