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Specification — 12V 100W

12V 100W Brushless DC Motor For Automotive Accessories, Small Robots And Actuators.

The 12V 100W brushless motor is the workhorse of compact electric drive. It runs from any standard 12V lead-acid or lithium battery, fits in tight enclosures and delivers enough power for automotive seat adjusters, robotic arm joints and precision linear actuators. Brushless construction means no carbon dust, no brush replacement and dramatically less electrical noise than the brushed motors it replaces. Shenghe manufactures 12V 100W BLDC motors in 42mm and 57mm frame sizes with planetary and worm gear reducers.

  • Rated voltage 12V DC (10V–15V operating range)
  • 100W continuous rated power
  • Planetary and worm gearbox options
  • Hall sensor standard, encoder optional
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Why 12V 100W

Benefits Of The 12V 100W Power Class

  • Runs directly from any standard 12V vehicle battery or 3S/4S lithium pack
  • Compact 42–57mm frame fits inside instrument housings, robot joints and actuator tubes
  • Low EMI — safe to install near sensitive automotive CAN bus and sensor wiring
  • Over 20,000 hours service life versus 3,000–5,000 hours for equivalent brushed motors
  • Current draw under 10A — standard automotive fuses and thin wiring sufficient
  • Quiet operation below 45 dB at 1m — suitable for cabin-mounted and medical devices

12V 100W Motor Specifications

ParameterValue
Rated voltageDC 12V (10–15V)
Rated power100W
No-load speed3000 – 5000 RPM
Rated torque (motor)0.2 – 0.35 Nm
Gear ratio options5:1 – 100:1
Output torque (geared)Up to 25 Nm
ProtectionIP44 standard, IP54 optional
FeedbackHall sensor, optional encoder

Common Applications For 12V 100W BLDC Motors

  • Automotive accessories: Electric seat adjusters, window regulators, mirror tilt mechanisms and headlamp leveling
  • Small robotic platforms: Wheeled robot drives, robotic arm joints and gripper actuators for education and research
  • Linear actuators: Adjustable desks, hospital bed mechanisms, solar panel tilt and antenna positioning systems
  • Vending and kiosk machines: Product dispensing motors, coin handling mechanisms and receipt printer drives
  • HVAC damper actuators: Air duct damper positioning in automotive and building climate systems
  • Security and access control: Motorized lock bolts, turnstile drives and automatic gate operators

Technical Details For Integration

  • Power source: 12V lead-acid, 3S Li-ion (11.1V) or 4S LiFePO4 (12.8V); wide input range handles voltage variation
  • Controller interface: 3-phase Hall-commutated or sensorless; PWM speed input, 0–5V analog or UART serial
  • Thermal class: Class B (130 °C) insulation standard — sufficient for 100W in 57mm frame with passive cooling
  • Mounting: Round flange with 4-hole or threaded face mount; inline gearmotor for actuator tube insertion
  • Shaft options: 8mm D-flat standard; 6mm and 10mm keyed available for custom coupling
  • Operating temperature: -30 °C to +60 °C ambient — automotive-grade temperature range

Need A 12V 100W Brushless Motor?

Tell us your space constraints, speed requirement and load torque. We will select the right 12V 100W motor and gearbox from our catalog or propose a custom solution for your automotive, robotics or actuator project. Quote within one working day.

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