Best Proximity Sensors of 2025

Last updated on 13/10/2025
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1
AZDelivery M12 LJ12A3-4-Z/BX Inductive Proximity Sensor 12mm Switch Detector 300mA 6-36 VDC 5V NPN Normally Open (NO) 3 Wire compatible with Arduino (Pack of 3) Including E-Book!
AZDelivery M12 LJ12A3-4-Z/BX Inductive Proximity Sensor 12mm Switch Detector 300mA 6-36 VDC 5V NPN Normally Open (NO) 3 Wire compatible with Arduino (Pack of 3) Including E-Book!
AZDelivery
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Why we love it
  • Versatile for various materials.
  • Easy installation with helpful E-Book.
  • Includes protection against faults.
Main Highlights
  • ✅ The AZDelivery Inductive Proximity Sensor is a component widely used for detecting, controlling and non-contact switching
  • ✅ It is a component widely used for detecting, controlling and non-contact switching. A control signal is sent out when the proximity switch is close to a target object. The red LED indicates the sensor operating status.
  • ✅ Its object detecting target is not limited to conductors, also used for liquids and powders
  • ✅ Polarity reversal protection, short circuit protection. Operating voltage from 6V up to 36V DC.
  • ✅ This product includes an E-Book that provides useful information on how to begin your project, it helps with a quick setup and saves time on the configuration process. We provide an array of application examples, full installation guides and libraries.
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9.8
Exceptional
9.8
Exceptional
AZDelivery
AZDelivery M12 LJ12A3-4-Z/BX Inductive Proximity Sensor 12mm Switch Detector 300mA 6-36 VDC 5V NPN Normally Open (NO) 3 Wire compatible with Arduino (Pack of 3) Including E-Book!
Free Shipping
Why we love it
  • Versatile for various materials.
  • Easy installation with helpful E-Book.
  • Includes protection against faults.
Main Highlights
  • ✅ The AZDelivery Inductive Proximity Sensor is a component widely used for detecting, controlling and non-contact switching
  • ✅ It is a component widely used for detecting, controlling and non-contact switching. A control signal is sent out when the proximity switch is close to a target object. The red LED indicates the sensor operating status.
  • ✅ Its object detecting target is not limited to conductors, also used for liquids and powders
  • ✅ Polarity reversal protection, short circuit protection. Operating voltage from 6V up to 36V DC.
  • ✅ This product includes an E-Book that provides useful information on how to begin your project, it helps with a quick setup and saves time on the configuration process. We provide an array of application examples, full installation guides and libraries.
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Value for Money
2
Taiss/Indoor Wall Mounted Photoelectric Beam Sensor 24-240VDC 24-240VAC Retroreflective photoelectric Sensor Switch Proximity Switch Induction Distance 5M BEN5M
Taiss/Indoor Wall Mounted Photoelectric Beam Sensor 24-240VDC 24-240VAC Retroreflective photoelectric Sensor Switch Proximity Switch Induction Distance 5M BEN5M
Taiss
Free Shipping
Why we love it
  • Reliable detection up to 5m.
  • Wide voltage supply range.
  • Robust IP65 protection rating.
Main Highlights
  • Modle: BEN5M-MFR; Relection Type: Specular Reflection; Supply Voltage: 12-240VDC 24-240VAC;Load Rating: 3A 250VAC
  • Detection distance: 5m;Cable Long: 2M; Response Time: < 30ms; Induction Frequency: 200HZ;Output Current: 2A.
  • Indicator Light Color: Green;LEDs - Green: Active ; LEDs - Yellow: Standby; Current consumption: 15mA; Working temperature: -25-55 degrees; Output: Relay Output
  • Protection: IP65 ; Body Size: 2.00x1.98x0.75 inch ; Weight: 185g
  • Package Content: 1 x Photoelectric Switch, 1 x Reflector Panel,
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9.7
Exceptional
9.7
Exceptional
Taiss
Taiss/Indoor Wall Mounted Photoelectric Beam Sensor 24-240VDC 24-240VAC Retroreflective photoelectric Sensor Switch Proximity Switch Induction Distance 5M BEN5M
Free Shipping
Why we love it
  • Reliable detection up to 5m.
  • Wide voltage supply range.
  • Robust IP65 protection rating.
Main Highlights
  • Modle: BEN5M-MFR; Relection Type: Specular Reflection; Supply Voltage: 12-240VDC 24-240VAC;Load Rating: 3A 250VAC
  • Detection distance: 5m;Cable Long: 2M; Response Time: < 30ms; Induction Frequency: 200HZ;Output Current: 2A.
