{"product_id":"sme-8-k-led-230-festo-magnetic-cylinder-switch-t-slot-proximity-sensor","title":"SME-8-K-LED-230 FESTO Magnetic Cylinder Switch T-Slot Proximity Sensor","description":"\u003ch3\u003eGlobal PLC Spare HUB's Insight\u003c\/h3\u003e\n\u003cp\u003eField maintenance technicians frequently face intermittent position feedback issues in high-speed pneumatic cylinder applications due to magnetic drift or improper slot retention. Drawing from our hands-on automation troubleshooting experience, the \u003cstrong\u003eFESTO\u003c\/strong\u003e \u003cstrong\u003eSME-8-K-LED-230\u003c\/strong\u003e reed magnetic proximity sensor delivers reliable switching performance for standard T-slot actuators. Its robust IP68 construction and broad 3V to 230V AC\/DC operating range make it an optimal choice for legacy and modern automated machinery alike.\u003c\/p\u003e\n\n\u003ch3\u003eCore Product Architecture\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned specifically for standard T-slot pneumatic actuators and linear drives.\u003c\/li\u003e\n  \u003cli\u003eUtilizes a dependable magnetic reed measuring principle for direct contact switching.\u003c\/li\u003e\n  \u003cli\u003eEquipped with a high-visibility yellow LED for instant operational status tracking.\u003c\/li\u003e\n  \u003cli\u003eFeatures a flexible 2.5-meter TPE-U(PUR) cable with open-end connections.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Performance Matrix\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n    \u003cth\u003eTechnical Parameter\u003c\/th\u003e\n    \u003cth\u003eSpecification Detail\u003c\/th\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e\u003cstrong\u003eFESTO\u003c\/strong\u003e\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e\u003cstrong\u003eSME-8-K-LED-230\u003c\/strong\u003e\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e\n\u003cstrong\u003eSME-8\u003c\/strong\u003e Series\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e\u003cstrong\u003eProximity Sensor\u003c\/strong\u003e\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eMeasuring Principle\u003c\/td\u003e\n    \u003ctd\u003eMagnetic reed\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eSwitching Output\u003c\/td\u003e\n    \u003ctd\u003eContacting, bipolar N\/O contact\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eOperating Voltage Range\u003c\/td\u003e\n    \u003ctd\u003e3 V to 230 V AC \/ DC\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eMax. Output Current\u003c\/td\u003e\n    \u003ctd\u003e120 mA\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eMax. Contact Rating\u003c\/td\u003e\n    \u003ctd\u003eAC 10 VA \/ DC 10 W\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eSwitching Frequency\u003c\/td\u003e\n    \u003ctd\u003eMax. 500 Hz\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eVoltage Drop\u003c\/td\u003e\n    \u003ctd\u003e≤ 3.9 V\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eReproducibility \/ Repetition Accuracy\u003c\/td\u003e\n    \u003ctd\u003e± 0.1 mm\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eSwitch-on \/ Switch-off Time\u003c\/td\u003e\n    \u003ctd\u003e2 ms \/ 0.03 ms\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eAmbient Temperature Range\u003c\/td\u003e\n    \u003ctd\u003e-30°C to 60°C\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eProtection Class \u0026amp; Housing\u003c\/td\u003e\n    \u003ctd\u003eIP68 rating, PET and stainless steel housing\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eTightening Torque\u003c\/td\u003e\n    \u003ctd\u003e0.2 Nm for T-slot clamp mounting\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eInstallation and Setup Guidance\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSlide the sensor longitudinally into the actuator T-slot from either end.\u003c\/li\u003e\n  \u003cli\u003ePosition the sensing unit near the desired stroke endpoint using manual actuation for alignment.\u003c\/li\u003e\n  \u003cli\u003eSecure the mounting screw carefully to a maximum tightening torque of 0.2 Nm to prevent housing deformation.\u003c\/li\u003e\n  \u003cli\u003eRoute the 2.5-meter cable away from high-voltage power lines to mitigate electromagnetic noise coupling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eOperational Diagnostics and Maintenance\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eMonitor the integrated yellow LED indicator during cylinder cycling to verify contact closure instantly.\u003c\/li\u003e\n  \u003cli\u003eCheck the cable sheath periodically for signs of mechanical wear or chemical degradation in harsh environments.\u003c\/li\u003e\n  \u003cli\u003eVerify terminal screw tightness at control panel junction boxes annually to prevent high-resistance joints.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eEquipment Compatibility and Application Scenarios\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFESTO\u003c\/strong\u003e standard pneumatic cylinders and drives featuring T-slot profiles.\u003c\/li\u003e\n  \u003cli\u003eAutomated assembly jigs requiring precise end-of-stroke position confirmation.\u003c\/li\u003e\n  \u003cli\u003eMaterial handling transfer lines operating under standard industrial temperature thresholds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eLogistics and Quality Assurance\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDispatched rapidly via secure courier networks including FedEx, UPS, and DHL within 24 to 48 hours.\u003c\/li\u003e\n  \u003cli\u003ePackaged in heavy-duty protective material to prevent transit damage.\u003c\/li\u003e\n  \u003cli\u003eBacked by a comprehensive 12-month operational warranty covering manufacturing defects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQuestion: Why does the sensor fail to trigger despite the piston magnet being directly underneath?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAnswer:\u003c\/strong\u003e Verify that your operating load current meets the minimum 5 mA threshold required for reliable contact closure and check if the supply voltage falls within the 3V to 230V range.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQuestion: Can this unit handle inductive loads directly without external suppression?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAnswer:\u003c\/strong\u003e It is engineered with adaptation for specific miniature coils, but adding an external RC snubber circuit is recommended for heavy inductive loads to maximize contact lifespan.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQuestion: What precautions are needed when installing the cable in low-temperature environments?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAnswer:\u003c\/strong\u003e The permissible ambient temperature window shifts to -5°C to 60°C during flexible cable movement; avoid bending or pulling the cable below -5°C.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQuestion: Is the sensor polarity sensitive during DC hookup?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAnswer:\u003c\/strong\u003e No, the bipolar contact design means it lacks polarity protection requirements, allowing flexible wiring integration.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQuestion: How can I prevent the sensor from sliding inside the T-slot under heavy machine vibration?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAnswer:\u003c\/strong\u003e Ensure the 0.2 Nm torque limit is strictly maintained using a calibrated driver, and consider applying a thread-locking compound compatible with your panel environment if vibration is severe.\u003c\/p\u003e\n\n\u003ch3\u003eExpert Buying Guide\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eConfirm your cylinder actuation groove geometry matches standard T-slot specifications before purchasing.\u003c\/li\u003e\n  \u003cli\u003eCheck your control system input card compatibility to ensure it accommodates AC\/DC 3V to 230V switching parameters.\u003c\/li\u003e\n  \u003cli\u003eEstimate your required cable reach to ensure the 2.5-meter integrated line spans safely from actuator to junction box without splices.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Festo","offers":[{"title":"Default Title","offer_id":67557200003254,"sku":"SME-8-K-LED-230","price":103.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/SME-8-K-LED-230-3.jpg?v=1790670063","url":"https:\/\/www.plcsparehub.com\/products\/sme-8-k-led-230-festo-magnetic-cylinder-switch-t-slot-proximity-sensor","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}