Features: With 15KHz control frequency and potentiometer adjustment, it offer speed regulation. Supports 9-60V input (varies by model) and currents up to 40A for different power requirements. This speed controller works with various brushed motors, fan, and pumps. Adapts to 10A/20A/40A current specification, making it ideal for industrial equipment and automation systems. Built with ABS housing and efficient heat dissipation design for continuous operational. Features clear wiring terminals, power light, and power Switcher . Compact panel mount design simplifies installation in multiple scenarios. The clearly labeled wiring terminals and straightforward potentiometer control ensuring easy setup. Integrated structure requires minimal space. Engineered for stable long term use with ABS casing and 15KHz control that eliminates motor vibrating. Includes comprehensive protective against electrical faults, ensuring for motor in industrial, automotive. Specifications: Component:ABS Type:X0510/X0520/X0530/X0540 Size:Approx. 90X81x52mm/3.18X2.04X3.54inch Control frequency: 15KHz. Input: X0510 ( 9-60V), X0520 ( 9-60V), X0530 ( 9-36V), X0540 (12V-36V). Output current: X0510 (10A), X0520 (20A), X0530, X0540 (40A). Package Includes: 1Pc Motor Speed Controller note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.