53105 Marine Brushless Motor – 2.5kW | 15kg Thrust for Rescue Boat & Unmanned Ship
$ 154
High-efficiency IP67 waterproof motor designed for water rescue ships, unmanned surface vessels (USV), and marine thrusters. Compact 1.2kg design with 80% peak efficiency.
KEY FEATURES
• IP67 fully waterproof – Suitable for marine and underwater operation
• 2.5kW peak power – High output for rescue and unmanned vessels
• 9.27 N·m stall torque – Strong thrust for quick response
• 15kg maximum thrust – Ideal for small to medium watercraft
• 20-60V wide voltage range – Compatible with 6S to 14S batteries
• 80% peak efficiency – Good energy conversion for extended runtime
• Lightweight 1.2kg design – Easy integration into small vessels
• High torque density – 7.7 N·m per kg
• CW/CCW bidirectional – Forward and reverse thrust capability
• Locked rotor protection – Prevents damage during stall
• 3000+ hour lifetime – Reliable for rescue missions
Quantity
-
+
Inventory
10000
隐藏域元素占位
- Product Description
-
规格参数 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
53105
1200
20-60
36
7000
3.5
5200
40
2645
1440
80
9270
100
OUTLINE DRAWING
🚤 Marine Propulsion Series53105 Marine Brushless Motor
2.5kW | 15kg ThrustHigh-efficiency IP67 waterproof motor designed for water rescue ships, unmanned surface vessels (USV), and marine thrusters. Compact 1.2kg design with 80% peak efficiency.
2.5kWMax Power15kgMax Thrust20-60VVoltage Range1.2kgMotor WeightTechnical SpecificationsModel53105Motor TypeBrushless DCVoltage Range20 – 60V DCRated Voltage36VNo-Load Speed7,000 RPMNo-Load Current3.5 ARated Speed5,200 RPMRated Current40 ARated Torque2.645 N·mRated Power1.44 kWMax Efficiency80%Stall Torque9.27 N·mStall Current100 AMotor Weight1.2 kg (1200 g)Waterproof RatingIP67Performance Highlights9.27 N·mStall Torque (9,270 mN·m)2.5 kWPeak Power80%Maximum Efficiency15 kgMaximum ThrustKey CharacteristicsIP67 WaterproofFully submersible design2.5kW Peak PowerHigh output for marine applications9.27 N·m TorqueStrong low-end thrust80% EfficiencyGood energy conversion20-60V Wide VoltageCompatible with 6S to 14S Li-ionCW/CCWBidirectional rotationLocked Rotor ProtectionStall protection built-inLong Life3000+ hours ratedPerformance Test DataTest condition: 36V input, ambient temp 25°C, with 3-blade marine propellerParameter
No Load
Max Efficiency
Rated
Stall
Speed (RPM) 7,000 6,000 5,200 0 Current (A) 3.5 25 40 100 Torque (N·m) 0 1.8 2.645 9.27 Power (kW) 0 1.13 1.44 0 Efficiency (%) 0 80 77 0 * With proper propeller matching, the motor delivers 15kg thrust at peak power.
Key Features- IP67 fully waterproof – Suitable for marine and underwater operation
- 2.5kW peak power – High output for rescue and unmanned vessels
- 9.27 N·m stall torque – Strong thrust for quick response
- 15kg maximum thrust – Ideal for small to medium watercraft
- 20-60V wide voltage range – Compatible with 6S to 14S batteries
- 80% peak efficiency – Good energy conversion for extended runtime
- Lightweight 1.2kg design – Easy integration into small vessels
- High torque density – 7.7 N·m per kg
- CW/CCW bidirectional – Forward and reverse thrust capability
- Locked rotor protection – Prevents damage during stall
- 3000+ hour lifetime – Reliable for rescue missions
Applications🛟 Water Rescue Ship 🚢 Unmanned Surface Vessel (USV) 🌊 Marine Thruster 🔍 Underwater Inspection ROV 🎣 Fishing Boat Trolling Motor 🚤 Small Electric Boat 📡 Autonomous Research Vessel 🛥️ Kayak / SUP PropulsionOEM Customization- KV customization – 100KV to 500KV available
- Voltage optimization – 24V / 36V / 48V / 60V
- Shaft length and diameter modification
- Waterproof connector type (SubConn, custom)
- Propeller shaft adapter customization
- Hall sensor integration for FOC control
- IP rating upgrade (IP68)
- Custom winding for specific power profiles
Frequently Asked QuestionsWhat is the maximum thrust of this motor?The 53105 delivers 15kg maximum thrust with proper propeller selection, making it ideal for rescue ships and unmanned vessels.What voltage battery is recommended?36V (10S) is recommended for optimal performance. The motor supports 20-60V, compatible with 6S to 14S Li-ion systems.Is this motor waterproof?Yes. The motor is IP67 rated, fully sealed against water ingress, suitable for marine and underwater operation.What propeller is recommended?Recommended propeller size is 80-100mm diameter, 3-4 blades. We offer matching propellers optimized for this motor.What controller is recommended?We recommend a 36V-48V 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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