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Specification — 3000W High-Power

3000W Brushless DC Motor For Electric Boats, Heavy EVs And Industrial Machinery.

3kW sits at the threshold where brushless DC motors move from light-duty mobility into serious industrial and marine territory. At this power level, motor selection directly affects vehicle range, thermal management and drivetrain cost. Shenghe manufactures 3000W BLDC motors in 48V, 72V and 96V windings with continuous duty ratings, paired with planetary or worm gear reducers for torque multiplication.

  • Rated power 3000W continuous
  • 48V / 72V / 96V DC voltage options
  • Planetary and worm gearbox available
  • IP54 standard, IP65 for marine use
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Why 3kW BLDC

Benefits Of The 3000W Power Class

  • Sufficient continuous power for electric boats up to 6 m and EVs up to 500 kg
  • Multi-voltage design — same stator, different winding for 48V / 72V / 96V
  • High torque density reduces the need for extreme gear ratios
  • Brushless longevity eliminates carbon brush maintenance in harsh environments
  • Regenerative braking capable — recovers energy on downhill and deceleration
  • Peak output up to 6kW handles short-duration overloads and hill starts

3000W Motor Specifications

ParameterRange
Rated power3000W continuous
Rated voltageDC 48V / 72V / 96V
Rated current35A – 70A (voltage dependent)
No-load speed3000 – 4500 RPM
Rated torque (motor)7 – 10 Nm
Gear ratio options3:1 – 50:1
Output torque (geared)Up to 300 Nm
ProtectionIP54 standard, IP65 optional

Common Applications For 3kW BLDC Motors

  • Electric boats: Trolling motors, auxiliary propulsion for sailboats, small fishing vessels up to 6 m
  • Heavy electric vehicles: Electric rickshaws, cargo trikes, low-speed utility trucks
  • Industrial machinery: Conveyor drives, hydraulic pump motors, air compressors
  • Agricultural equipment: Electric sprayers, feed dispensers, irrigation pump drives
  • Material handling: Pallet jacks, warehouse tow tractors, automated guided vehicles
  • Generator sets: DC generator drives for off-grid and backup power systems

Technical Details For Integration

  • Battery sizing: 48V/100Ah for 1.5h runtime; 72V/60Ah or 96V/45Ah for equivalent energy
  • Controller requirement: 80A–120A rated controller with Hall or sensorless FOC
  • Thermal class: Class H (180 °C) insulation for continuous high-load operation
  • Cooling: Fan-cooled standard; liquid cooling jacket optional for enclosed spaces
  • Shaft options: Keyed, splined, or hollow shaft for direct coupling
  • Operating temperature: -20 °C to +50 °C ambient

Need A 3kW Brushless Motor?

Tell us your voltage, speed, torque and mounting requirements. We will recommend a 3000W motor from our existing range or engineer a custom solution. Quote within one working day.

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