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Home Product 3x8x4 High-Torque Brushless Motor (EC Series, Robotics, Drones, Precision Motion)
3*8*4 (motor level)

3x8x4 High-Torque Brushless Motor (EC Series, Robotics, Drones, Precision Motion)

3x8x4 motor
3x8x4 DC motor
3x8x4 gear motor
3*8*4 (motor level)
Compact 3x8x4 motor for precision applications, available as 3x8x4 DC motor or 3x8x4 gear motor. Ideal for small devices and automation systems requiring efficient power and torque.
Categories:Power Transmission
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Product Description

The 3x8x4 motor is a compact 3x8x4 DC motor integrated with a precision 3x8x4 gear motor assembly, designed for low-to-medium torque applications. It operates within a DC voltage range of 6-24V and delivers a rated speed of 1500 RPM, with a peak torque output of 4.5 N·m. Featuring dual-channel input for PWM control and direct compatibility with Arduino/Raspberry Pi modules, it supports seamless integration in automation systems. The motor operates reliably in temperatures from -20°C to +70°C, making it suitable for robotics, automotive systems, and industrial machinery. Its compact 3x8x4 cm³ form factor ensures space efficiency, while the gearbox reduces noise and improves durability. However, extended high-load use may require thermal monitoring. This gear motor lacks onboard communication interfaces but offers plug-and-play wiring for rapid deployment. Typical detection distances for encoder-equipped variants reach 0.5-2 meters in motion control setups.
Parameter 3x8x4 Motor 3x8x4 DC Motor 3x8x4 Gear Motor
Nominal Voltage 12-24VDC 6-24VDC 12-24VDC
No-load Speed 8000-15000 RPM 5000-12000 RPM 100-300 RPM
Rated Torque 0.8-1.2 N·m 0.5-1.0 N·m 4.5-6.5 N·m
Gear Ratio - - 30:1 - 100:1
Shaft Diameter 4mm (±0.01mm)
Efficiency 75-82% 68-78% 65-72%
Insulation Class Class B
Max Output Power 18-25W 12-20W 15-22W
Weight 85-110g 75-100g 130-150g
Axial Play ≤0.08mm
question:What shipping methods do you support?
answer:We support DHL, Fedex, UPS, and other mainstream shipping methods, including sea and air freight.
question:What is the warranty policy?
answer:Products are covered by a 12-month warranty against material or workmanship defects. Damage from misuse is excluded.
question:Can shipments be declared at low value?
answer:Low-value declaration is possible for eligible orders. Submit a formal request with required documents for approval.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:What shipping methods do you support?
answer:We support DHL, Fedex, UPS, and other mainstream shipping methods, including sea and air freight.
question:What is the warranty policy?
answer:Products are covered by a 12-month warranty against material or workmanship defects. Damage from misuse is excluded.
question:Can shipments be declared at low value?
answer:Low-value declaration is possible for eligible orders. Submit a formal request with required documents for approval.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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