SPS III 300-48/4000 is an isolated DC/DC converter with MPPT function. It can extract maximum power from solar panels throughout the day in real time. With excellent reliability, efficiency, and power density, it is specially designed for telecom, network access, and data center applications.
Introduction
Features
- High efficiency and high power density: 97% efficiency and 60.5W/in³ power density. MPPT efficiency is higher than 99%.
- Digital control: Digital primary and secondary control for excellent monitoring and regulation.
- High reliability design: One front-to-back airflow fan with optimized thermal design.
- Disconnect mains when hazardous input: Module can disconnect mains to protect itself when input conditions are abnormal.
- Excellent EMC performance: Lower interference and excellent susceptibility provide better compatibility.
- Global approvals: Meets applicable CE, UL and TÜV standards.
| DC Input | |
|---|---|
| Voltage | 85-400VDC (Nominal: 220VDC) (HVDC CB must be configured for each module) |
| MPPT Efficiency | > 0.99 |
| Input Current | <21A at 220VDC input; <26A at 176VDC input |
| Output | |
|---|---|
| Voltage | 40-58VDC (Nominal 53.5VDC) |
| Power | 4350W |
| Max. Current | 90.6A at 48VDC |
| Static Voltage Regulation | < 0.5% |
| Dynamic Voltage Regulation | <5% for 10%-90% load, regulation time ≤50ms |
| Ripple | <200mV peak to peak |
| Psophometric | <2mV |
| Current Sharing | <5% |
| Holdup Time | >10ms |
| Startup Time | 3-8s |
| Efficiency | 97% |
