Description
Overview:
This Controller 110v is a genuine Makita replacement part (OEM No. 631782-9) for the HR3210C and HR3540C rotary hammers. It is an electronic power control module, built from robust components on a protected circuit board with insulated wiring, designed to regulate electrical input to the motor. By delivering stable power, it helps the tool start smoothly and run consistently under load, supporting reliable hammer drilling and chiselling. Intended for 110 V site tools commonly used with a transformer, it restores correct operation when the original control unit has failed. The precise fit and electrical specification match Makita's design for these models, making it suitable for both professional users and DIY owners who need dependable performance from their rotary hammer.
Key Features:
- Genuine Makita part for assured compatibility and reliability
- 110 V controller for site-use rotary hammers powered via a transformer
- Regulates power to the motor for smooth start-up and consistent running
- Helps maintain tool performance during demanding drilling and chiselling tasks
- Durable construction with quality electronic components for long service life
- Engineered to fit the specified models without modification
- Ready-to-fit module to minimise downtime during repair
- Supports safe, predictable operation when replacing a failed or erratic control unit
- Backed by Makita's design standards for electrical safety and performance
Typical Applications:
Used to repair Makita 110 V rotary hammers that have lost speed control, surge, or fail to start. Suitable for tools working on construction sites, workshops, and maintenance settings where concrete, masonry, stone, or brick drilling and light chiselling are routine. Ideal for restoring dependable operation on transformer-fed site equipment.
Also known as:
Speed controller, electronic control unit (ECU), control module, control board, power regulator, motor controller, constant-speed module, soft-start module, PCB assembly for rotary hammer.
Fits Models:
HR3210C, HR3540C
Alternate Part Numbers:
631782 9, 6317829