{"product_id":"inductive-proximity-switch-tl-w3-w5-npn-pnp-no-nc-3-wire-sensor","title":"Inductive Proximity Switch TL-W3\/W5 NPN PNP 3-Wire Sensor","description":"\u003ch2\u003eInductive Proximity Switch – TL-W3 \/ TL-W5 Series | NPN \u0026amp; PNP, NO \u0026amp; NC\u003c\/h2\u003e\n\u003cp\u003eDetect metal objects quickly and reliably with this compact square inductive proximity switch. Compatible with models \u003cstrong\u003eTL-W3MC1, TL-W5MC2, TL-W3MB1\u003c\/strong\u003e, and \u003cstrong\u003eTL-W5MB2\u003c\/strong\u003e, this CE-certified 3-wire sensor delivers fast, accurate non-contact metal detection for industrial automation, machinery, conveyor systems, and DIY electronics projects.\u003c\/p\u003e\n\n\u003cp\u003eMade in China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e Supports NPN and PNP output types in both Normally Open (NO) and Normally Closed (NC) configurations — choose the exact version your application requires.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFast Response:\u003c\/strong\u003e Response time under 0.5ms with a switching frequency of 1KHz — ideal for high-speed automation lines.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Square Design:\u003c\/strong\u003e Small form factor fits into tight spaces on machinery, fixtures, and control panels without sacrificing performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIP67 Waterproof \u0026amp; Dustproof:\u003c\/strong\u003e Fully protected against dust ingress and short-term water immersion — built for demanding workshop and industrial environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReverse Polarity Protection:\u003c\/strong\u003e Built-in protection safeguards the sensor from incorrect wiring connections, adding an extra layer of reliability.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLED Indicator:\u003c\/strong\u003e On-board LED provides instant visual confirmation of detection status during setup and operation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Operating Temperature:\u003c\/strong\u003e Functions reliably from -25°C to 75°C, suitable for both cold storage and warm production environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTL-W3MC1 \/ TL-W5MC2 \/ TL-W3MB1 \/ TL-W5MB2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSensor Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInductive Proximity Switch (3-Wire)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNPN \/ PNP, NO \/ NC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDetection Distance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.4 mm (TL-W3) \/ 4 mm (TL-W5)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10–24V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e300 mA max\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResponse Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.5 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResponse Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSwitching Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 KHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-25°C to +75°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eABS Plastic\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtection Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP67\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIndicator\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLED\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReverse Polarity Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCE\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Inductive Proximity Switch (model as selected)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the difference between the TL-W3 and TL-W5 proximity switch models?\u003c\/h4\u003e\n\u003cp\u003eA: The main difference is the sensing distance. The TL-W3 series detects metal objects at up to 2.4 mm, while the TL-W5 series offers an extended detection range of up to 4 mm. Both are available in NPN\/PNP and NO\/NC output configurations.\u003c\/p\u003e\n\u003ch4\u003eQ: Can this inductive proximity switch be used outdoors or in wet environments?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. With an IP67 protection rating, the sensor is fully sealed against dust and can withstand temporary immersion in water, making it suitable for wet, dusty, or outdoor industrial environments.\u003c\/p\u003e\n\u003ch4\u003eQ: How do I know which output type (NPN or PNP, NO or NC) I need?\u003c\/h4\u003e\n\u003cp\u003eA: NPN (sinking) output is commonly used with PLCs and controllers that have sourcing inputs, while PNP (sourcing) output suits sinking inputs. NO (Normally Open) means the circuit closes when an object is detected; NC (Normally Closed) means the circuit opens upon detection. Refer to your controller's wiring diagram to select the correct configuration for your application.\u003c\/p\u003e\n\u003ch4\u003eQ: What operating voltage does this proximity sensor require?\u003c\/h4\u003e\n\u003cp\u003eA: This proximity switch operates on 10–24V DC, making it compatible with a wide range of standard industrial power supplies and microcontroller-based systems.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the difference between the TL-W3 and TL-W5 proximity switch models?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The main difference is the sensing distance. The TL-W3 series detects metal objects at up to 2.4 mm, while the TL-W5 series offers an extended detection range of up to 4 mm. Both are available in NPN\/PNP and NO\/NC output configurations.\"}}, {\"@type\": \"Question\", \"name\": \"Can this inductive proximity switch be used outdoors or in wet environments?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. With an IP67 protection rating, the sensor is fully sealed against dust and can withstand temporary immersion in water, making it suitable for wet, dusty, or outdoor industrial environments.\"}}, {\"@type\": \"Question\", \"name\": \"How do I know which output type (NPN or PNP, NO or NC) I need?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"NPN (sinking) output is commonly used with PLCs and controllers that have sourcing inputs, while PNP (sourcing) output suits sinking inputs. NO (Normally Open) means the circuit closes when an object is detected; NC (Normally Closed) means the circuit opens upon detection. 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