Product Description
**Milwaukee parts change not only by model# but also by serial number. To look up your tools parts break down on Milwaukees website please click here:
Milwaukee Switch Board
Model Number: 23-66-0400
The Milwaukee 23-66-0400 is a genuine OEM Switch Board for use in compatible Milwaukee tools. The switch board is the printed circuit board assembly (PCBA) that forms the electronic core of the tool's switching and speed control system — integrating the trigger input, speed control circuitry, current regulation, and motor output drive on a single board. The switch board receives the operator's trigger input and translates it into the correct motor drive signal, providing smooth variable-speed control from zero to full speed while managing current levels to protect the motor and battery. A switch board that causes erratic motor response, loss of speed control, or complete failure to operate the tool requires replacement to restore proper electronic motor control.
Using a genuine Milwaukee OEM switch board ensures the correct circuit specifications, speed control curve, and electrical interface for the tool it serves. Always verify your catalog number and serial number on Milwaukee's website before ordering to confirm this is the correct switch board for your specific unit.
Features
- Genuine Milwaukee OEM switch board for compatible Milwaukee tools
- Integrates trigger input, speed control, current regulation, and motor drive on one board
- Provides smooth variable-speed control from zero to full speed in response to trigger input
- Restores proper electronic motor control when original board fails or malfunctions
- Verify catalog number and serial number on Milwaukee's website before ordering
Specifications
- Type: Switch Board (PCBA)
- Application: Variable-Speed Motor Control and Current Regulation
- Compatibility: Always verify using your tool's parts breakdown diagram at milwaukeetool.com
Includes
- (1) Milwaukee 23-66-0400 Switch Board
