{"product_id":"dc-motor-speed-controller-220v-ac-90v-dc-regulator","title":"DC Motor Speed Controller 220V AC to 90V DC Regulator","description":"\n\u003ch2\u003eDC Motor Speed Controller – 220V AC Input \/ 90V DC Output\u003c\/h2\u003e\n\u003cp\u003eTake precise command of your DC motor with this compact, easy-to-install speed controller. Designed for workshop machinery, industrial equipment, and DIY projects, this regulator converts 220V AC input to a regulated 90V DC output, giving you smooth, stepless speed control at your fingertips. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Speed Adjustment Range:\u003c\/strong\u003e Delivers stable, high-efficiency performance across the full speed spectrum — from near-zero to full rated speed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e220V AC In \/ 90V DC Out:\u003c\/strong\u003e Standard voltage configuration allows direct motor start-up whenever DC voltage is present — no additional converter needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReversible Motor Direction:\u003c\/strong\u003e Easily switch between clockwise (CW) and counter-clockwise (CCW) rotation by swapping the wiring at the M+ and M− terminals.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBroad Motor Compatibility:\u003c\/strong\u003e Suited for DC motors rated at 50W, 100W, 120W, 200W, 300W, 400W, and more — highly flexible for a variety of applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-In Overcurrent Protection:\u003c\/strong\u003e Features an integrated safety fuse for overcurrent and short-circuit protection, keeping your equipment safe.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEmergency Stop Function:\u003c\/strong\u003e Short the P1 and P2 terminals to instantly stop motor operation — a critical safety feature for industrial use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Lightweight:\u003c\/strong\u003e Panel screw installation in minutes; fits neatly into a standard control cabinet or enclosure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eItem Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC Motor Speed Controller\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e220V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e90V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverall Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 100 × 60 × 114 mm (3.94 × 2.36 × 4.49 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePanel Opening Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 81 × 53 mm (3.19 × 2.09 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation Method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePanel Screw Installation\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\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eHow to Use\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBefore powering on,\u003c\/strong\u003e turn the external speed knob to 0 to prevent a large instantaneous current surge that could damage the controller.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWiring terminals:\u003c\/strong\u003e The AC terminals accept the AC input voltage. M+ and M− connect to the DC motor output. P1 and P2 are the emergency stop terminals — shorting them halts the motor immediately.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFuse replacement:\u003c\/strong\u003e If the built-in safety fuse blows due to overcurrent or a short circuit, replace it with a fuse of the identical specification. Note that the panel action switch controls motor start\/stop only — it does not disconnect power supply.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × DC Motor Speed Controller\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-2-inch-8-piece-hex-short-socket-set-vanadium-steel\"\u003e1\/2″ Drive 8-Piece Hex Short Socket Set – Vanadium Steel\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/hex-nut-bolt-extractor-tool-kit-10-piece\"\u003e10-Pc Hex Nut \u0026amp; Bolt Extractor Kit 9–19mm | HIP Tools\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/105-degree-right-angle-driver-with-hex-screwdriver-bit\"\u003e105° Right Angle Driver with 1\/4″ Hex Screwdriver Bit | HIP\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 DC motors are compatible with this 220V AC to 90V DC speed controller?\u003c\/h4\u003e\n\u003cp\u003eA: This DC motor speed controller is compatible with a wide range of DC motors, including those rated at 50W, 100W, 120W, 200W, 300W, and 400W. As long as your motor operates on 90V DC, this controller is a strong match for workshop tools, small machinery, and DIY automation projects.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I reverse the rotation direction of my motor using this controller?\u003c\/h4\u003e\n\u003cp\u003eA: To reverse the motor's rotation from clockwise (CW) to counter-clockwise (CCW) — or vice versa — simply swap the wiring connections at the M+ and M− output terminals on the rear of the controller. No additional hardware is required.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What should I do if the built-in fuse blows?\u003c\/h4\u003e\n\u003cp\u003eA: The controller includes a built-in safety fuse tube that protects against overcurrent or short-circuit events. If the fuse blows, turn off and disconnect power, then replace the fuse with one of the exact same specification. Using a different-rated fuse may compromise safety and damage the unit.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How is this DC motor speed controller installed?\u003c\/h4\u003e\n\u003cp\u003eA: Installation is straightforward — the controller uses a panel screw mounting method. Cut or use an existing panel opening of approximately 81 × 53 mm, slide the unit in, and secure it with screws. The compact 100 × 60 × 114 mm body fits neatly into most control enclosures or project boxes.\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 DC motors are compatible with this 220V AC to 90V DC speed controller?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This DC motor speed controller is compatible with a wide range of DC motors, including those rated at 50W, 100W, 120W, 200W, 300W, and 400W. 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