  • Indicator Light Color: Green;LEDs - Green: Active ; LEDs - Yellow: Standby; Current consumption: 15mA; Working temperature: -25-55 degrees; Output: Relay Output
  • Protection: IP65 ; Body Size: 2.00x1.98x0.75 inch ; Weight: 185g
  • Package Content: 1 x Photoelectric Switch, 1 x Reflector Panel,
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3
BHIRH-250A Patented 250W IR Sensor Switch Dual Voltage 100-240V Intelligent Light Lamps Motion Sensing Switch IP20 5-10CM Used OUTSIDE of Cabinet,Working by Hand Moving,Max.70W for LEDs
BHIRH-250A Patented 250W IR Sensor Switch Dual Voltage 100-240V Intelligent Light Lamps Motion Sensing Switch IP20 5-10CM Used OUTSIDE of Cabinet,Working by Hand Moving,Max.70W for LEDs
HoneyFly
Free Shipping
Why we love it
  • Very high-quality construction.
  • Easy to install.
  • Smart and convenient.
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9.7
Exceptional
9.7
Exceptional
HoneyFly
BHIRH-250A Patented 250W IR Sensor Switch Dual Voltage 100-240V Intelligent Light Lamps Motion Sensing Switch IP20 5-10CM Used OUTSIDE of Cabinet,Working by Hand Moving,Max.70W for LEDs
Free Shipping
Why we love it
  • Very high-quality construction.
  • Easy to install.
  • Smart and convenient.
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4
Maclean MCE135 Motion Detector PIR Opening Closing Door Short Distance Energy Saving
Maclean MCE135 Motion Detector PIR Opening Closing Door Short Distance Energy Saving
Maclean
11% OffFree Shipping
Why we love it
  • Motion sensor detects movement easily.
  • Automatically turns on and off.
  • Versatile for various spaces.
Main Highlights
  • ▶ PIR motion sensor with detection range of up to 5-6m
  • ▶ After opening the door, the light turns on, after closing the door, the light turns off.
  • ▶ It is suitable for automatic lighting control of entrance areas, closets, stairs, storage rooms, basements, etc.
  • ▶ Practical and energy saving ▶ For automatic control of lighting
  • ▶ Suitable for both LED and incandescent lamps
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9.7
Exceptional
9.7
Exceptional
Maclean
Maclean MCE135 Motion Detector PIR Opening Closing Door Short Distance Energy Saving
11% OffFree Shipping
Why we love it
  • Motion sensor detects movement easily.
  • Automatically turns on and off.
  • Versatile for various spaces.
Main Highlights
  • ▶ PIR motion sensor with detection range of up to 5-6m
  • ▶ After opening the door, the light turns on, after closing the door, the light turns off.
  • ▶ It is suitable for automatic lighting control of entrance areas, closets, stairs, storage rooms, basements, etc.
  • ▶ Practical and energy saving ▶ For automatic control of lighting
  • ▶ Suitable for both LED and incandescent lamps
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5
DollaTek Replacement LJ12A3-4-Z/BX Inductive Proximity Sensor Switch 3-Wire NPN DC6-36V - 5PCS
DollaTek Replacement LJ12A3-4-Z/BX Inductive Proximity Sensor Switch 3-Wire NPN DC6-36V - 5PCS
DollaTek
Free Shipping
Why we love it
  • Efficient noncontact sensing technology.
  • Robust protection against faults.
  • Convenient multi-pack for savings.
Main Highlights
  • nductive Proximity Switch,It is a component widely used in automatic control industry for detecting, controlling, and noncontact switching.
  • When proximity switch is close to some target object, it will send out control signal. Over-current and short circuit protection, with LED indicate, easily identifiable.
  • Package Included: 5PCS LJ12A3-4-Z/BX Inductive Proximity Sensor Switch 3-Wire NPN DC6-36V
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9.7
Exceptional
9.7
Exceptional
DollaTek
DollaTek Replacement LJ12A3-4-Z/BX Inductive Proximity Sensor Switch 3-Wire NPN DC6-36V - 5PCS
Free Shipping
Why we love it
  • Efficient noncontact sensing technology.
  • Robust protection against faults.
  • Convenient multi-pack for savings.
Main Highlights
  • nductive Proximity Switch,It is a component widely used in automatic control industry for detecting, controlling, and noncontact switching.
  • When proximity switch is close to some target object, it will send out control signal. Over-current and short circuit protection, with LED indicate, easily identifiable.
