{"product_id":"stepless-speed-controller-switch-angle-grinder-fan-drill","title":"Stepless Speed Controller Switch – Angle Grinder, Fan \u0026 Drill","description":"\n\u003ch2\u003eDAZZLEEX Stepless Speed Controller – Precise Voltage Control for Power Tools \u0026amp; Fans\u003c\/h2\u003e\n\u003cp\u003eTake full command of your power tools, fans, and heating appliances with the \u003cstrong\u003eDAZZLEEX Stepless Speed Controller Switch\u003c\/strong\u003e. Featuring a digital display and smooth rotary knob, this versatile controller lets you fine-tune output voltage from 0 to 220V with 1-volt accuracy — giving you consistent, reliable performance across a wide range of compatible devices. Made in Mainland 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 Works with exhaust fans, filament light bulbs, electric furnaces, angle grinders, marble machines, blowers, brushed power tools, ovens, heating rods, halogen lamps, heat-preservation lamps, and more.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDigital Display:\u003c\/strong\u003e High-visibility LED display shows real-time working voltage so you always know exactly what power your device is receiving. Control accuracy of ±1 volt.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Flame-retardant, high-temperature-resistant ABS plastic shell resists discoloration, deformation, and cracking. Internal contacts made of thickened phosphor bronze for long service life.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverload \u0026amp; Short-Circuit Protection:\u003c\/strong\u003e Built-in independent switch automatically cuts power when instantaneous current exceeds 15A, keeping you and your tools safe. Status indicator light shows real-time switch state.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRear Hook Design:\u003c\/strong\u003e Integrated rear hook lets you hang the controller on a tool bag for hands-free, portable convenience — ideal for job sites and workshops.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlug \u0026amp; Play:\u003c\/strong\u003e Available in EU, AU, US, and UK plug types. Simply plug in and start adjusting — no complex installation required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDAZZLEEX\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAC 220V–250V (US plug: 100–120V)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAC 0–220V adjustable (US plug: 0–100V)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4000W (rated load: 2000W)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15A (rated load: 9A)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120 × 65 × 55 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePlug Types\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEU \/ AU \/ US \/ UK (optional)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatible Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpeed Adjustment:\u003c\/strong\u003e Fans, brushed motors, electric tools (without speed gears)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperature Adjustment:\u003c\/strong\u003e Electric stoves, ovens, water heaters, heating rods, electric blankets (non-smart, non-display types)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimming:\u003c\/strong\u003e Filament lamps, incandescent lamps, halogen lamps, heat-preservation lamps, light strips\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eThis controller reduces voltage — it does \u003cstrong\u003enot\u003c\/strong\u003e boost voltage. It is not suitable for applications requiring very precise or very low-speed control.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNot compatible\u003c\/strong\u003e with smart appliances containing circuit boards, LED energy-saving lamps, induction cookers, rice cookers, household water pumps, or washing machines.\u003c\/li\u003e\n  \u003cli\u003eFor \u003cstrong\u003eindoor use only\u003c\/strong\u003e in dry environments. Keep away from water splashes, fire sources, and out of reach of children.\u003c\/li\u003e\n  \u003cli\u003eIf the motor already has gears or high\/low-speed cables, a buzzing AC frequency sound may occur or the controller may have no effect.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × DAZZLEEX Stepless Speed Controller Switch\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLooking for more workshop and tool accessories? You may also like the \u003ca href=\"\/products\/bu-29mm-sinking-minnow-jerkbait-fishing-lure-bass-trout-pike\"\u003eB\u0026amp;U 29mm Sinking Minnow Jerkbait Lure\u003c\/a\u003e or explore our \u003ca href=\"\/products\/womens-denim-vest-jacket-sleeveless-jean-waistcoat\"\u003eWomen's Denim Vest Jacket\u003c\/a\u003e for on-site workwear. For supplement support, check out the \u003ca href=\"\/products\/ancient-nutrition-multi-collagen-advanced-muscle-60-capsules\"\u003eAncient Nutrition Multi Collagen Advanced Muscle Capsules\u003c\/a\u003e.\u003c\/p\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 control with this stepless speed controller?\u003c\/h4\u003e\n\u003cp\u003eA: This speed controller switch is compatible with fans, brushed power tools (without speed gears), angle grinders, filament and halogen lamps, electric stoves, ovens, and heating rods. It is not compatible with LED energy-saving lamps, induction cookers, rice cookers, washing machines, or any smart appliances with electronic circuit boards.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the maximum power and current this controller can handle?\u003c\/h4\u003e\n\u003cp\u003eA: The DAZZLEEX speed controller supports a maximum power of 4000W and a maximum current of 15A. For sustained operation, the recommended load power is 2000W and load current is 9A to ensure safety and longevity of the unit.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this controller safe to use — does it have any protection features?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The controller features built-in overload and short-circuit protection. If the instantaneous current exceeds 15A, the switch automatically cuts off power to protect both the controller and your connected device. An indicator light shows the working status at all times.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Which plug types are available, and does it work with US voltage?\u003c\/h4\u003e\n\u003cp\u003eA: The controller is available with EU, AU, US, and UK plug types. The US-standard version is designed for 100–120V input with an output range of 0–100V. All other versions support AC 220V–250V input with 0–220V adjustable output.\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 control with this stepless speed controller?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This speed controller switch is compatible with fans, brushed power tools (without speed gears), angle grinders, filament and halogen lamps, electric stoves, ovens, and heating rods. 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