Micro Metal (With Encoder) 12V DC Geared Motor 35 rpm (GA12-N20)

Product Name: GA12-N20 12V 35RPM Micro DC Gear Motor with Encoder and Wire

Overview:

Compact and powerful micro DC gear motor with metal gearbox and built-in rotary encoder. Ideal for robotics, automation, and precision control applications.

Specifications:

• Rated Voltage: 12V DC
• No-Load Speed: 35 RPM
• Rated Torque: ~2 kg·cm
• Stall Torque: Up to 16 kg·cm (varies by gear ratio)
• No-Load Current: 20–40 mA
• Stall Current: 0.5–1 A

Motor Dimensions:

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

Gearbox:

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

Encoder:

• Type: 2-channel Hall-effect rotary encoder
• Operating Voltage: 3.3V–5V DC
• Resolution: 3–7 PPR (varies by model)
• Output Signal: A and B quadrature channels
• Wiring (6-pin):
  • M1 – Motor -
  • GND – Encoder GND
  • C1 – Encoder A
  • C2 – Encoder B
  • VCC – Encoder Power (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:

• Smart robots
• Line-following vehicles
• DIY automation projects
• Pan-tilt camera platforms
• Speed/position feedback-controlled mechanisms