{"product_id":"9-60v-pwm-dc-motor-speed-controller-digital-display-500w","title":"9-60V PWM DC Motor Speed Controller | Digital Display 500W","description":"\n\u003ch2\u003e9-60V PWM DC Motor Speed Controller with Digital Display\u003c\/h2\u003e\n\u003cp\u003eTake precise control of your DC motors and fans with this versatile \u003cstrong\u003ePWM Motor Speed Controller\u003c\/strong\u003e. Featuring a clear digital display and an intuitive rotary encoder, this compact governor lets you fine-tune both duty cycle and operating frequency to perfectly match your application — from small cooling fans to larger 500W motors.\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 Operates on DC 9V–60V, covering a broad range of motor and fan systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Power Capacity:\u003c\/strong\u003e Rated at 12A continuous \/ 20A max, supporting loads up to 500W.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustable PWM Frequency:\u003c\/strong\u003e Tunable from 1 KHz to 99 KHz in 1 KHz steps (default 20 KHz, ~1% accuracy) — reduce motor whine or optimize efficiency for your specific load.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull Duty Cycle Control:\u003c\/strong\u003e 0–100% in 1% steps for ultra-smooth, stepless speed adjustment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDigital Display \u0026amp; Encoder:\u003c\/strong\u003e Real-time readout of duty ratio and frequency makes setup and adjustment effortless.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Reverse-Polarity Protection:\u003c\/strong\u003e Built-in anti-reverse protection guards against accidental wiring mistakes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Mountable:\u003c\/strong\u003e Dimensions of 79mm × 43mm × 26mm with an installation hole pattern of 39.3mm × 76.5mm for easy panel mounting.\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\u003eWorking Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 9V – 60V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12A (max 20A)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e500W\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePWM Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 KHz – 99 KHz (1 KHz steps, default 20 KHz, ~1% accuracy)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDuty Cycle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0–100% (1% steps)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e79mm × 43mm × 26mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Hole Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e39.3mm × 76.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAnti-reverse polarity\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 China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× DC Motor Speed Controller (PWM Governor)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDC fan speed regulation (cooling fans, ventilation systems)\u003c\/li\u003e\n  \u003cli\u003eDIY robotics and automation projects\u003c\/li\u003e\n  \u003cli\u003eElectric vehicle and e-bike motor control\u003c\/li\u003e\n  \u003cli\u003eIndustrial conveyor and pump speed adjustment\u003c\/li\u003e\n  \u003cli\u003eLED dimming and power control experiments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor guidance on electrical safety when working with DC motor circuits, refer to \u003ca href=\"https:\/\/www.osha.gov\/electrical\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eOSHA's Electrical Safety Standards\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDue to lighting and screen variation, the item's color may appear slightly different from photos.\u003c\/li\u003e\n  \u003cli\u003ePlease allow ±1–3 cm differences due to manual measurement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What voltage range does this PWM motor speed controller support?\u003c\/h4\u003e\n\u003cp\u003eA: This DC motor speed controller supports an input voltage range of 9V to 60V DC, making it compatible with a wide variety of battery packs, power supplies, and automotive\/industrial systems.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I use this controller to adjust fan speed as well as motor speed?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! This PWM governor is designed for both DC motors and DC fans. The adjustable frequency (1–99 KHz) and full 0–100% duty cycle control make it ideal for smooth, silent fan speed regulation as well as motor speed control.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I set the PWM frequency and duty cycle?\u003c\/h4\u003e\n\u003cp\u003eA: The rotary encoder on the controller allows you to adjust both the PWM frequency and duty cycle directly. The digital display provides real-time feedback, so you can dial in your exact settings with 1 KHz frequency steps and 1% duty cycle steps.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is there protection against reverse wiring?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, this controller includes built-in input anti-reverse protection, which helps safeguard the unit if the power supply wires are accidentally connected in reverse polarity.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What voltage range does this PWM motor speed controller support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This DC motor speed controller supports an input voltage range of 9V to 60V DC, making it compatible with a wide variety of battery packs, power supplies, and automotive\/industrial systems.\"}}, {\"@type\": \"Question\", \"name\": \"Can I use this controller to adjust fan speed as well as motor speed?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! 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