Description
Overview:
This genuine Makita resistor is a replacement electrical component for selected angle grinders, engineered to regulate current and stabilise power delivery during operation. Built to Makita's original equipment standard, it helps protect the motor and switchgear by smoothing inrush currents and reducing the risk of power spikes. The robust, heat‐resistant construction and dependable resistance value support consistent performance in demanding tasks. Designed specifically for the Makita 9027S and 9029S, it fits the original wiring layout without modification, making it a straightforward swap when restoring a machine after electrical faults or routine wear. Use it to maintain safe, reliable running and extend the service life of your grinder in workshop, site, or home settings where dependable power control is essential.
Key Features:
- Genuine Makita part for assured fit and performance (OEM 539100-4)
- Calibrated resistance for stable current control on specified models
- Durable, heat‐resistant construction for longevity under load
- Helps reduce electrical stress on motor, electronics, and switchgear
- Compact form factor to suit the original housing and cable routes
- Ready to fit with standard connections; no modifications required
- Supports smooth, controlled power delivery for consistent results
- Quick replacement to minimise downtime during maintenance
Typical Applications:
Used during servicing and repairs of Makita angle grinders to restore proper power regulation after overheating, surges, or age‐related failure. Suitable for workshops, building sites, landscaping, and metal fabrication where grinders are used for cutting, grinding, and surface preparation. Ideal for tradespeople and DIY users maintaining reliable tool performance.
Also known as:
Current limiter resistor, inrush/surge resistor, power resistor for angle grinder, Makita 539100-4 resistor, grinder control resistor, soft‐start resistor (model‐specific), electrical regulator component for Makita grinders.
Fits Models:
9027S, 9029S
Alternate Part Numbers:
539100-4, 5391004
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