Highlights
- High power generation
- 12 MPPT tracking
- Bifacial module support
- Reliable IP68 cooling
- Grid-friendly power control
Sineng SP-350K-INH High-Efficiency 3-Phase Grid-Tied String Inverter
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Highlights
- High power generation
- 12 MPPT tracking
- Bifacial module support
- Reliable IP68 cooling
- Grid-friendly power control
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Description
The Sineng SP-350K-INH is a cutting-edge 3-phase grid-tied string inverter designed for large-scale solar PV installations. It combines high efficiency, multiple MPPT tracking, and robust reliability to maximize energy generation and system performance. This inverter supports bifacial PV modules, making it ideal for modern solar farms looking to optimize output.
Equipped with 6 MPPT trackers, the inverter ensures precise voltage and current control for each PV string, achieving maximum power point tracking under varying sunlight and environmental conditions. Its design allows a maximum MPPT input current of 75 A, providing compatibility with a wide range of high-power PV modules.
For durability and low maintenance, the Sineng SP-350K-INH features IP68-rated cooling fans and an integrated string monitoring function. The standard connection terminals simplify installation and reduce commissioning time, while the intelligent cooling system ensures reliable operation even in harsh outdoor conditions.
Designed with grid compliance in mind, this inverter supports LVRT and HVRT functions, as well as active and reactive power control. It is a reliable and cost-effective solution for high-efficiency energy conversion in commercial and utility-scale solar projects.
Specification
Input (Solar/DC Side)
| Max Input Current per MPPT (A) |
75A |
|---|---|
| Max DC Voltage (V) |
1500 V |
| MPPT Voltage Range (V) |
860 ~ 1300V |
| No. of MPPTs |
12 |
| Max DC Input Power (kW) |
385 kW DC |
Connector Specification
| Grid Connection |
3-Phase + Neutral + PE |
|---|
Output (AC Side)
| Frequency (Hz) |
50 Hz / 60 Hz |
|---|---|
| Grid Connection |
3-Phase + Neutral + PE |
| Rated AC Current (A) |
~254A |
| Rated AC Voltage (V) |
800V |
| Rated Output Power (kW) |
350 kW |
DB Specification
| Mounting Type |
Ground-mounted / Skid-mounted |
|---|---|
| Noise Level (dB) |
≤ 65 dB |
Mechanical Details
| Weight | 140 kg |
|---|---|
| Dimensions | 1350 × 733 × 350 cm |
| Mounting Type |
Ground-mounted / Skid-mounted |
Smart Features
| Communication Interfaces |
Bluetooth ,Ethernet ,RS485 ,WiFi |
|---|
General
| Cooling Type |
Temperature controlled forced air cooling |
|---|---|
| Max Efficiency (%) |
99.03% |
| Phase | |
| Inverter Type |