  • Package Included: 5PCS LJ12A3-4-Z/BX Inductive Proximity Sensor Switch 3-Wire NPN DC6-36V
Show More
6
Gebildet 2pcs Metal Inductive Proximity Sensor Detection Switch, LJ12A3-4-Z/BX Detector 4mm 6-36 VDC 300 mA NPN Normally Open (NO) 3-Wire
Gebildet 2pcs Metal Inductive Proximity Sensor Detection Switch, LJ12A3-4-Z/BX Detector 4mm 6-36 VDC 300 mA NPN Normally Open (NO) 3-Wire
Gebildet
Free Shipping
Why we love it
  • Plug and play installation ease.
  • Built-in short-circuit protection.
  • Reliable metal object detection.
Main Highlights
  • 1. This Sensor Has A Pre Soldered Connector-Sensor Works Perfectly -Plug And Play- With Pre Soldered Connector -Nuts And Spacers
  • 2. Power supply reversal connection protection; short-circuit protection, can directly connect with PLC
  • 3. Type: LJ12A3-4-Z/BX Detecting Distanc : 4mm; Supply Voltage: DC 6-36V; Current Output: 300mA; Response Frequency: 200Hz
  • 4. Detect Object: Metal; Operating Red LED indicates that it's available to detect the sensor operation state. Economic and simple operation.
  • 5. Wire Type: 3 Wire Type (Black, Brown, Blue); Switch Appearance Type: Cylinder Type
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9.6
Superb
9.6
Superb
Gebildet
Gebildet 2pcs Metal Inductive Proximity Sensor Detection Switch, LJ12A3-4-Z/BX Detector 4mm 6-36 VDC 300 mA NPN Normally Open (NO) 3-Wire
Free Shipping
Why we love it
  • Plug and play installation ease.
  • Built-in short-circuit protection.
  • Reliable metal object detection.
Main Highlights
  • 1. This Sensor Has A Pre Soldered Connector-Sensor Works Perfectly -Plug And Play- With Pre Soldered Connector -Nuts And Spacers
  • 2. Power supply reversal connection protection; short-circuit protection, can directly connect with PLC
  • 3. Type: LJ12A3-4-Z/BX Detecting Distanc : 4mm; Supply Voltage: DC 6-36V; Current Output: 300mA; Response Frequency: 200Hz
  • 4. Detect Object: Metal; Operating Red LED indicates that it's available to detect the sensor operation state. Economic and simple operation.
  • 5. Wire Type: 3 Wire Type (Black, Brown, Blue); Switch Appearance Type: Cylinder Type
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7
DAOKAI Inductive Proximity Sensor NJK-5002C 10 mm distance Hall sensor magnetic proximity switch NPN 3-cables Normally Open DC 5-30V M12 with M12 Bracket magnet, pack of 2
DAOKAI Inductive Proximity Sensor NJK-5002C 10 mm distance Hall sensor magnetic proximity switch NPN 3-cables Normally Open DC 5-30V M12 with M12 Bracket magnet, pack of 2
DAOKAI
Free Shipping
Why we love it
  • Reliable magnetic sensing technology.
  • Compact design for easy installation.
  • Wide voltage range compatibility.
Main Highlights
  • 【WHAT IT DOES】 : This is a Hall sensor magnetic proximity switch.When the proximity switch approaches a target object, it will send a control signal
  • 【INPUT AND OUTPUT】 : This Hall NPN sensor consists of a voltage regulator, a voltage generator, a differential amplifier, a Schmitt trigger and an open collector output. The input is magnetic induction and the output is a digital voltage signal
  • 【ADVANTAGES】 : Long life, small size, easy installation, proximity switch is protected by TVS tube, strong anti-interference ability
  • 【OUTPUT】 : This proximity switch is a NPN three-wire normally open type
  • 【WIDE VOLTAGE RANGE】 : This proximity switch has a wide voltage range and can input a voltage of DC 5-30V
  • 【SPECIFICATIONS】 : Model: NJK-5002C;Power supply voltage: DC 5-30V;Detection distance: 10 mm;Load current: less than 150 mA;Objects can be detected: permanent magnets
  • 【PRODUCTS INCLUDE】 : 2 x M12 NJK-5002C Proximity Sensor;4 x M12 Proximity switch bracket;2 x Magnet
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9.5
Superb
9.5
Superb
DAOKAI
DAOKAI Inductive Proximity Sensor NJK-5002C 10 mm distance Hall sensor magnetic proximity switch NPN 3-cables Normally Open DC 5-30V M12 with M12 Bracket magnet, pack of 2
Free Shipping
Why we love it
  • Reliable magnetic sensing technology.
  • Compact design for easy installation.
  • Wide voltage range compatibility.
