High Precision DC Motor Carbon Brush With Encoder 12V 10000RPM
Engineered for precise rotational control, the RK-520B DC motor integrates a built-in encoder with durable carbon brushes to maintain consistent speed under variable loads. Operating smoothly across a 6V to 12V range and reaching 10,000 RPM at its rated 12V output, this fully sealed permanent magnet micro motor eliminates speed drift common in unregulated alternatives. Whether upgrading automotive ventilation systems, modernizing household appliance drives, or powering custom CNC axes, the totally enclosed housing shields internal windings from dust and temperature swings, significantly extending service life compared to open-frame designs.
Benefits & Practical Tips
- Integrated Position Feedback: The onboard encoder delivers accurate pulse counts, allowing you to sync the motor to microcontrollers without adding bulky external sensors.
- Dust & Moisture Protection: The completely enclosed casing prevents particulate buildup from causing early brushwear, making it suitable for garage, workshop, or semi-outdoor installations.
- Voltage Tuning: Run the unit at 6V–8V to minimize acoustic noise and heat generation, then switch to 12V when maximum torque and top-end RPM are necessary.
Technical Specifications
- Model: RK-520B
- Operating Voltage: 6–12V DC
- Rated Speed: 10,000 RPM (at 12V)
- Maximum Output Power: Less than 18.65W
- Shaft Diameter: 2.0mm | Shaft Extension: 9mm
- Motor Housing: 33mm diameter × 22mm height × 42mm total length
- Commutation: Contact brush | Internal Design: Permanent magnet
- Certifications: CE, RoHS, CCC | Efficiency Class: IE 1
Package includes: One (1) RK-520B high precision DC motor with encoder unit.
Installation Reminders
This item ships as a bare motor assembly and requires a compatible PWM speed controller or H-bridge driver for safe operation. Always verify power polarity before your first run, and secure the 2.0mm shaft using set-screws or compression couplers to prevent load slippage. For long-term reliability, allow adequate ventilation around the sealed housing while the motor reaches operating temperature.
All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.
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