Features of the SUNGROW SG350HX Inverter
HIGH YIELD
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GRID SUPPORT
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LOW COST
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PROVEN SAFETY
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CIRCUIT DIAGRAM


EFFICIENCY CURVE


| Type designation | SG350HX |
| Input (DC) | |
| Max. PV input voltage | 1500 V |
| Min. PV input voltage / Startup input voltage | 500 V / 550 V |
| Nominal PV input voltage | 1080 V |
| MPP voltage range | 500 V – 1500 V |
| No. of independent MPP inputs | 12 (Optional: 14 / 16) |
| Max. number of input connector per MPPT | 2 |
| Max. PV input current | 12 * 40 A (Optional: 14 * 30 A / 16 * 30 A) |
| Max. DC short-circuit current per MPPT | 60 A |
| Output (AC) | |
| AC output power | 352 kVA @ 30℃ / 320 kVA @ 40 ℃ / 295 kVA @ 50℃ |
| Max. AC output current | 254 A |
| Nominal AC voltage | 3 / PE, 800 V |
| AC voltage range | 640 – 920 V |
| Nominal grid frequency / Grid frequency range | 50 Hz / 45 – 55 Hz, 60 Hz / 55 – 65 Hz |
| THD | < 3 % (at nominal power) |
| DC current injection | < 0.5 % In |
| Power factor at nominal power / Adjustable power factor | > 0.99 / 0.8 leading – 0.8 lagging |
| Feed-in phases / Connection phases | 3 / 3 |
| Efficiency | |
| Max. efficiency / European efficiency | 99.02 % / 98.8 % |
| Protection | |
| DC reverse connection protection | Yes |
| AC short circuit protection | Yes |
| Leakage current protection | Yes |
| Grid monitoring | Yes |
| Ground fault monitoring | Yes |
| DC switch / AC switch | Yes / No |
| PV string current monitoring | Yes |
| Q at night function | Yes |
| Anti-PID and PID recovery function | Optional |
| Surge protection | DC Type II / AC Type II |