Main Highlights
  • 【WHAT IT DOES】 : This is a Hall sensor magnetic proximity switch.When the proximity switch approaches a target object, it will send a control signal
  • 【INPUT AND OUTPUT】 : This Hall NPN sensor consists of a voltage regulator, a voltage generator, a differential amplifier, a Schmitt trigger and an open collector output. The input is magnetic induction and the output is a digital voltage signal
  • 【ADVANTAGES】 : Long life, small size, easy installation, proximity switch is protected by TVS tube, strong anti-interference ability
  • 【OUTPUT】 : This proximity switch is a NPN three-wire normally open type
  • 【WIDE VOLTAGE RANGE】 : This proximity switch has a wide voltage range and can input a voltage of DC 5-30V
  • 【SPECIFICATIONS】 : Model: NJK-5002C;Power supply voltage: DC 5-30V;Detection distance: 10 mm;Load current: less than 150 mA;Objects can be detected: permanent magnets
  • 【PRODUCTS INCLUDE】 : 2 x M12 NJK-5002C Proximity Sensor;4 x M12 Proximity switch bracket;2 x Magnet
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8
Youmile 2 pcs Inductive Proximity Sensor DC5-30V NJK-5002C Hall Sensor Hall Effect Switch Proximity Sensor NPN 3-Wires Normally Open with Magnet Proximity switch bracket M12
Youmile 2 pcs Inductive Proximity Sensor DC5-30V NJK-5002C Hall Sensor Hall Effect Switch Proximity Sensor NPN 3-Wires Normally Open with Magnet Proximity switch bracket M12
Youmile
Free Shipping
Why we love it
  • Sensitive detection of objects.
  • Easy installation and setup.
  • Versatile applications in automation.
Main Highlights
  • 【Product introduction】: This Hall NPN sensor consists of voltage regulator, voltage generator, difference amplifier, Schmitt trigger and open collector output. The input are the magnetic induction, the output is a digital voltage signal.
  • 【Features】: Wide supply voltage range. The built-in intelligent sensing chip of the proximity switch can sensitively detect objects, when proximity switch is close to single target object, it will send control signal.
  • 【Advantages】: Long life, small volume, convenient installation. The proximity switch has TVS tube protection and strong anti‑interference ability.
  • 【Direct connection】: Can directly connect the transistor and TTL, MOS and so on logic circuit. Bring you a new and different using feeling
  • 【Application range】: Widely used in the automatic control industry for detection, control and non-contact switches.
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9.4
Superb
9.4
Superb
Youmile
Youmile 2 pcs Inductive Proximity Sensor DC5-30V NJK-5002C Hall Sensor Hall Effect Switch Proximity Sensor NPN 3-Wires Normally Open with Magnet Proximity switch bracket M12
Free Shipping
Why we love it
  • Sensitive detection of objects.
  • Easy installation and setup.
  • Versatile applications in automation.
Main Highlights
  • 【Product introduction】: This Hall NPN sensor consists of voltage regulator, voltage generator, difference amplifier, Schmitt trigger and open collector output. The input are the magnetic induction, the output is a digital voltage signal.
  • 【Features】: Wide supply voltage range. The built-in intelligent sensing chip of the proximity switch can sensitively detect objects, when proximity switch is close to single target object, it will send control signal.
  • 【Advantages】: Long life, small volume, convenient installation. The proximity switch has TVS tube protection and strong anti‑interference ability.
  • 【Direct connection】: Can directly connect the transistor and TTL, MOS and so on logic circuit. Bring you a new and different using feeling
  • 【Application range】: Widely used in the automatic control industry for detection, control and non-contact switches.
Show More
9
Youmile 2PCS DC 6-36V Inductive Proximity Sensor Switch SN04-N 300mA 4mm Auto Leveling Sensor NPN NO Three Wire Proximity Switch with 2PCS Bracket
Youmile 2PCS DC 6-36V Inductive Proximity Sensor Switch SN04-N 300mA 4mm Auto Leveling Sensor NPN NO Three Wire Proximity Switch with 2PCS Bracket
Youmile
Free Shipping
Why we love it
  • Durable ABS plastic construction.
  • Accurate metal detection capabilities.
  • Versatile for various applications.
Main Highlights
  • ✅【PARAMETER】Model: SN04-N; Theory: Inductance Sensor; Wire Type : 3 Wire(Brown, Black, Blue); Voltage: DC 6-36V; Current Output: 300mA
  • ✅【MATERIAL】:Made of ABS plastic shell to ensure a long time use and excellent performance.
  • ✅【DETECTION】:Detect Distance: 4mm; Detect Object: Metal / Iron
  • ✅【APPLICATION】:widely used for machine tool industry, frequency counters and other automatic control system, for example, you can use it for DIY 3D Printer.
