Product Description
The 12V DC Motor 251 RPM with Encoder is a powerful DC gearmotor with integrated encoder for feedback and precision control. With a nominal speed of 251 RPM, durable 43.7:1 metal gearbox, and Hall-effect quadrature encoder, this motor provides reliable motion and accurate shaft position sensing — ideal for mobile robots, autonomous platforms, and feedback-controlled motion systems.
Key Features
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Nominal 12V DC operation for wide robotics compatibility
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Integrated quadrature encoder for feedback and control
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251 RPM no-load speed with strong torque
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43.7:1 metal gearbox for torque multiplication
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D-shaped 6 mm output shaft for secure coupling
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Rugged, compact design for embedded motions systems
Technical Specifications
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Motor Type: Brushed DC gear motor with encoder
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Nominal Voltage: 12V DC
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Gear Ratio: 43.7:1
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No-load Speed: 251 RPM
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Rated Speed (approx): 204 RPM
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No-load Current: ~0.35 A
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Stall Current: ~7 A
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Rated Torque: ~45 oz·in
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Stall Torque: ~250 oz·in / 18 kg·cm
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Encoder: Hall-effect quadrature type (16 counts per motor revolution ≈700 counts at output shaft)
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Shaft: 6 mm D-shaped, 15 mm long
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Dimensions: 37 mm diameter × 53 mm length
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Weight: ~205 g
Typical Applications
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Closed-loop control in mobile robots
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Position and speed controlled systems
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Differential drive robot chassis
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Automated guided vehicles and platforms
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Feedback-based robotic actuations
Package Include:
1 × 12V DC Motor 251 RPM with Integrated Encoder
