Product Overview
The GM3506 Brushless DC Motor with Encoder is a compact, high-efficiency outer-rotor BLDC motor designed for robotics, automation, and precision motion control applications.
With a 24N22P magnetic structure, integrated encoder, and stable torque output, this motor delivers smooth rotation, accurate feedback, and reliable performance under continuous operation.
Its robust construction, wide operating temperature range, and high-voltage insulation make it suitable for demanding industrial and robotic environments.
Key Features
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Integrated encoder for precise speed and position feedback
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High-efficiency 24N22P brushless motor structure
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Compact Ø40mm outer diameter for space-constrained designs
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Stable torque output under load
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Low noise and smooth operation
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Wide operating temperature and humidity range
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High-voltage insulation tested up to DC 500V
Electrical Specifications
No Load Performance
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Rated Voltage: 16V
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No-Load Current: 0.17 ± 0.05 A
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No-Load Speed: 2149 – 2375 RPM
Load Performance
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Rated Voltage: 12V
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Rated Current: 1 A
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Torque Range: 600 – 1000 g·cm
Power
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Maximum Power: ≤ 25 W
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Operating Voltage Range: 2–3S Li-ion / LiPo (3.7–4.2V per cell)
Mechanical Specifications
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Motor Type: Brushless DC Motor with Encoder
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Motor Diameter: Ø40 ± 0.05 mm
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Motor Length: 25.8 ± 0.2 mm (including encoder)
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Pole Configuration: 24N / 22P
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Shaft Outer Diameter: Ø12 mm (-0.008 / -0.012)
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Shaft Inner Diameter: Ø8.6 (+0.05 / 0) mm
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Axial Play (Virtual Position): 0
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Total Weight: 72 ± 0.2 g
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Shaft Runout: ≤ 0.1 mm
Encoder & Wiring
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Encoder Type: Integrated Encoder
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Cable Length: 610 ± 3 mm (excluding connector)
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Cable Color: Black silicone wire
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Connector: 2.5 mm pitch black JST-style connector
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Rotation Direction: Clockwise (viewed from shaft extension side, unified test method)
Environmental & Reliability Testing
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High Voltage Test: DC 500V, 1 mA, 2 seconds
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High Temperature Test: 60°C for 100 hours
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Low Temperature Test: -20°C for 100 hours
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Operating Temperature: -20°C to 60°C
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Operating Humidity: 10% – 90% RH (non-condensing)
Typical Applications
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Robotics joints and actuators
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Mobile robots and AGV systems
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Precision motion control systems
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Smart automation equipment
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Research and educational robotics
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Custom servo and feedback systems
Package Includes
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1 × GM3506 Brushless DC Motor with Encoder
FAQs
Q1: Does this motor include an encoder?
Yes, the GM3506 comes with an integrated encoder for accurate speed and position feedback.
Q2: What voltage range is supported?
It supports 12–16V operation and is compatible with 2–3S Li-ion or LiPo batteries.
Q3: Is this motor suitable for continuous operation?
Yes. It has passed extended high- and low-temperature testing and is designed for continuous use.
Q4: Can this motor be used in robotic joints?
Absolutely. Its compact size, stable torque, and encoder feedback make it ideal for robotic joint and actuator applications.
