Features 【Speed Adjustable】Speed control knob can help you to adjust motor speed, easy to use, saving both labor and time, we provided 3 types for choose, JD1A-11/JD1A-40/JD1A-90, this is type JD1A-40, designed with control power:15-40kW. 【IP5X Dustproof】Motor speed controller come with IP5X dustproof rating, can be used for panel or wall mounting, bottom entry. 【Pointer Type Display】Motor governor has clear operation panel and dial, the pointer can accurately point to the speed. 【Widely Applications】Input Voltage is AC 200-240V, universal for all euro countries, Machinery, metallurgy, power generation, papermaking, printing, cement, tobacco, cables and other production occasion can be applied. 【Used for Production Lines】Can be used with various industrial automation production lines, such as assembly line speed regulation, mechanical speed regulation for sponge production enterprises, cigarette machinery speed regulation, food machinery speed regulation (such as candy machines, etc.), and speed regulation motor manufacturers. <strong>Features:</strong> 1.Speed Control Knob: This knob can adjust motor speed, easy to use. 2.Clear operation 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. <strong>Specification:</strong> Speed Adjustable Range:132-1320RPM Control Motor Power:15-40kW Max Output:DC 90V 5A Speed Variation Rate:≤3% Steady Speed Precision:≤1% Input Voltage:AC 200-240V 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 <strong>Package List:</strong> 1 x Electromagnetic Motor Speed Controller 1set x Accessory Package List