Motor Speed Controller JD1A-40/11/90 Speed Control Switch Electromagnetic Speed Controller Motor Controller 220V
Power-Rated Compatibility
JD1A-11: Compatible with small 0.55–11 kW slip motors, offering a wider low-speed range (minimum 125 rpm);
JD1A-40: Compatible with medium-power 15–40 kW motors, suitable for general-purpose industrial assembly lines;
JD1A-90: Suitable for high-power 45–90 kW heavy-duty motors, with a minimum speed of 440 rpm.
Stable Control Performance
Speed variation across the entire series is ≤3%, speed stability accuracy is ≤1%, and speed deviation is minimal during load fluctuations, making it suitable for machining equipment that requires high speed consistency.
Power Supply and Output Specifications
Uniform 220 V commercial/industrial AC input; excitation output is 90 V DC across all models, with only the output current increasing as the model’s power rating rises; all three controller models have the same weight and share the same mounting dimensions, facilitating easy replacement.
Applications
Used in conjunction with electromagnetic slip-type speed-regulated motors on production lines requiring stepless speed control, such as those in the textile, printing, packaging, and conveying industries.













