Digital DC6-60V 30A PWM Motor Speed Controller Encoder Knob Frequency Adjustable

Use digital encoder knob, stable and durable, high precision and better consistency. Digital encoder knob operation. Acceleration and deceleration value setting Function 5: 001 002 005 010 015 020 025 The speed changes correspondingly for each revolution 1%, 2%, 5%, 10%, 15%, 20%, 25%.

eBay