Designed specifically for the rigorous demands of fuel cell cooling systems, the OWP-BL43-200 Electric Coolant Pump combines advanced technology, robust protection, and long-lasting performance. As a critical component in hydrogen fuel cell vehicle cooling circuits, it ensures precise temperature control for fuel cell stacks, power electronics, and energy storage systems—delivering reliable fluid circulation even in extreme operating conditions.

• Intelligent Protection & Stability: Equipped with comprehensive safeguards including reverse polarity protection, dry running protection, over-voltage/current protection, and overload/over-temperature protection, the pump minimizes downtime and extends system lifespan. The constant flow control function maintains consistent fluid delivery, critical for maintaining fuel cell operating temperatures (80-90℃).
• Advanced Magnetic Drive Design: Featuring a shield pump structure with magnetic force transmission, the pump eliminates leakage risks while ensuring efficient power transfer. The driving electromagnet uses nylon plastic encapsulated magnets for enhanced durability and corrosion resistance.
• Superior Efficiency & Longevity: Powered by a high-efficiency brushless DC motor, this single-stage centrifugal pump achieves 3-5% higher motor efficiency than competitors through professional electromagnetic design verification. With a service life exceeding 20,000 hours and low power consumption, it reduces maintenance costs for fuel cell applications.
• Automotive-Grade Reliability: Built with automotive-grade electronic components, the pump withstands harsh environments (temperature range: -40℃ to +85℃, humidity ≤90%) and meets IP68 waterproof standards. Its hydraulic system—optimized via professional simulation software—ensures optimal impeller-volute matching for maximum hydraulic efficiency.

The OWP-BL43-200 is engineered as a dedicated cooling solution for fuel cell systems, particularly in hydrogen fuel cell vehicles. It plays a pivotal role in maintaining thermal balance across critical components:

• Circulates coolant through fuel cell stacks to regulate temperature within the optimal 80-90℃ range, preserving membrane electrode performance and catalyst activity.
• Ensures efficient heat dissipation for DC/DC converters, inverters, and energy storage batteries, preventing overheating-induced failures during high-power operation.
• Integrates seamlessly into integrated liquid cooling circuits, supporting the compact design and reliability requirements of automotive fuel cell systems.
• Its wide voltage range (18-32VDC) and robust protection features make it suitable for the dynamic operating conditions of fuel cell vehicles, from cold starts to prolonged high-load driving.

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