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. 249-2530
Mfr. Part No.NBB10-30GM50-E2
TWD2,702.00
Each
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Barrel M30 x 1.5 PNP-NO 10 mm Cable 10 → 30 V dc - 50mm - - 30V Flush Mount - IP67
RS Stock No. 831-3749
Mfr. Part No.NBN8-18GM50-E2-V1
TWD2,397.00
Each
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Barrel M18 x 1 PNP-NO 8 mm M12 - 4 Pin 10 → 30 V dc - 65mm - - 30V Non Flush - IP67
RS Stock No. 249-2445
Mfr. Part No.NBB4-12GM50-E2-V1
TWD2,219.00
Each
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Barrel M12 x 1 PNP-NO 4 mm M12 - 4 Pin 10 → 30 V dc - 65mm - - 30V Flush Mount - IP67
RS Stock No. 105-8531
Mfr. Part No.NBB3-V3-Z4
TWD2,024.00
Each
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Block - NO 3 mm Cable 5 → 60 V dc - 27.8mm 16mm 10mm 60V Flush Mount - IP67
RS Stock No. 285-201
Mfr. Part No.NBB1,5-F79-E0
TWD1,750.00
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Block - NPN-NO 1.5 mm Wire Lead 5 → 30 V dc - 16mm 8mm 4.7mm 30V Flush Mount - IP67
RS Stock No. 667-7224
Mfr. Part No.NBN40-U1-E2
TWD3,404.00
Each
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Block - PNP-NO 40 mm M20 Gland 10 → 30 V dc - 118mm 40mm 40mm 30V - - IP69K
RS Stock No. 783-9981
Mfr. Part No.NCB50-FP-E2-P1
TWD6,803.00
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Block - PNP-NO 50 mm M20 Gland 10 → 60 V dc - 84mm 84mm 40mm 60V Flush Mount - IP68
RS Stock No. 784-0004
Mfr. Part No.NBN30-U1-E2
TWD3,404.00
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Block - PNP-NO 30 mm PG 13.5 Gland 10 → 30 V dc - 118mm 40mm 40mm 30V Non Flush - IP68, IP69K
RS Stock No. 249-2388
Mfr. Part No.NBB2-12GM50-E2-V1
TWD1,906.00
Each
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Barrel M12 x 1 PNP-NO 2 mm M12 - 4 Pin 10 → 30 V dc - 65mm - - 30V Flush Mount - IP67
RS Stock No. 831-3733
Mfr. Part No.NBN8-18GM50-E0
TWD2,397.00
Each
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Barrel M18 x 1 NPN-NO 8 mm Cable 10 → 30 V dc - 50mm - - 30V Non Flush - IP67
RS Stock No. 800-7563
Mfr. Part No.NBN4-12GM50-E2-V1
TWD1,975.00
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Barrel M12 x 1 PNP-NO 4 mm M12 - 4 Pin 10 → 30 V dc - 65mm - - 30V Non Flush - IP67
RS Stock No. 780-0084
Mfr. Part No.NBB5-18GM60-A2-V1
TWD3,247.00
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Barrel M18 x 1 PNP-NO/NC 5 mm M12 - 4 Pin 10 → 30 V dc - 70mm - - 30V Flush Mount - IP67
RS Stock No. 458-5454
Mfr. Part No.NBB4-12GM30-E2
TWD2,559.00
Each
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Barrel M12 x 1 PNP-NO 4 mm Cable 10 → 30 V dc - 30mm - - 30V - - IP67
RS Stock No. 831-3638
Mfr. Part No.NBN15-30GM50-E0
TWD2,702.00
Each
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Barrel M30 x 1.5 NPN-NO 15 mm Cable 10 → 30 V dc - 50mm - - 30V Non Flush - IP67
RS Stock No. 831-3635
Mfr. Part No.NBN15-30GM40-Z0
TWD2,910.00
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Barrel M30 x 1.5 NO 15 mm Cable 5 → 30 V dc - 40mm - - 60V Non Flush - IP67
RS Stock No. 831-3786
Mfr. Part No.NCN4-12GM40-Z0
TWD2,365.00
Each
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Barrel M12 x 1 NO 4 mm Cable 5 → 30 V dc - 40mm - - 60V Non Flush - IP67
RS Stock No. 350-5700
Mfr. Part No.NMB8-30GM55-E2-FE
TWD6,003.00
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Barrel M30 x 1.5 PNP-NO 8 mm Cable 10 → 30 V dc - 55mm - - 30V Flush Mount - IP69K
RS Stock No. 831-3685
Mfr. Part No.NBN4-12GM40-E0
TWD1,975.00
Each
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Barrel M12 x 1 NPN-NO 4 mm Cable 10 → 30 V dc - 40mm - - 30V Non Flush - IP67
RS Stock No. 184-8816
Mfr. Part No.NBB4-F1-E2
TWD3,103.00
Each
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Block - PNP-NO 4 mm Cable 10 → 30 V dc - 12mm 26mm 40mm 30V Flush Mount - IP67
RS Stock No. 184-8791
Mfr. Part No.NBN10-F10-E2-V1
TWD2,001.00
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Barrel - PNP-NO 10 mm M12 - 4 Pin 10 → 30 V dc - 25mm 38.5mm 25.5mm 30V Non Flush - IP67