DC 3V–7.4V 12RPM Mini 300 Gear Reduction Motor 32mm DIY
DC 3V–7.4V 12RPM Mini 300 Gear Reduction Motor 32mm DIY
DC Mini 300 Gear Reduction Motor – Compact, Slow-Speed Power for Your DIY Projects
The Mini 300 Gear Reduction Motor is a versatile, low-voltage DC motor perfect for hobbyists, makers, and engineers. With a compact 32mm plastic gearbox and a smooth 12RPM output at 5V, it delivers reliable slow-speed torque for a wide range of DIY builds — from stage lights and toy models to automated displays and small robotics.
Made in Mainland China.
Key Specifications
- Model: Mini 300 Gearbox Gear Motor
- Gearbox Diameter: 32mm
- Output Shaft Diameter: 5mm (dual flat shaft: 4mm)
- Output Shaft Length: 5.5mm (excluding step height)
- Weight: 30g
- Operating Voltage: DC 3.0V – 7.4V
- Commutation: Brush
- Construction: Permanent Magnet
- Protect Feature: Waterproof
- Certification: CE
- Battery Included: No
Performance Test Data
| Voltage | No-Load Speed | Current |
|---|---|---|
| 3.7V | 8.5 RPM | 9 mA |
| 5.0V | 12 RPM | 11 mA |
| 7.4V | 19 RPM | 12 mA |
Why Choose This Gear Motor?
- ✅ Ultra-compact design — lightweight at just 30g, fits easily into tight DIY builds
- ✅ Wide voltage range — compatible with 3V, 3.7V, 5V, and up to 7.4V power sources
- ✅ Slow, steady output — ideal for applications needing controlled, low-speed rotation
- ✅ Waterproof feature — adds durability for more demanding environments
- ✅ CE certified — meets safety and quality standards
- ✅ Available in packs of 1, 2, or 5 — stock up for multiple projects
Ideal Applications
- DIY stage lighting rigs and rotating display platforms
- Toy models and miniature robots
- Automated turntables, clocks, and slow-moving mechanisms
- Science fair projects and educational kits
- Small automated home gadgets and craft machines
Package Contents
1 / 2 / 5 x Mini 300 Gear Reduction Motor (select your preferred quantity)
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Frequently Asked Questions
Q: What voltage should I use with the Mini 300 Gear Motor for the best performance?
A: The Mini 300 Gear Reduction Motor supports DC 3.0V to 7.4V. For a standard 12RPM no-load output, run it at 5V. Lower voltages (e.g. 3.7V) produce slower speeds (~8.5RPM), while higher voltages (e.g. 7.4V) yield faster speeds (~19RPM), all at very low current draw.
Q: Is this gear motor suitable for toy models and DIY stage lights?
A: Yes! The Mini 300 Gear Motor is specifically designed for low-speed, light-duty applications such as rotating stage lights, toy models, miniature turntables, and automated displays. Its compact 32mm gearbox and 30g weight make it easy to integrate into virtually any DIY project.
Q: How many motors come in the package?
A: You can choose a pack of 1, 2, or 5 motors depending on your project needs. Select your preferred quantity at checkout to make sure you have enough for your build.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.