Bc138.rar Link

: Fine-tune the motor's speed regulation under varying loads.

: This feature allows you to cycle the AC power rapidly without damaging the control or the motor. bc138.rar

For detailed wiring diagrams and resistor selection charts, you should refer to the full BC138 - BC139 DC Control Manual . If you'd like, I can help you: : Fine-tune the motor's speed regulation under varying loads