{"product_id":"ac-motor-speed-controller-120v-scr-variable-fan-speed-regulator","title":"AC Motor Speed Controller 120V SCR Variable Fan Speed Regulator","description":"\n\u003ch2\u003eAC Motor Speed Controller – Variable Fan \u0026amp; Tool Speed Regulator\u003c\/h2\u003e\n\u003cp\u003eTake full command of your motors, fans, tools, and appliances with this heavy-duty \u003cstrong\u003eAC Motor Speed Controller\u003c\/strong\u003e. Featuring a precision rotary knob and real-time LED display, this SCR voltage regulator lets you dial in the exact output level you need — from 0 to 220V — with effortless accuracy. Built for home workshops, factories, labs, and more, it's the versatile variable speed solution for professionals and DIYers alike.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eMade in China.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e Controls the speed, heat, light, and power output of hand drills, electric saws, lamps, heaters, motor fans, and more — suitable for home, factory, or lab use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e15A Overload Protection Switch:\u003c\/strong\u003e Built-in safety switch provides 24\/7 automatic monitoring, helping guard against overload and short-circuit situations for worry-free operation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Temperature-Resistant Metal Shell:\u003c\/strong\u003e Durable rust-resistant metal housing with strategically placed heat dissipation vents to maintain a safe operating temperature during extended use. \u003cem\u003eNote: Proper grounding is required for safe use with the metal shell.\u003c\/em\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReal-Time LED Display:\u003c\/strong\u003e Accurately reads your adjusted output voltage so you always know exactly what power level your tool or device is receiving.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Plug-and-Go Operation:\u003c\/strong\u003e Simply plug your tool into the output socket and adjust the rotary knob to your desired setting — no complex wiring required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUS Plug Compatible:\u003c\/strong\u003e Designed for use in the United States, Canada, India, Mexico, Thailand, Taiwan, the Philippines, and other regions using US-style plugs.\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\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAC 110V \/ 220V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAdjustable Output Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 – 220V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Input Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLimit Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4000W\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePlug Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUS Plug\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHousing Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh-temperature-resistant metal with rust-resistant coating\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × AC Motor Speed Controller \/ Voltage Regulator\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Due to lighting differences and monitor display variations, the product color may vary slightly from the images shown. Measurement tolerance is ±1–3 cm.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10-in-1-multi-functional-bone-wrench-hex-socket-spanner-portable-repair-hand-tool-for-bicycle-motorcycle-furniture-assembly\"\u003e10 in 1 Multi Functional Bone Wrench Hex Socket Spanner – Portable Repair Hand Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/16-in-1-multi-function-bike-repair-tool-portable-folding-hex-wrench-set-for-bicycle-motorcycle-furniture-maintenance-hand-tools\"\u003e16 in 1 Multi-Function Bike Repair Tool – Portable Folding Hex Wrench Set\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/a01f-df-6-electric-enameled-copper-wire-stripping-machine\"\u003eA01F-DF-6 Handheld Electric Enameled Copper Wire Stripper 110V\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What types of devices can I use with this AC motor speed controller?\u003c\/h4\u003e\n\u003cp\u003eA: This variable speed controller is compatible with a wide range of devices including hand drills, electric saws, motor fans, heaters, and lamps. It works wherever you need to regulate speed, heat, light, or power output on AC-powered tools and appliances.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is the AC motor speed controller safe to use for extended periods?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The controller features a 15A overload protection switch that monitors operation automatically, helping protect against overload and short-circuit conditions. The heat-resistant metal housing with ventilation slots also helps maintain a safe operating temperature during prolonged use. Always ensure the metal shell is properly grounded for maximum safety.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the maximum power load this speed controller can handle?\u003c\/h4\u003e\n\u003cp\u003eA: This SCR voltage regulator supports a maximum load of 4000W, with a rated current of 9A and a maximum input current of 18A. The adjustable output ranges from 0 to 220V, giving you precise control over your connected devices.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does this controller work with US standard outlets?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. This unit comes with a US Plug and is compatible with standard outlets in the United States, Canada, Mexico, India, Thailand, Taiwan, the Philippines, and other countries using US-style plugs.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What types of devices can I use with this AC motor speed controller?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This variable speed controller is compatible with a wide range of devices including hand drills, electric saws, motor fans, heaters, and lamps. It works wherever you need to regulate speed, heat, light, or power output on AC-powered tools and appliances.\"}}, {\"@type\": \"Question\", \"name\": \"Is the AC motor speed controller safe to use for extended periods?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. 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