Features Effortless Motor Speed Control: The intuitive speed control knob allows for smooth and precise adjustments, giving you full command over your motor's performance Accurate Speed Indication: The clear panel and dial feature a precise pointer, ensuring you can easily monitor and set the desired motor speed with confidence Remarkable Energy Savings: Designed for use with fans or pumps, this controller optimizes performance while significantly reducing energy consumption during operation Versatile Installation Options: With an IP5X dustproof rating, this unit is ideal for panel embedded or wall-mounted installations, accommodating bottom incoming wire configurations Enhanced Torque Management: Specifically engineered for electromagnetic asynchronous motors, it enables stepwise adjustments of constant torque for optimal efficiency 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 stepl 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 stepl 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 Accory Package List