CB88-3 120V AC Motor Speed Controller | 50-550W Variable Speed PCB

WHY THIS BOARD

Why choose CB88-3

The CB88-3 AC Motor Speed Controller Board is designed for adjustable speed control of AC motor applications.

Supporting AC120V 60Hz power systems and 50-550W motor applications, CB88-3 provides reliable variable speed regulation for electric tools, small machinery, and OEM equipment.

With compact design and stable control performance, CB88-3 is an ideal solution for manufacturers developing variable-speed products for North American markets.

AC speed regulation

Continuous motor speed control from the rotary dial — adjust cutting and sanding speed to the material.

Large knob design

Oversized dial for easy grip and precise speed adjustment — ideal for demanding workshop environments.

120 V / 60 Hz compatible

Designed for 120 V / 60 Hz AC power systems — ideal for the North American market.

SPECIFICATIONS

CB88-3

Specification	Value
Model	CB88-3
Standard	—
Rated voltage	AC 120V/60Hz
Rated current	—
Rated power	50~550W
Function	AC Speed Regulation · Large Knob Design · 120V/60Hz Compatible

PRODUCT VIEW

CB88-3 at a Glance

Board dimensions, dial and wiring from the catalog drawing.

BOARD

CB88-3 AC speed control board with large rotary knob for easy speed adjustment — 50~550W.

WIRING

Wiring for AC 120V/60Hz North American standard — red, black and white leads.

USE

Fits AC-powered power tools — wire between the trigger switch and the motor.

APPLICATIONS

For AC-powered power tools

Official application range of the speed control board series.

01

AC-powered jigsaws

02

Circular saws

03

Reciprocating saws

04

Small bench drills

05

Table saws

06

Other handheld electric tools

TECHNICAL DRAWING

CB88-3 Dimensions & Wiring

Official engineering drawing from the catalog — click to enlarge.

Thickness: 1.5 mm  ·  Knob: Φ9 mm  ·  Knob H: 3 mm terminal

QUALITY & CERTIFICATIONS

Approved for global markets, checked at four gates

CB88-3 is built in our ISO 9001:2015 plant with UL- and TÜV-certified in-house laboratories, and every unit passes four quality gates before it ships.

TÜVcULusCEISO 9001:2015

IQC

Incoming quality control — materials and components are inspected on arrival.

IPQC

In-process quality control — automated assembly lines are checked at every station.

FQC

Final quality control — every unit is tested before shipment.

OQC

Outgoing quality control — packed batches are re-checked before dispatch.

Need a Custom Motor Control Solution?

Our engineering team can tailor a speed control PCB to your exact specifications. Get in touch for samples and pricing.

Contact Us

Frequently Asked Questions

What is the CB88-3?

The CB88-3 AC Motor Speed Controller Board is designed for adjustable speed control of AC motor applications.

What are the key specifications of the CB88-3?

Model: CB88-3; Rated voltage: AC 120V/60Hz; Rated power: 50~550W; Function: AC Speed Regulation · Large Knob Design · 120V/60Hz Compatible.

What should be checked before using the CB88-3 as a replacement?

Before using this product as a replacement, verify that rated voltage (AC 120V/60Hz), 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.