The CB66-15C AC Motor Speed Controller Board is designed for AC motor applications requiring both adjustable speed control and smooth startup performance.
Supporting AC110V input voltage and 50-550W power range, CB66-15C integrates speed regulation and soft start functions to improve motor control, reduce startup impact, and enhance equipment reliability.
It is suitable for electric tools, small machinery, and OEM equipment designed for 110V markets.
Continuous motor speed control from the rotary dial — adjust cutting and sanding speed to the material.
Gradually ramps up motor power at startup — eliminates jarring impact and extends motor and mechanical life.
Designed for 110 V AC power systems — ideal for North American and other 110 V markets.
Board dimensions, dial and wiring from the catalog drawing.
Official application range of the speed control board series.
Official engineering drawing from the catalog — click to enlarge.

What is the CB66-15C?
The CB66-15C AC Motor Speed Controller Board is designed for AC motor applications requiring both adjustable speed control and smooth startup performance.
What are the key specifications of the CB66-15C?
Model: CB66-15C; Rated voltage: AC 110V; Rated power: 50~550W; Function: AC Speed Regulation · Soft Start · 110V Compatible.
What should be checked before using the CB66-15C as a replacement?
Before using this product as a replacement, verify that rated voltage (AC 110V), rated power (50~550W) match your target part. Also check the mounting and terminal layout. Contact DKLD with the ratings of the part you are replacing and we will confirm suitability.
Can this product range be customized for OEM projects?
Yes. Electrical parameters, connectors and packaging can be customized for OEM/ODM projects.
How can I verify DKLD certifications?
UL certification and TÜV certification are verifiable in the official databases.
Where are DKLD products manufactured?
All products are manufactured at our Yueqing facility with in-house quality control.