Features • Effortless Speed Control: The User-Friendly Speed Control Knob Allows for Precise Adjustments, Making It Simple to Achieve Your Desired Motor Performance • Accurate Speed Indication: The Clear Panel and Dial Feature a Pointer That Accurately Displays Speed Settings, Ensuring Easy Monitoring and Adjustment • Remarkable Energy Savings: When Used with Fans or Pumps, This Controller Delivers Notable Power Savings, Helping You Reduce Energy Consumption and Costs • Versatile Installation Options: With an IP5X Dustproof Rating, This Controller Can Be Conveniently Installed for Panel Embedding or Wall Mounting, Adapting to Your Setup Needs • Smooth Operation for Asynchronous Motors: Specifically Designed for Electromagnetic Asynchronous Motors, It Provides Stepless Adjustment of Constant Torque for Optimal Performance 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