Carbon Brush for Electric Motor – High Durability & Stable Performance
Product Overview
This premium-grade carbon brush is engineered for high-efficiency electrical contact in AC/DC motors, generators, and various power tools. Crafted with fine graphite and copper materials, it ensures low friction, high conductivity, and stable operation even in demanding environments.
Key Features
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🔋 Excellent Conductivity: Made from high-purity graphite with copper additives.
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⚙️ Long Service Life: Optimized spring pressure ensures uniform wear and minimal arcing.
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🔧 Easy Replacement: Direct-fit design with flexible copper lead wire for simple installation.
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🛠️ Wide Compatibility: Suitable for industrial motors, automotive alternators, power tools, and household appliances.
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🔥 Low Spark & Heat Resistance: Improved safety and consistent current transfer.
Typical Applications
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Electric Drills / Grinders / Angle Cutters
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Vacuum Cleaners / Washing Machines
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Automotive Alternators
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Industrial Blowers / Pumps / CNC Machinery
📐 Technical Specifications
| Parameter | Value |
|---|---|
| Brush Material | Electro-graphite / Copper Graphite |
| Dimensions | 8x16x25 mm (customizable) |
| Wire Type | Copper Braided Flexible Lead |
| Wire Terminal | Faston / Spade / Customizable |
| Operating Voltage | Up to 500V |
| Operating Temp. | -40°C ~ +150°C |
| Application Motor | AC Universal / DC Brushed |
🧭 Carbon Brush Selection Guide
| Motor Power (kW) | Suggested Brush Size | Material Type | Lead Type |
|---|---|---|---|
| < 0.5 kW | 6x10x15 mm | Copper Graphite | Tinned Copper |
| 0.5 – 2.2 kW | 8x16x25 mm | Electrographite | Braided Copper |
| 2.2 – 7.5 kW | 12x25x32 mm | Resin-bonded Graphite | Braided Copper |
| > 7.5 kW | Custom size | High-density Graphite | Silver-plated Terminal |
💡 Customization Available
We offer full OEM/ODM support with customized size, spring tension, material composition, and terminal options. Send your drawing or sample for a quick quote.