RioRand 7-70V PWM DC Motor Speed Controller 30A - Low Heat Aluminum Housing for Brushed DC Motors, DIY Projects & Small Electric Devices

7-70V Wide Voltage & 30A High Current – For brushed DC motors only (not brushless/AC power). Supports 1%-100% duty cycle (12kHz PWM) & 500W max output. Power limits: 12V≤250W, 24V≤350W, 48V≤450W, 60V≤400W. Reserve 5-10V margin (do not overload). Low Heat & Durable Design – Equipped with high-voltage MOSFET, 3x 100V capacitors & aluminum housing. Low heat generation, easy component replacement, no vibration/noise – reliable for long-term use. Extra fuse included for backup. Accurate Voltage Measurement Tip – Output voltage must be measured with a loaded motor (no-load readings = input voltage, which is normal). Suitable for DIY robotics, small tools, fans, mini pumps & hobby projects. Easy Wiring & Safe Operation – Input DC polarity must match (reverse = damage); motor output no polarity (swap wires for direction). On-board run/stop/brake switch + detachable 15cm potentiometer wire. Trusted Performance & Upgraded Design – Smooth speed transitions, overload current protection & stable operation. Modified to address common use issues –Suitable for hobbyists & DIY enthusiasts.

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