Help & FAQ’s. Add to Favourite Shops. Get Help & Advice. Adjustable Motor Speed Controller JD1A-40 For Motors 15-40kW Motor Control. Features: Equipped with speed control knob, the motor speed can be adjusted for easy use. The operation panel is clear, and the pointers can accurately point to the speed. When the load is a fan or pump, the energy-saving effect is significant. Used for speed control of electromagnetic asynchronous motors (slip motors), achieving stepless adjustment of constant torque. Specifications: Material: Plastic+Metal Model Name: JD1A-40 Motor Speed Controller Input Speed: 1rpm Output Speed Ranges: 1 Exciting Voltage: DC90V Field Current: 5A Mounting Hole Size: Approx. 192x132mm/7.6×5.2inch Product Size: Approx. Please allow for slight color differences due to different display resolution. We will dispatch your item as soon as we can. For worldwide orders, we work with both local and international companies to ensure global coverage (exclusions apply). You have 28 days to return your order for any reason, as long as it is unused, undamaged and in the original packaging. Eurowagens has been proudly trading since 2008, building a strong reputation for quality, reliability, and exceptional customer service. Our offices are based in Letchworth, Hertfordshire.