{"product_id":"pwm-dc-motor-speed-controller-12v-80v-30a-digital-display","title":"PWM DC Motor Speed Controller 12V-80V 30A Digital Display","description":"\n\u003ch2\u003ePWM DC Motor Speed Controller with Digital Display — 12V to 80V, 30A Max\u003c\/h2\u003e\n\u003cp\u003eTake precise control of your DC motor applications with this high-power \u003cstrong\u003ePWM Motor Speed Controller\u003c\/strong\u003e. Featuring a clear digital display, smooth slow-start and slow-stop functionality, and a wide voltage range of \u003cstrong\u003eDC 12V to 80V\u003c\/strong\u003e, this governor is engineered for reliability and versatility across a broad range of projects — from DIY builds to industrial setups.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Voltage Range:\u003c\/strong\u003e Compatible with DC 12V to 80V power supplies for maximum flexibility.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Current Capacity:\u003c\/strong\u003e Handles up to \u003cstrong\u003e30A maximum current\u003c\/strong\u003e for demanding motor loads.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull Speed Range:\u003c\/strong\u003e Precise speed adjustment from 0% to 100% for total control.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e21 kHz PWM Frequency:\u003c\/strong\u003e High-frequency pulse-width modulation for smooth, efficient motor operation with minimal noise.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDigital Display:\u003c\/strong\u003e Easy-to-read display lets you monitor and set speed at a glance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSlow Start \u0026amp; Slow Stop:\u003c\/strong\u003e Built-in soft start\/stop function protects motors and connected equipment from abrupt current surges.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimmer Switch Function:\u003c\/strong\u003e Also usable as a DC dimmer for LED lighting and other resistive loads.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eDC 12V – 80V\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eMaximum Current\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e30A\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eSpeed Range\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e0 – 100%\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003ePWM Frequency\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e21 kHz\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eRecommended Power\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e12V\/250W · 24V\/300W · 48V\/500W\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eMotor Type\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eDC Motor\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× Motor Governor Unit\u003c\/li\u003e\n  \u003cli\u003e1× Digital Display Controller\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eColors may vary slightly due to screen and lighting differences.\u003c\/li\u003e\n  \u003cli\u003ePlease allow a 1mm–1cm tolerance due to manual measurement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eFor more information on electrical safety standards for motor control equipment, visit the \u003ca href=\"https:\/\/www.osha.gov\/electrical\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eOSHA Electrical Safety Guidelines\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What types of DC motors is this PWM speed controller compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This controller works with a wide range of brushed DC motors operating between 12V and 80V. It is ideal for motors used in fans, conveyors, pumps, electric vehicles, DIY projects, and more — as long as the current draw does not exceed 30A.\u003c\/p\u003e\n\u003ch4\u003eQ: What does the slow-start and slow-stop function do?\u003c\/h4\u003e\n\u003cp\u003eA: The slow-start and slow-stop (soft start\/stop) feature gradually ramps motor speed up or down instead of switching abruptly. This protects both the motor windings and connected mechanical components from sudden current surges, extending the lifespan of your equipment.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I use this controller as a dimmer switch for LED lights?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. Because it operates on PWM (pulse-width modulation) principles, it can also function as a DC dimmer switch for compatible LED lighting and other resistive DC loads within its voltage and current ratings.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the PWM frequency of this motor speed controller?\u003c\/h4\u003e\n\u003cp\u003eA: The controller operates at a 21 kHz PWM frequency, which is above the audible range for most applications, resulting in quieter and smoother motor operation compared to lower-frequency controllers.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What types of DC motors is this PWM speed controller compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This controller works with a wide range of brushed DC motors operating between 12V and 80V. It is ideal for motors used in fans, conveyors, pumps, electric vehicles, DIY projects, and more — as long as the current draw does not exceed 30A.\"}}, {\"@type\": \"Question\", \"name\": \"What does the slow-start and slow-stop function do?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The slow-start and slow-stop (soft start\/stop) feature gradually ramps motor speed up or down instead of switching abruptly. This protects both the motor windings and connected mechanical components from sudden current surges, extending the lifespan of your equipment.\"}}, {\"@type\": \"Question\", \"name\": \"Can I use this controller as a dimmer switch for LED lights?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. 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