OWP-BL43-440C Electric Coolant Pump: Premium Cooling Solution for High-Power EV Charging Stations
Engineered for extreme reliability in demanding electric vehicle (EV) infrastructure, the OWP-BL43-440C Electric Coolant Pump delivers industry-leading performance for high-power charging stations, battery swap facilities, and critical cooling systems. Combining advanced BLDC motor technology with robust magnetic transmission, this single-stage centrifugal pump ensures stable, efficient thermal management even in harsh operating environments.
Core Advantages
Designed to outperform standard cooling pumps, the OWP-BL43-440C integrates multiple protective features and efficiency-boosting technologies:
- Precision Flow Control: Equipped with constant flow regulation and PWM speed adjustment, the pump adapts dynamically to cooling demands, optimizing energy consumption while maintaining consistent thermal performance.
- Comprehensive Protection Systems: Features reverse polarity protection, dry running safeguard, and multi-layered protection against overvoltage, overcurrent, overload, and overtemperature—ensuring uninterrupted operation and extended service life (>20,000 hours).
- Enhanced Efficiency: Professional electromagnetic design verification enhances motor efficiency by 3-5% compared to competitors, while hydraulic simulation-optimized impeller and volute configurations maximize fluid dynamics for superior hydraulic efficiency.
- Robust Construction: Magnetic force transmission (shield pump structure) eliminates leakage risks, while the nylon plastic-encapsulated driving magnet ensures corrosion resistance and long-term reliability. With an IP68 rating, the pump operates seamlessly in dust, moisture, and extreme temperatures (-40℃ to +120℃ ambient).
- Wide Operational Range: Handles medium temperatures from -40℃ to +85℃ and system pressures between -0.5 to 2.5 Bar, making it suitable for diverse cooling media in EV charging applications.
Technical Specifications
| Parameter |
Details |
| Power Input |
24VDC (18-32VDC) |
| Rated Power |
400W |
| Rated Flow Rate |
3000L/H @ Head 20M |
| Maximum Flow |
4600L/H |
| Maximum Lift Head |
23M |
| Speed Regulation |
PWM |
| Working Temperature (Medium) |
-40℃ to +85℃ (-40°F to +185°F) |
| Working Ambient Temperature |
-40℃ to +120℃ (-40°F to +248°F), Humidity ≤90% |
| System Pressure |
-0.5-2.5 Bar (at 100℃/212°F) |
| Noise Level |
≤60dB |
| IP Rating |
IP68 |
| Service Life |
>20,000 Hours |
| Outlet Connection |
Clamp Quick-Connect Fitting |
Application: High-Power EV Charging & Battery Swap Infrastructure
The OWP-BL43-440C is specifically engineered to address the cooling challenges of high-power EV charging stations, delivering reliable thermal management across critical components:
- Supercharging Station Power Equipment: Cools transformers, inverters, and rectifiers in 350kW+ supercharging stations, preventing overheating during high-load operation and ensuring consistent charging speeds.
- EV Charging Piles: Integrates seamlessly with DC fast-charging piles, maintaining optimal temperatures for power modules and charging connectors to extend equipment lifespan and reduce downtime.
- Battery Swap & Charging Systems: Provides precise cooling for replaceable battery packs during rapid charging cycles, ensuring uniform temperature distribution to protect battery cells and maintain charging efficiency.
- Backup Cooling for Charging Infrastructure: Serves as a redundant cooling solution for critical charging components, minimizing operational risks in mission-critical EV charging networks.
Built to withstand the rigors of 24/7 operation in commercial EV charging facilities, the OWP-BL43-440C combines durability, efficiency, and smart control to meet the evolving needs of the global EV infrastructure market.
Performance

Overall Size

