B2847 Brushless Motor – 28W for Electric Curtains, Water Pumps & Valves
High-efficiency brushless DC motor delivering 28W peak power, 15.6W rated, 12V operation, 820 g·cm stall torque.
KEY FEATURES
• 7-16V wide voltage range – Optimized for 12V systems
• 28W peak power – Reliable output for intermittent operation
• 820 g·cm stall torque – Strong torque for compact size
• 6,500 RPM no-load speed – Good balance of speed and torque
• Low noise operation – Suitable for quiet environments
• Locked rotor protection – Prevents damage during stall
• Stepless speed regulation – Smooth, continuous speed control
• Low EMI design – Minimal interference with electronics
• Brushless design – Maintenance-free operation
• 3000+ hour lifetime – Reliable for daily use
• Compact B2847 frame – Easy integration into equipment
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隐藏域元素占位
- Product Description
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PREFORMANCE PARAMETER
型号
TYPE电压范围
空载转速
空载电流
额定电压
额定转速
额定扭矩
额定电流
额定功率
堵转力矩
堵转电流
Voltage range
Un-load Speed
Un-load Current
Rated Voltage
Rated Speed
Rated Torque
Rated Current
Rated Power
Stall Torque
Stall Current
(VDC)
(r/min)
(mA)
(VDC)
(r/min)
(g.cm)
(mA)
(W)
(g.cm)
(mA)
B2847
7-16
6500
160
12
4800
200
1300
15.6
820
2300
OUTLINE DRAWING
⚙️ High-Efficiency Brushless DC MotorB2847 Brushless Motor
28W Peak PowerDesigned for electric curtains with air ducts, water pumps, and valves. 7-16V voltage range with 820 g·cm stall torque.
28WPeak Power15.6WRated Power7-16VVoltage Range820Stall Torque (g·cm)Technical SpecificationsModelB2847Motor TypeBrushless DCVoltage Range7 – 16V DCRated Voltage12VNo-Load Speed6,500 RPMNo-Load Current160 mARated Speed4,800 RPMRated Current1,300 mARated Torque200 g·cmRated Power15.6 WPeak Power28 WStall Torque820 g·cmStall Current2,300 mALifetime3000+ hoursProtectionLocked RotorPerformance Highlights820 g·cmStall Torque (0.080 N·m)28 WPeak Power200 g·cmRated Torque6,500 RPMNo-Load SpeedKey CharacteristicsHigh Torque820 g·cm stall torqueWide Voltage7-16V compatibilityLow NoiseQuiet operationLow EMIMinimal interferenceLocked RotorStall protectionStepless ControlSmooth speed regulationLong Life3000+ hours ratedEasy IntegrationStandard mountingPerformance Data📊 Test condition: 12V input, ambient temp 25°CParameter No Load Rated Peak Stall Speed (RPM) 6,500 4,800 2,500 0 Current (mA) 160 1,300 1,800 2,300 Torque (g·cm) 0 200 500 820 Power (W) 0 15.6 25 0 * Peak power 28W achievable at 12V with short burst. Rated power 15.6W for continuous operation.
Key Features- 7-16V wide voltage range – Optimized for 12V systems
- 28W peak power – Reliable output for intermittent operation
- 820 g·cm stall torque – Strong torque for compact size
- 6,500 RPM no-load speed – Good balance of speed and torque
- Low noise operation – Suitable for quiet environments
- Locked rotor protection – Prevents damage during stall
- Stepless speed regulation – Smooth, continuous speed control
- Low EMI design – Minimal interference with electronics
- Brushless design – Maintenance-free operation
- 3000+ hour lifetime – Reliable for daily use
- Compact B2847 frame – Easy integration into equipment
Applications🪟 Electric Curtains (Air Duct) 💧 Water Pumps 🔧 Valves / Actuators 🏭 Industrial Equipment 🔩 Home Automation ⚙️ Ventilation Systems 🔧 Medical Devices 🔩 Office EquipmentModel Comparison: B2847 vs B3650📊 Choose the right motor for your applicationParameter B2847 B3650 Peak Power 28W 15W No-Load Speed 6,500 RPM 3,320 RPM Stall Torque 820 g·cm 1,180 g·cm Rated Torque 200 g·cm 200 g·cm Best For Curtains, pumps, valves General-purpose OEM Customization- Voltage optimization – 12V / 24V
- Speed and torque customization
- Shaft length and diameter modification
- Connector type (JST, Molex, bare wire)
- Mounting flange customization
- Hall sensor integration for FOC control
- IP rating upgrade (IP54 / IP65)
- Custom winding for specific power profiles
Frequently Asked QuestionsWhat is the maximum power of this motor?28W peak power (short burst), 15.6W rated for continuous operation.What voltage battery is recommended?12V is recommended for optimal performance. Supports 7-16V.Is this motor suitable for electric curtains with air ducts?Yes. The B2847 is specifically designed for electric curtains with air duct applications.What is the stall torque of this motor?820 g·cm (0.080 N·m) at 12V.What controller is recommended?12V 3A-5A BLDC controller with stepless speed regulation.What is the expected motor lifetime?3000+ hours with proper use.
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