{"product_id":"pwm-dc-motor-speed-controller-40a-2000w-9-55v-brushed-motor-module","title":"DC 9-55V PWM Motor Speed Controller 40A 2000W Brushed Motor","description":"\n\u003ch2\u003eDC 9-55V PWM Motor Speed Controller — 40A 2000W Brushed Motor Regulator\u003c\/h2\u003e\n\u003cp\u003eTake full command of your brushed DC motor projects with this high-power PWM Motor Speed Controller. Designed for makers, engineers, and DIY enthusiasts, this compact control module delivers stepless, precise speed regulation across a wide voltage range — all through a simple potentiometer knob. Whether you're building a custom conveyor, powering an electric vehicle project, or automating workshop machinery, this module gives you reliable, efficient control from 0–100%.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Voltage Compatibility:\u003c\/strong\u003e Accepts DC 9–55V input, making it compatible with a broad range of DC power supply setups.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Continuous Current:\u003c\/strong\u003e Supports up to 40A continuous output current to stably drive high-power brushed DC motors.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2000W Continuous Power Rating:\u003c\/strong\u003e Handles demanding, high-load motor applications with ease.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePWM Speed Regulation at 25 kHz:\u003c\/strong\u003e High-efficiency pulse-width modulation delivers smooth, stepless speed control and improves overall motor efficiency.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLinear Potentiometer Control:\u003c\/strong\u003e 100K potentiometer (knob spec: 148) provides intuitive, linear speed adjustment from 0–100%.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSimple Wiring:\u003c\/strong\u003e Fence-type terminal block connections make installation straightforward — no complex configuration required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Metal Casing:\u003c\/strong\u003e Durable enclosure with excellent heat dissipation keeps the module running cool under load.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIY-Friendly Design:\u003c\/strong\u003e Ideal for robotics, automation, electric carts, industrial fans, power tools, and custom motor drive projects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 9–55V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLinear under load\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0–40A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eContinuous Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2000W\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpeed Regulation Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCurrent regulation\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpeed Regulation Method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePotentiometer (linear)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpeed Regulation Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0–100%\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eControl Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e25 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiring Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFence-type terminal block\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKnob Specification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100K (148)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePotentiometer Mounting Hole\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7 mm\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× PWM DC Motor Speed Controller Module\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDue to lighting and display differences, the item's color may appear slightly different from photos.\u003c\/li\u003e\n  \u003cli\u003ePlease allow 1 mm–1 cm variance due to manual measurement.\u003c\/li\u003e\n  \u003cli\u003eMade in Mainland China.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSafety \u0026amp; Standards\u003c\/h3\u003e\n\u003cp\u003eFor guidance on electrical safety best practices when working with DC motor control systems, refer to \u003ca href=\"https:\/\/www.osha.gov\/electrical\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eOSHA's Electrical Safety Standards\u003c\/a\u003e. Always follow proper wiring procedures and ensure your power supply is correctly rated before installation.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What types of motors is this PWM DC motor speed controller compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This controller is designed specifically for \u003cstrong\u003ebrushed DC motors\u003c\/strong\u003e. It supports any brushed motor operating within the DC 9–55V input range and up to 40A continuous current draw. It is not intended for brushless motors or AC motors.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I use this speed controller for a 12V or 24V motor system?\u003c\/h4\u003e\n\u003cp\u003eA: Yes — because the input voltage range spans DC 9V to 55V, this module works seamlessly with common 12V, 24V, 36V, and 48V motor systems, making it highly versatile for automotive, industrial, and hobby applications.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does this module require any programming or complex configuration?\u003c\/h4\u003e\n\u003cp\u003eA: No programming is needed. Speed is adjusted simply by turning the linear potentiometer knob. The fence-type terminal block makes wiring quick and clear, so you can get up and running with minimal effort — perfect for DIY builds and prototyping.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How does the heat dissipation work on this controller?\u003c\/h4\u003e\n\u003cp\u003eA: The compact metal casing is engineered to conduct and dissipate heat effectively during operation. For extended high-load use, it is recommended to mount the module to a surface with good airflow or add an external heatsink for additional thermal management.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What types of motors is this PWM DC motor speed controller compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This controller is designed specifically for brushed DC motors. 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