DC Gear Motor with Encoder 280RPM and 620RPM (GA25-370)

DC Gear Motor with Encoder – Precision Motion Control

Experience precise speed and position feedback with the GA25-370 DC gear motor with encoder. The built-in rotary encoder produces clean pulse signals that let you monitor RPM and count revolutions in real time for closed-loop control and repeatable motion.

GA25-370 Motor Options and Key Benefits

• Two speed options: 280 RPM (high torque) or 620 RPM (high speed).
• Voltage range: 6 V to 12 V operation for flexible power sources.
• Torque: Up to 2 kg·cm under load for effective small-actuator performance.
• Durability: Hardened sealed steel gears and sealed bearings reduce wear and keep noise below 40 dB.
• Compact design: 37 × 25 × 32 mm – fits tight enclosures and mobile platforms.

Features – Why Choose This Precision Gear Motor

• Integrated incremental encoder for accurate RPM and position feedback.
• Sealed gearbox to protect internal gears from dust and debris.
• Low vibration and quiet operation (<40 dB) for desktop and mobile applications.
• Optimized coil windings to hold speed under load and improve efficiency.
• Lightweight aluminum housing stays cool during extended operation.

Technical Specifications

• Model: GA25-370
• Speed options: 280 RPM or 620 RPM
• Voltage: 6 V – 12 V
• Maximum torque: up to 2 kg·cm
• Noise: < 40 dB typical
• Gears: Hardened steel, sealed gearbox
• Bearings: Sealed bearings for longevity
• Dimensions: 37 × 25 × 32 mm
• Housing: Aluminum shell
• Encoder output: Incremental pulses for RPM and position counting

Applications

• Mobile robots and differential drive systems
• Robotic arms and grippers requiring position feedback
• CNC sliders, small conveyors, and automated mechanisms
• Prototyping with Arduino, Raspberry Pi, and motor controllers
• Educational projects and maker builds demanding reliable feedback

Integration, Mounting and Wiring Tips

Mounting

• Use the motor’s compact footprint to place it inside tight frames or chassis.
• Securely fasten motor to reduce resonance; rubber isolators can further lower vibration.

Wiring and Encoder Connection

• Supply 6 V to 12 V stable DC power and ensure proper current capacity for peak loads.
• Connect encoder outputs to interrupt-capable pins on microcontrollers for accurate counting.
• Consider pull-up resistors or proper input conditioning depending on your controller.

Performance and Reliability

The GA25-370 maintains speed under load thanks to optimized windings and a robust gearbox. Sealed hardened gears and bearings extend service life while minimizing maintenance. Typical noise levels are under 40 dB, making this gear motor suitable for quiet applications.

Story Behind the Motor

After testing multiple encoder types and gear ratios, our engineers developed the GA25-370 to solve common DIY issues like stalling and inconsistent feedback. The result is a reliable DC motor with encoder that delivers consistent RPM readings and endurance for repeated use.

Quick Start Checklist

• Choose the correct speed variant (280 or 620 RPM) for your load requirements.
• Confirm power supply voltage and current capability.
• Wire encoder outputs to suitable microcontroller inputs and test pulse counts at low speed.
• Mount securely and test under expected load before final installation.

Frequently Asked Questions

What type of encoder is included?

The motor includes an incremental rotary encoder that provides pulse outputs for RPM and position monitoring.

Can I use this motor with Arduino or Raspberry Pi?

Yes. The GA25-370 integrates well with Arduino and Raspberry Pi platforms when encoder outputs and motor power are wired correctly using appropriate drivers and input conditioning.

Ordering and Notes

Choose the GA25-370 speed variant that best fits your project. Note: Pictures are for illustration purposes only.