Fuel Cell Cooling Electric Coolant Water Pump IP68 Waterproof With PWM Speed

The Electric Coolant Pump OWP-BL300H-D3-3 integrates advanced engineering to deliver superior performance for critical cooling applications. Featuring a closed impeller design, it achieves large flow rates while maintaining high operational efficiency and low noise emissions (≤60dB), ensuring a quiet working environment. Powered by a brushless permanent magnet motor, the pump boasts a compact footprint and low power consumption, making it an energy-efficient choice for space-constrained setups. Its shaft system adopts ultra-high durability friction pair materials, paired with a shielded structure, which significantly enhances wear resistance and extends the service life beyond 20,000 hours. With an IP68 protection rating, the pump is fully sealed against dust and water immersion, enabling reliable operation in harsh environments. The inclusion of PWM speed regulation allows for precise flow control, while the high/low-level fault feedback signal provides real-time operational monitoring, ensuring timely detection and resolution of issues.

Specifically engineered for fuel cell cooling systems, the Electric Coolant Pump OWP-BL300H-D3-3 is a high-performance solution tailored to meet the rigorous thermal management demands of fuel cell technology. Operating on a 48VDC power supply (with a 42-54VDC operating range) and delivering 300W of rated power, this pump ensures consistent and efficient coolant circulation, which is vital for maintaining the optimal operating temperature of fuel cells. Its rated flow rate of 2880L/H at 17.5M head and maximum flow capacity of 5000L/H enable rapid heat dissipation, effectively preventing overheating that could compromise fuel cell performance and lifespan. The maximum lift head of 22M allows for seamless coolant distribution even in complex cooling loops, ensuring uniform temperature regulation across the entire fuel cell system.

Compatible with a range of cooling media—including 50-60% glycol-water mixtures, dielectric oil, and electronic fluorinated solutions—the OWP-BL300H-D3-3 adapts to the specific requirements of fuel cell applications. It operates reliably across a wide temperature range of -40°C to 85°C with guaranteed long-term performance, making it suitable for both extreme cold and high-temperature operating conditions. The PWM speed regulation feature enables dynamic adjustment of flow rates based on the fuel cell’s real-time thermal load, optimizing energy efficiency while ensuring precise temperature control. The high/low-level fault feedback signal provides instant alerts for any operational anomalies, minimizing downtime and enhancing the overall reliability of the fuel cell system.

With its IP68 waterproof and dustproof rating, the pump can withstand harsh operating environments, including exposure to moisture and contaminants, which is common in fuel cell installations. Its low noise operation (≤60dB) ensures compliance with noise regulations, making it suitable for both industrial and mobile fuel cell applications. The compact size and low power consumption of the brushless permanent magnet design allow for easy integration into space-limited fuel cell systems, without compromising on performance. Backed by a service life of over 20,000 hours, the OWP-BL300H-D3-3 offers long-term reliability, reducing maintenance costs and ensuring uninterrupted operation of fuel cell cooling systems. Whether used in stationary fuel cell power plants or mobile applications such as fuel cell vehicles, this electric coolant pump delivers the efficiency, durability, and performance required to support the seamless operation of fuel cell technology.