Features Effortless Speed Adjustment: The user-friendly speed control knob allows for precise adjustments, making it simple to tailor motor performance to your specific needs Accurate Speed Readings: The clear panel and dial design ensure that the pointer indicates speed accurately, providing you with reliable control at a glance Energy Efficiency: Experience remarkable power-saving effects when used with fans or pumps, optimizing your energy consumption and reducing operational costs Versatile Installation Options: With an IP5X dustproof rating, this controller can be panel embedded or wall mounted, accommodating various installation preferences for seamless integration Smooth Constant Torque: Designed for electromagnetic asynchronous motors, this controller enables stepless adjustment, ensuring consistent performance across a range of applications Features: 1、Speed Control Knob: This knob can adjust motor speed, easy to use 2、Clear panel and dial, the pointer can point speed accurately 3、When the load is fan or pump, the power saving effect is remarkable 4、With IP5X dustproof class, can be used for panel embedded or wall mounted, bottom incoming wire 5、Used for speed control of electromagnetic asynchronous motor (slip motor), realizing stepless adjustment of constant torsion Specification: Features: Speed Control Knob: This knob can adjust motor speed, easy to use. Clear panel and dial, the pointer can point speed accurately. When the load is fan or pump, the power saving effect is remarkable. With IP5X dustproof class, can be used for panel embedded or wall mounted, bottom incoming wire. Used for speed control of electromagnetic asynchronous motor (slip motor), realizing stepless adjustment of constant torsion. Specification: Input Speed: 1rpm Output Speed Range: 1 Exciting Voltage: DC90V Field Current: 5A Mounting-hole Size: Approx. 192 x 132mm / 7.6 x 5.2inch Product Size: Approx. 210 x 150mm / 8.3 x 5.9inch Weight: Approx. 944g / 33.3oz Optional ModelAC 200-240V Package List: 1 x Electromagnetic Motor Speed Controller 1set x Accessory Package List