H-Series Inboard Motors 60-250kW
Highly-integrated Modular Design OEM Capability
The H-Series is our 60–250 kW inboard range, purpose-built for large sailing yachts and motor vessels from 60 to 100 feet (18–30 metres) with full displacements of up to 200 tons. Delivering powerful performance with minimal noise, reduced vibration, and zero exhaust emissions, the H-Series sets a new standard for clean, efficient propulsion in larger craft.
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H-100 Electric Motor 100kW
The H-100 is around two-thirds lighter and 50% more compact than an equivalent diesel engine, providing greater installation flexibility while maximising payload and passenger space. Its advanced flat-wire motor design increases slot fill by 25%, significantly boosting power density and overall efficiency.
Modular Design
The H-Series motors are built on a modular architecture, giving manufacturers the flexibility to extend both power and range by adding motors, controllers, and batteries. This adaptability allows tailored power configurations to meet specific vessel requirements, making the system highly scalable and future-ready.
Boating IoT System: Smart and Customisable
The ePropulsion Boating IoT platform delivers smart, customisable solutions for remote monitoring and integrated management. Key metrics such as speed, power, mileage, tracking, and safety alerts can be configured to suit different operational needs. Through the web portal, boat owners gain real-time insights and full oversight of their vessels for improved safety and efficiency.
Optimum Performance Through Pioneering Technology
Equipped with advanced permanent magnet motor technology, the H-100 redefines performance, surpassing diesel equivalents. Delivering a maximum torque of 2,000 Nm and an exceptional 96% efficiency, it outperforms traditional 100 kW AC asynchronous motors, setting a new benchmark in marine propulsion.
Safety and Reliability
- IP67 Waterproofing
- Anti-Corrosion Measures
- High-Accuracy Position Feedback
- High Torque Density
- Closed-Loop Cooling System
Controller
| Logic Power Supply Range | 9~16 V |
| Rated Input Voltage | 540 VDC |
| Input Voltage Range | 400 ~ 720 VDC |
| Rated Power | 160 kVA |
| Rated Output Current | 270 A |
| Maximum Efficiency | 98% |
| IP Rating | IP67 |
Intelligent and Intuitive Control System
The Human-Machine Interface (HMI), paired with the Smart Throttle and 5-inch Smart Display, delivers an intuitive and seamless user experience, combining precise control with real-time monitoring.
| System Rated Output Voltage | 540 VDC |
| System Output Voltage Range | 487 ~ 604 VDC |
| Battery Capacity * | / |
| Total System Energy * | / |
| Discharge Temperature | -30℃ ~ 60℃ |
| 25℃ Cycle Life (80% DOD) | ＞3500 times |
| 25℃ Storage Life | ＞8 years |
| Charging Temperature | 0℃ ~ 60℃ |
Competitive pricing
Unit price is as low as £0.50 per watt-hour.
High energy density
Longer life cycles
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