Micro Metal (With Encoder) 6V DC Geared Motor 30 rpm (GA12-N20)

Product Name: GA12-N20 6V 30RPM Micro DC Gear Motor with Encoder and Wire

Overview:

Compact, lightweight micro gear motor with built-in metal gearbox and rotary encoder. Designed for small robotics, automation systems, and position/speed feedback control.

Specifications:

• Rated Voltage: 6V DC
• No-Load Speed: 30 RPM
• Rated Torque: ~1.8 kg·cm
• Stall Torque: Up to 12–14 kg·cm (varies by gear ratio)
• No-Load Current: 40–60 mA
• Stall Current: ~0.8 A

Motor Dimensions:

• Motor Diameter: 12 mm
• Total Length (with gearbox): ~46 mm
• Output Shaft Diameter: 3 mm (D-type shaft)
• Output Shaft Length: ~10 mm
• Weight: ~11 g

Gearbox:

• Type: All-metal gear reduction
• Gear Ratio: Approx. 1:1000 (other ratios available)
• Gearbox Length: 10–12 mm
• Gear Efficiency: ~48–81% depending on ratio

Encoder:

• Type: Dual-channel (A/B) Hall-effect encoder
• Operating Voltage: 3.3V – 5V DC
• Resolution: 3–7 PPR (pulses per revolution) depending on model
• Output Signals: Quadrature A and B
• Wiring (6 wires):
  • M1 – Motor –
  • GND – Encoder ground
  • C1 – Encoder A
  • C2 – Encoder B
  • VCC – Encoder power input (3.3V–5V)
  • M2 – Motor +

Environmental Conditions:

• Operating Temperature: 0°C to 70°C
• Storage Temperature: 0°C to 40°C
• Humidity: 15% – 90% RH

Applications:

• DIY robots and automation
• Encoder-based position tracking
• Smart cars and mechatronics projects
• Small actuators and pan/tilt mechanisms
• Speed and direction feedback systems