  • ✅【PACKAGE CONTENT】:2 x DC 6-36V Inductive Proximity Sensor Switch, 2 x SN04 Bracket
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9.2
Superb
9.2
Superb
Youmile
Youmile 2PCS DC 6-36V Inductive Proximity Sensor Switch SN04-N 300mA 4mm Auto Leveling Sensor NPN NO Three Wire Proximity Switch with 2PCS Bracket
Free Shipping
Why we love it
  • Durable ABS plastic construction.
  • Accurate metal detection capabilities.
  • Versatile for various applications.
Main Highlights
  • ✅【PARAMETER】Model: SN04-N; Theory: Inductance Sensor; Wire Type : 3 Wire(Brown, Black, Blue); Voltage: DC 6-36V; Current Output: 300mA
  • ✅【MATERIAL】:Made of ABS plastic shell to ensure a long time use and excellent performance.
  • ✅【DETECTION】:Detect Distance: 4mm; Detect Object: Metal / Iron
  • ✅【APPLICATION】:widely used for machine tool industry, frequency counters and other automatic control system, for example, you can use it for DIY 3D Printer.
  • ✅【PACKAGE CONTENT】:2 x DC 6-36V Inductive Proximity Sensor Switch, 2 x SN04 Bracket
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10
Jadeshay Photoelectric Sensor Switch,12-24VDC Photoelectric Beam Sensor E3JK-4M1 Retroreflective Photoelectric Sensor Proximity Switch Reflector Induction Distance 4 Meter
Jadeshay Photoelectric Sensor Switch,12-24VDC Photoelectric Beam Sensor E3JK-4M1 Retroreflective Photoelectric Sensor Proximity Switch Reflector Induction Distance 4 Meter
Jadeshay
Free Shipping
Why we love it
  • Reflective detection for various objects.
  • User-friendly adjustable distance feature.
  • Wide applications in multiple industries.
Main Highlights
  • 【Reflective Detection Function】Photoelectric switch use test objects to block or reflect light beams, and synchronous loop gating circuits detect the presence or absence of objects. All objects that can reflect light can be detected.
  • 【Easy to Use】Can be adjusted to the distance you need by the regulator, the maximum distance to the reflector can be 5 metres. The switching status of the photoelectric switch is indicated by LED. Reflective photoelectric sensor with high precision sensing can achieve fast and efficient object sensitive detection.
  • 【Widely Used】Comes with metal mounting bracket, easy to install. With polarity protection function to prevent reverse wiring. This fast shutter door sensor can be used in various fields that require testing, such as printing, automotive repair, chemical industry and so on.
  • 【Built in Intelligent Sensor Chip】Infrared detection design,the grating of the photoelectric switch emits an infrared beam which is reflected back by the supplied reflector and detected by the grating. If the beam is interrupted, the relay will switch.
  • 【Strong Anti-Interference Ability】Integrated circuit technology and SMT surface mount technology have produced a new generation of optical switching devices with delay, widening, external synchronization, anti-interference, high reliability, regional stability, and intelligent self-diagnosis functions.
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9.1
Superb
9.1
Superb
Jadeshay
Jadeshay Photoelectric Sensor Switch,12-24VDC Photoelectric Beam Sensor E3JK-4M1 Retroreflective Photoelectric Sensor Proximity Switch Reflector Induction Distance 4 Meter
Free Shipping
Why we love it
  • Reflective detection for various objects.
  • User-friendly adjustable distance feature.
  • Wide applications in multiple industries.
Main Highlights
  • 【Reflective Detection Function】Photoelectric switch use test objects to block or reflect light beams, and synchronous loop gating circuits detect the presence or absence of objects. All objects that can reflect light can be detected.
  • 【Easy to Use】Can be adjusted to the distance you need by the regulator, the maximum distance to the reflector can be 5 metres. The switching status of the photoelectric switch is indicated by LED. Reflective photoelectric sensor with high precision sensing can achieve fast and efficient object sensitive detection.
  • 【Widely Used】Comes with metal mounting bracket, easy to install. With polarity protection function to prevent reverse wiring. This fast shutter door sensor can be used in various fields that require testing, such as printing, automotive repair, chemical industry and so on.
  • 【Built in Intelligent Sensor Chip】Infrared detection design,the grating of the photoelectric switch emits an infrared beam which is reflected back by the supplied reflector and detected by the grating. If the beam is interrupted, the relay will switch.
  • 【Strong Anti-Interference Ability】Integrated circuit technology and SMT surface mount technology have produced a new generation of optical switching devices with delay, widening, external synchronization, anti-interference, high reliability, regional stability, and intelligent self-diagnosis functions.
Show More