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A high‑power, three‑phase grid‑tied string inverter designed for commercial & industrial PV rooftops and ground‑mount systems. The SUN‑80K‑G03 is built to maximize energy harvest while keeping operation and maintenance straightforward at scale.
Why it sells well in C&I projects:
• Strong DC oversizing support (high PV input power vs. AC rating) for better yield in mornings/evenings and winter.
• Wide MPPT operating window helps maintain stable production across temperature swings and long string designs.
• C&I‑grade protection: IP65 enclosure plus Type II DC/AC surge protection improves reliability in harsh outdoor sites.
• Grid‑support features: supports zero‑export applications and VSG (grid‑support) use cases where required by utilities.
• Optional string‑level intelligent monitoring to speed up troubleshooting and reduce O&M cost.
Ideal for: factories, warehouses, logistics parks, shopping centers, and ground‑mount PV plants where three‑phase grid connection and high efficiency are top priorities.
| Item | Specification |
| Rated AC Output Power | 80 kW |
| Max Apparent Power | 88 kVA |
| Max PV Input Power | 104 kW |
| Max PV Input Voltage | 1,000 V |
| Start‑up Voltage | 250 V |
| MPPT Voltage Range | 200–850 V |
| Rated PV Voltage | 600 V |
| MPPT / Strings | 4 MPPT, 4+4+4+4 strings per MPPT |
| Max Operating PV Current | 40+40+40+40 A |
| Max Short‑circuit PV Current | 60+60+60+60 A |
| Grid Connection | 3L+N+PE |
| Current THD | THDi < 3% |
| Power Factor | 0.8 leading … 0.8 lagging |
| Max Efficiency | Up to 98.8% |
| Euro Efficiency | Up to 98.2% |
| MPPT Efficiency | > 99% |
| Ingress Protection | IP65 |
| Surge Protection | Type II DC/AC SPD |
| Operating Ambient Temperature | -25 °C to +60 °C |
| Maximum Altitude | Up to 4000 m |
Recommend suitable products and configuration plans based on customers' power demand, application scenarios and budget.

Provide system-level combination suggestions for inverters, energy storage, batteries and supporting products.

All products undergo factory inspection and necessary testing before shipment.

Recommend suitable products and configuration plans based on customers' power demand, application scenarios and budget.

Offer product and system operation training for installers and project parties.
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