{"product_id":"dc-motor-speed-controller-350w-direct-current-control-knob","title":"DC Motor Speed Controller 350W – Direct Current Control Knob","description":"\u003ch2\u003eDC Motor Speed Controller 350W – Precision Direct Current Control Knob\u003c\/h2\u003e\n\u003cp\u003eTake full command of your DC motor applications with this robust \u003cstrong\u003e350W DC Motor Speed Controller\u003c\/strong\u003e. Featuring a smooth, responsive control knob, this unit delivers accurate and consistent speed adjustment for a wide range of direct current motors — from cycling and e-bike drives to industrial fans, pumps, and automation setups. The compact design and durable aluminum controller enclosure make it a reliable choice for both hobbyists and professionals alike.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e350W Power Rating:\u003c\/strong\u003e Handles demanding DC motor loads with ease, providing stable and efficient speed regulation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSmooth Control Knob:\u003c\/strong\u003e Intuitive rotary knob allows fine-tuned, stepless speed adjustment from low to full speed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAluminum Enclosure:\u003c\/strong\u003e The controller housing is constructed from aluminum for excellent heat dissipation and long-term durability.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e Suitable for a variety of direct current motors, including those used in cycling drives, electric door locks, fans, pumps, and more.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Easy to Install:\u003c\/strong\u003e Designed to integrate seamlessly into existing setups with minimal wiring effort.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eElectric Door Lock Compatible:\u003c\/strong\u003e Can also be used in electric door lock control applications for added versatility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e 350W\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Direct Current (DC) Motor Speed Controller\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eControl Method:\u003c\/strong\u003e Rotary Knob\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnclosure Material:\u003c\/strong\u003e Aluminum\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e DC Motors, Cycling Drives, Electric Door Locks, Fans, Pumps, Automation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose This DC Speed Controller?\u003c\/h3\u003e\n\u003cp\u003eWhether you're building an e-bike, upgrading a cycling motor system, or managing an industrial automation project, this 350W DC speed controller delivers the precision and reliability you need. The aluminum enclosure ensures efficient thermal management, keeping the unit cool even under sustained loads. The intuitive knob interface makes speed adjustments quick and straightforward — no complex programming required.\u003c\/p\u003e\n\n\u003cp\u003eFor additional guidance on electrical safety when working with motor controllers, refer to \u003ca href=\"https:\/\/www.osha.gov\/electrical\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eOSHA's Electrical Safety Guidelines\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the DC Motor Speed Controller 350W used for?\u003c\/h4\u003e\n\u003cp\u003eA: This DC motor speed controller is designed to regulate the speed of direct current motors across a wide range of applications, including cycling drives, e-bike motors, electric door lock systems, fans, pumps, and general automation setups. The rotary control knob provides smooth, stepless speed adjustment.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What material is the controller enclosure made from?\u003c\/h4\u003e\n\u003cp\u003eA: The controller enclosure is constructed from aluminum, which provides excellent heat dissipation, structural durability, and resistance to everyday wear — ideal for both indoor and outdoor motor control applications.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this speed controller compatible with electric door locks?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, in addition to cycling and general DC motor applications, this 350W speed controller is compatible with electric door lock control systems, making it a versatile addition to your electronics or automation toolkit.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I adjust the motor speed with this controller?\u003c\/h4\u003e\n\u003cp\u003eA: Speed adjustment is performed via the integrated rotary control knob. Simply turn the knob to increase or decrease the motor speed — no complex software or programming is needed, making setup quick and straightforward.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the DC Motor Speed Controller 350W used for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This DC motor speed controller is designed to regulate the speed of direct current motors across a wide range of applications, including cycling drives, e-bike motors, electric door lock systems, fans, pumps, and general automation setups. 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Simply turn the knob to increase or decrease the motor speed — no complex software or programming is needed, making setup quick and straightforward.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/vpggdm-rp.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Tech, Tools \u0026 Auto\", \"item\": \"https:\/\/vpggdm-rp.myshopify.com\/collections\/tech-tools-auto\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"DC Motor Speed Controller 350W – Direct Current Control Knob\", \"item\": \"https:\/\/vpggdm-rp.myshopify.com\/products\/dc-motor-speed-controller-350w-direct-current-control-knob\"}]}\u003c\/script\u003e","brand":"Qme","offers":[{"title":"black","offer_id":49686687875286,"sku":"14:193","price":168.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0827\/5243\/8486\/files\/S5241145f4b15411e9e4dc888ee21c3e90.webp?v=1785159929","url":"https:\/\/qmeboost.com\/products\/dc-motor-speed-controller-350w-direct-current-control-knob","provider":"Qme","version":"1.0","type":"link"}