5085 Underwater Thruster Motor – 2kW | 15kg Thrust | IP68 for ROV, USV & Electric Surfboard
$ 62
High-torque brushless motor designed for underwater thrusters, unmanned boats, electric surfboards, and electric swimming rings. IP68 waterproof with 7.27 N·m stall torque.
KEY FEATURES
• IP68 fully waterproof – Suitable for underwater and marine operation
• 2kW peak power – Powerful propulsion for watercraft
• 7.27 N·m stall torque – Strong thrust for quick acceleration
• 15kg maximum thrust – Ideal for underwater thrusters and boats
• 18-25.5V voltage range – Compatible with 6S Li-ion batteries
• 75% peak efficiency – Good energy conversion for extended runtime
• 795g lightweight design – Easy integration into small watercraft
• High torque density – 9.1 N·m per kg
• CW/CCW bidirectional – Forward and reverse thrust capability
• Locked rotor protection – Prevents damage during stall
• 3000+ hour lifetime – Reliable for continuous operation
Quantity
-
+
Inventory
10000
隐藏域元素占位
- Product Description
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SPECIFICATION
型 号
Mode重 量
Weight电压
Voltage无负荷
No load最大效率点
At Maximum Efficiency堵转
At stall电压范围
Voltage Range额定值
Nominal转速
电流
转速
电流
转矩
输出功率
效率
转矩
电流
Speed
Current
Speed
Current
Torque
Output
Efficiency
Torque
Current
G
V
V
r/min
A
r/min
A
mN.m
W
%
mN.m
A
5085
795
18-25.5
24
2650
4
1325
39
3634
504
75
7268
74
OUTLINE DRAWING
🌊 Underwater Thruster Series5085 Underwater Thruster Motor
2kW | 15kg Thrust | IP68High-torque brushless motor designed for underwater thrusters, unmanned boats, electric surfboards, and electric swimming rings. IP68 waterproof with 7.27 N·m stall torque.
2kWMax Power15kgMax Thrust18-25.5VVoltage Range795gMotor WeightTechnical SpecificationsModel5085Motor TypeBrushless DCVoltage Range18 – 25.5V DCRated Voltage24VNo-Load Speed2,650 RPMNo-Load Current4 ARated Speed1,325 RPMRated Current39 ARated Torque3.63 N·mRated Power504 WMax Efficiency75%Stall Torque7.27 N·mStall Current74 AMotor Weight795 gWaterproof RatingIP68Performance Highlights7.27 N·mStall Torque (7,268 mN·m)2 kWPeak Power75%Maximum Efficiency15 kgMaximum ThrustKey CharacteristicsIP68 WaterproofFully submersible designHigh Torque7.27 N·m stall torque2kW Peak PowerPowerful underwater propulsion75% EfficiencyGood energy conversion18-25.5V Voltage6S Li-ion compatibleCW/CCWBidirectional rotationLocked Rotor ProtectionStall protection built-inLong Life3000+ hours ratedPerformance Test DataTest condition: 24V input, ambient temp 25°C, with marine propellerParameter No Load Max Efficiency Rated Stall Speed (RPM) 2,650 1,800 1,325 0 Current (A) 4 25 39 74 Torque (N·m) 0 2.5 3.63 7.27 Power (kW) 0 0.47 0.50 0 Efficiency (%) 0 75 70 0 * With proper propeller matching, the motor delivers 15kg thrust at peak power (2kW).
Key Features- IP68 fully waterproof – Suitable for underwater and marine operation
- 2kW peak power – Powerful propulsion for watercraft
- 7.27 N·m stall torque – Strong thrust for quick acceleration
- 15kg maximum thrust – Ideal for underwater thrusters and boats
- 18-25.5V voltage range – Compatible with 6S Li-ion batteries
- 75% peak efficiency – Good energy conversion for extended runtime
- 795g lightweight design – Easy integration into small watercraft
- High torque density – 9.1 N·m per kg
- CW/CCW bidirectional – Forward and reverse thrust capability
- Locked rotor protection – Prevents damage during stall
- 3000+ hour lifetime – Reliable for continuous operation
Applications🤿 Underwater Thruster 🚤 Unmanned Boat / USV 🏄 Electric Surfboard 🏊 Electric Swimming Ring 🔍 ROV / AUV Propulsion 🎣 Fishing Boat Trolling Motor 🛥️ Small Electric Boat 🚣 Kayak / SUP PropulsionOEM Customization- KV customization – 150KV to 400KV available
- Voltage optimization – 24V / 25.2V / 25.5V
- Shaft length and diameter modification
- Waterproof connector type (SubConn, custom)
- Propeller mounting thread and adapter
- Hall sensor integration for FOC control
- IP rating upgrade (IP68 depth rating)
- Custom winding for specific power profiles
Frequently Asked QuestionsWhat is the maximum thrust of this motor?The 5085 delivers 15kg maximum thrust with proper propeller selection, ideal for underwater thrusters and electric surfboards.What voltage battery is recommended?24V (6S Li-ion) is recommended for optimal performance. The motor supports 18-25.5V.Is this motor waterproof for underwater use?Yes. The motor is IP68 rated, fully sealed for underwater and marine operation.What propeller is recommended?Recommended propeller size is 70-90mm diameter, 3-4 blades. We offer matching propellers optimized for this motor.What controller is recommended?We recommend a 24V 80A FOC controller with waterproof enclosure for marine applications.What is the expected motor lifetime?With proper cooling and maintenance, the motor provides 3000+ hours of reliable operation.
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