Product Description .product-description { font-family: Arial, sans-serif; margin: 20px; line-height: 1.5; } .features, .specifications, .package-list { margin-bottom: 20px; } .features h2, .specifications h2, .package-list h2 { font-size: 1.2em; margin-bottom: 10px; color: #333; } Features Power off Memory Function: The motor drive module automatically saves your set parameters, preventing data loss after a power interruption. When powered back on, it continues with your last settings, enhancing work efficiency. Motor Soft Start Function: The motor gradually increases the current during startup, avoiding inrush current, which protects and extends the motor's lifespan. Start-Stop Button Design: Features an infinitely variable speed controller with a start-stop button, controllable via an external switch to suit various needs. Settable Duty Ratio and Working Frequency: Adjust the duty ratio, its upper and lower limits, and working frequency easily to match your motor's specific requirements. Digital Rotary Encoder: The digital encoder knob provides high precision and repeatability, allowing for quick and accurate motor speed adjustments. Specifications Material: ABS Operating Voltage: DC 5V~30V, with input anti-reverse protection Rated Current: 5A, with a maximum current of 15A Maximum Power: 150W Working Frequency: 1KHz~99KHz, adjustable in 1KHz steps, default at 20KHz, accuracy about 1% Duty Cycle: 0-100%, adjustable in 1% steps Item Size: 79 x 26 x 43mm / 3.11 x 1.02 x 1.69 inches Package Weight: 43g / 1.51oz Package Size: 8 x 5 x 5cm / 3.14 x 1.97 x 1.97 inches Package List 1 x PWM DC Motor Speed Controller 1 x User Manual (English)
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