3XJd1A-40 Ac Motor Speed Controller 15-40Kw Dc 90V 5A Motor Speed Pinpoint Regu. 3XFeatures:Speed Control Knob: This knob can adjust motor speed, easy to use. Clear operation 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 (motor), realizing stepless adjustment of constant torsion. Specification: Model Number: Motor speed controller Motor Type: AC Motor Condition: 100% NEW Input Speed: 1rpm Output Speed Range: 1 Exciting Voltage: DC90V Field Current: 5A Mounting-hole Size. 192 x 132mm / 7.6 x 5.2inch Product Size. 210 x 150mm / 8.3 x 5.9inch Weight.