Growatt MAX 320~350K-X Series Solar Inverter
Datasheet
Key Features
- Maximum efficiency 99.03%
- Intelligent string breaking, active safety
- MPPT current 80A, adapted to 182/210 components
- String detection and I/V scanning, accurate location of abnormal strings
- IP66 protection level, adaptable to harsh environments
- Supports aluminium wire access, saving AC cable cost
Website: en.growatt.com
Technical Specifications
| Parameter | MAX 320K-X | MAX 333K-X | MAX 350K-X |
|---|---|---|---|
| Input data (DC) | |||
| Max. recommended PV power (for module STC) | 480000W | 499500W | 528000W |
| Max. DC voltage | 1500V | 1500V | 1500V |
| Start voltage | 500V | 500V | 500V |
| Nominal voltage | 1080V | 1080V | 1080V |
| MPP voltage range | 500V-1500V | 500V-1500V | 500V-1500V |
| Max. input current per MPP tracker | 80A | 100A | 100A |
| Max. short-circuit current per MPP tracker | 230.9A | 240.3A | 254A |
| No. of MPP trackers | 6 | 6 | 6 |
| No. of PV strings per MPP tracker | 5 | 5 | 5 |
| Output data (AC) | |||
| AC nominal power | 320000W | 333000W | 350000W |
| Max. AC apparent power | 352000VA | 366300VA | 352000VA |
| Nominal AC voltage | 230V | 800V | 800V |
| AC output range | 640-920VAC | 640-920VAC | 640-920VAC |
| AC grid frequency (range*) | 50/60 Hz(45~55Hz/55-65 Hz) | 50/60 Hz(45~55Hz/55-65 Hz) | 50/60 Hz(45~55Hz/55-65 Hz) |
| Nominal output current | 230.9A | 240.3A | 254A |
| Adjustable power factor | 0.8 leading ...0.8 lagging | 0.8 leading ...0.8 lagging | 0.8 leading ...0.8 lagging |
| THDI | < 3% | < 3% | < 3% |
| AC grid connection type | 3W+PE | 3W+PE | 3W+PE |
| Efficiency | |||
| Max.efficiency | 99.03% | 99.03% | 99.03% |
| European efficiency | 98.53% | 98.53% | 98.53% |
| MPPT efficiency | 99.90% | 99.90% | 99.90% |
| Protection devices | |||
| DC reverse polarity protection | Yes | Yes | Yes |
| DC Switch | Yes | Yes | Yes |
| AC/DC surge protection | Type II / Type II | Type II / Type II | Type II / Type II |
| Insulation resistance monitoring | Yes | Yes | Yes |
| RCD detection | Yes | Yes | Yes |
| Output short circuit protection | Yes | Yes | Yes |
| String fault monitoring | Yes | Yes | Yes |
| Anti -PID function | Optional | Optional | Optional |
| AFCI protection | Optional | Optional | Optional |
| Display/communication | |||
| Display | LED/WIFI+APP | LED/WIFI+APP | LED/WIFI+APP |
| Interfaces: | USB/RS485/GPRS/4G/PLC/WIFI | USB/RS485/GPRS/4G/PLC/WIFI | USB/RS485/GPRS/4G/PLC/WIFI |
| General data | |||
| Dimensions (W/H/D) | 1145/790/371mm | 1145/790/371mm | 1145/790/371mm |
| Weight | 126kg | 126kg | 126kg |
| Operating temperature range | -30°C...+60°C | -30°C...+60°C | -30°C...+60°C |
| Altitude | 5000m | 5000m | 5000m |
| Relative humidity | 0~100% | 0~100% | 0~100% |
| Nighttime power consumption | < 1W | < 1W | < 1W |
| Topology | Transformerless | Transformerless | Transformerless |
| Cooling | Smart air cooling | Smart air cooling | Smart air cooling |
| Protection degree | IP66 | IP66 | IP66 |
| Warranty: 5/10 years | Yes/Optional | Yes/Optional | Yes/Optional |
Certifications: CE, CB, IEC62116, IEC61727, IEC62910, IEC 61683, IEC60068
