The OWP-BL300H-D3-3 Electric Coolant Pump is a high-performance, reliable solution specifically engineered for Battery Management Systems (BMS), delivering exceptional flow rate, lift capacity, and durability to meet the demanding cooling needs of critical electronic systems. Operating on a 48VDC input (42-54VDC range), this 300W rated pump offers a rated flow of 2880L/H at 17.5M head, with a maximum flow capacity of 5000L/H and a maximum lift head of 22M—ensuring efficient heat dissipation even in high-load conditions. Designed to handle a variety of media including 50-60% glycol-water mixtures, dielectric oil, and electronic fluorinated solutions, it maintains consistent performance across a wide temperature range of -40℃ to 85℃ for long-hour operation, making it suitable for harsh environmental conditions. With an IP68 protection rating, PWM speed regulation, and high/low-level fault feedback signals, the OWP-BL300H-D3-3 combines advanced functionality with robust design, while its ≤60dB noise control ensures quiet operation, and a service life exceeding 20000 hours guarantees long-term reliability for BMS applications.

The OWP-BL300H-D3-3 stands out with its closed-type impeller design, which optimizes flow dynamics to achieve high pump efficiency while minimizing noise levels—meeting the ≤60dB noise control standard for quiet operation. As a permanent magnet brushless pump, it boasts a compact footprint and low power consumption, making it ideal for space-constrained BMS installations where energy efficiency is critical. The pump’s shaft system utilizes ultra-high-life friction pair materials, significantly extending its service life beyond 20000 hours and reducing maintenance requirements. Its shielded structure enhances reliability by protecting internal components from media contamination and external environmental factors, while the IP68 rating ensures complete protection against dust and prolonged submersion in water—ideal for rugged operating conditions. Additionally, PWM speed regulation allows for precise flow control to adapt to varying cooling demands, and high/low-level fault feedback signals enable real-time monitoring, ensuring system safety and performance optimization.

This electric coolant pump is specifically designed for Battery Management Systems (BMS), a critical component in electric vehicles, energy storage systems, and other high-voltage electronic applications. The BMS relies on efficient thermal management to maintain battery performance, extend battery life, and prevent overheating-related failures. The OWP-BL300H-D3-3’s high flow rate, robust lift capacity, and compatibility with specialized cooling media make it perfectly suited to regulate temperatures in BMS, ensuring stable operation even under extreme loads and environmental conditions. Its long service life, low noise, and advanced control features further enhance its suitability for BMS applications, providing a reliable, low-maintenance cooling solution that supports the overall efficiency and safety of battery systems.

Fault Feedback & PWM Speed Control Chart

Dimensions