SIT250K Solar Inverter
Advantages of SIT250K Solar Inverter
1. The electrical power generation system adopts the latest T-type three-level structural design, with high efficiency and low consumption.
2. Wide MPPT voltage range, MPPT efficiency> 99%.
3. The solar inverter has high conversion efficiency: the maximum conversion efficiency up to 97.8%, which is equivalent to 97.3% Europe efficiency.
4. The solar inverter is easy to operate with a user-friendly touch screen display.
5. The solar power inverter has complete range of protection features with high reliability.
6. Designed for high altitude area, the solar inverter is capable of full-load power generation below 4000m height.
7. Standard MODBUS protocol RS485 communication interface, optional Ethernet communication interface.
8. Modular design, easy maintenance, compact structure, low temperature rise, service life above 25 years.
9. Grid dispatch to enable the continuous adjustment of the active and reactive power.
Advantages of SIT250K Solar Inverter
| Input | |
| Rated Input Power (kW) | 250 |
| Maximum Input Power (kW) | 285 |
| MPPT Voltage Range (V) | 500-850 |
| Maximum DC Voltage (V) | 1000 |
| Maximum DC Current (A) | 620 |
| Input Channels | 8 |
| Starting Voltage (V) | 500 |
| Surge Protection | Ⅱ grade |
| Output | |
| Rated Output Power (kW) | 250 |
| Maximum Output Power (kW) | 275 |
| Rated Output Voltage (V) | 400/340-440V |
| Rated Output Current (A) | 360 |
| Maximum Output Current (A) | 426 |
| Grid Frequency (Hz) | 50 |
| Power Factor | leading 0.9~lagging 0.9 |
| Harmonic Factor (Full Load) | <3% |
| Surge Protection | Ⅱ grade 8/20ns |
| Efficiency and loss | |
| Maximum Efficiency | 97.80% |
| European Efficiency | 97.30% |
| Standby Power Consumption (W) | <100 |
| External auxiliary power supply (V) | 230V 50/60Hz for (L-N-PE) 3×400V 50/60Hz for (L-L-PE) |
| Weight and Dimensions | |
| Dimensions (W×H×D) (mm) | 1600×2000×800 |
| Mass (Kg) | 2000 |
| Display and Communications | |
| Display | 7 inch LCD touch screen |
| Data Interface | RS232,RS 485(MODBUS)2 Channel , Ethernet |
| Protection rating and ambient conditions | |
| Protection Class | IP 20 |
| Operating Temperature Range | - 25~ 55 ℃ |
| Storage Temperature Range | - 25~ 70 ℃ |
| Humidity Range | 5%-95% |
| Cooling | Forced air cooling (6000m3/h) |
| Installation altitude (m) | 6000m, no de-rate below 3000m |
| Features | |
| Ground Fault Detection | yes |
| Heater | yes |
| Emergency Stop | yes |
| AC Circuit Breaker | yes |
| DC Circuit Breaker | yes |
| Over-voltage Protection AC/DC | yes |
| Auxiliary Power Supply Over-Voltage Protection | yes |
| Step-up Transformer | yes |
| Security Protection | yes |
| Certificates | |
| EMC | EN 61000-6-2, EN 61000-6-4 EN 61000-3-11; EN 61000-3-12 |
| CE | yes |
| China General Certification, CGC | China General Certification Center |
| Low Voltage Ride Through, LVRT | State Grid Electric Power Research Institute |
| RD 1633/2000 | yes |
| CEI 0-16 | yes |
| Warranty | 5 years |
| Grid Dispatch | yes |
