High-Power 48VDC Electric Coolant Pump OWP-BL300H-D3-3 - 300W 5000L/H IP68 for 5G Base Station High-Power AAU (Radio Frequency Unit) Cooling

The OWP-BL300H-D3-3 Electric Coolant Pump is a high-performance, reliable solution engineered specifically for cooling high-power AAU (Radio Frequency Units) in 5G base stations. Designed to operate under demanding conditions, this 300W pump delivers exceptional flow rates and lift capabilities, ensuring optimal thermal management for critical 5G infrastructure. With a rated flow of 2880L/H at 17.5M head and a maximum flow of 5000L/H, it efficiently circulates cooling media to prevent overheating, safeguarding the performance and longevity of 5G equipment. Its wide input voltage range of 42-54VDC (48VDC nominal) and ability to handle medium temperatures from -40℃ to 85℃ (with long-hour working guarantees) make it adaptable to diverse environmental conditions, from extreme cold to high-heat deployment sites. Equipped with IP68 protection, PWM speed regulation, and high/low-level fault feedback, the OWP-BL300H-D3-3 offers precise control, real-time monitoring, and robust durability, making it the ideal choice for 5G base station operators seeking a trustworthy cooling solution.

Specifications

Key Advantages

The OWP-BL300H-D3-3 stands out with its advanced design and user-centric features. Its closed impeller structure ensures large flow rates, high pump efficiency, and low noise levels (≤60dB), creating a quiet operating environment while maximizing cooling performance. As a permanent magnet brushless pump, it boasts a compact footprint and low power consumption, optimizing space utilization and reducing energy costs for 5G base stations. The shaft system utilizes ultra-high-life friction pair materials, significantly extending the pump’s service life beyond 20,000 hours and minimizing maintenance requirements. Additionally, the shielded structure enhances safety and reliability by preventing media leakage and protecting internal components from external contaminants, even in harsh outdoor settings. Combined with PWM speed regulation, users can precisely adjust flow rates to match cooling demands, improving energy efficiency and system flexibility.

Application

This electric coolant pump is specifically designed for cooling the high-power AAU (Radio Frequency Unit) of 5G base stations. 5G AAUs generate substantial heat during operation, and efficient thermal management is critical to maintaining signal stability, reducing downtime, and extending equipment lifespan. The OWP-BL300H-D3-3’s high flow, high lift, and wide operating temperature range make it perfectly suited to this application, ensuring consistent cooling performance in all operational scenarios. Whether deployed in urban, suburban, or remote areas, its IP68 protection and durable construction enable reliable operation in dust, moisture, and extreme temperature conditions, making it an indispensable component for 5G infrastructure cooling.

PWM Speed Control Mode

Dimensional Drawing