Growatt Solar Inverters MAX-320/333/350K-X
The MAX-320K-X is an utility-scale three-phase string inverter. Designed for large rooftops, ground-mount solar farms, and IPP projects in KSA.
Models and prices
- MAX-320K-XAED 74,478incl. VAT
- MAX-333K-XAED 77,504incl. VAT
- MAX-350K-XAED 81,926incl. VAT
Technical Specifications
| Parameter | MAX-320K-X | MAX-333K-X | MAX-350K-X |
|---|---|---|---|
| PV Input | |||
| Max. recommended PV power (for module STC) | 480000W | 499500W | 528000W |
| Max. DC voltage | 1500V | ||
| Start voltage | 500V | ||
| Nominal voltage | 1080V | ||
| MPP voltage range | 500V-1500V | ||
| Max. input current per MPPT tracker | 80A | ||
| Max. short-circuit current per MPPT tracker | 100A | ||
| No. of MPPT trackers | 6 | ||
| No. of PV strings per MPPT tracker | 5 | ||
| AC Output | |||
| AC nominal power | 320000W | 333000W | 352000W |
| Max. AC apparent power | 352000VA@30°C 320000VA@45°C 295000VA@50°C | 366300VA@25°C 333000VA@45°C 295000VA@50°C | 352000VA@30°C 320000VA@45°C 295000VA@50°C |
| Nominal AC voltage | 800V | ||
| AC output range | 640-920V AC | ||
| AC grid frequency (range) | 50/60 Hz (45-55 Hz / 55-65 Hz) | ||
| Nominal output current | 230.9A | 240.3A | 254A |
| Adjustable power factor | 0.8 leading - 0.8 lagging | ||
| THDi | <3% | ||
| AC grid connection type | 3W+PE | ||
| Efficiency | |||
| Max efficiency | 99.03% | ||
| European efficiency | 98.53% | ||
| MPPT efficiency | 99.90% | ||
| Protection Features | |||
| DC reverse polarity protection | Yes | ||
| DC Switch | Yes | ||
| AC/DC surge protection | Type I / Type II | ||
| Insulation resistance monitoring | Yes | ||
| RCD detection | Yes | ||
| Output short circuit protection | Yes | ||
| String fault monitoring | Yes | ||
| Anti-PID function | Optional | ||
| Communication | |||
| Display | LED/WIFI+APP | ||
| Interfaces | USB/RS485/GPRS/4G/PLC/WIFI | ||
| Mechanical Data | |||
| Dimensions (W / H / D) | 1145/790/371mm | ||
| Weight | 139kg | ||
| Operating temperature range | -30°C to +60°C | ||
| Altitude | 5000m (Derating @ 4000 m) | ||
| Relative humidity | 0-100% | ||
| Nighttime power consumption | <1W | ||
| Topology | Transformerless | ||
| Cooling | Smart air cooling | ||
| Protection degree | IP66 | ||
Figures are measured at the test conditions the manufacturer’s datasheet states. A dash means the manufacturer publishes no figure for that model.
Availability & grid compliance in the UAE
| Market | UAE |
|---|---|
| Grid authority / regulator | DEWA, ADDC, SEWA |
| Quotation currency | AED |
| Support hours timezone | Asia/Dubai |
| Main cities | Dubai, Abu Dhabi, Sharjah, Ajman, Ras Al Khaimah |
Key Features & Technical Highlights
- 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
Frequently Asked Questions
What are the AC output specifications of the Growatt MAX-320K-X inverter?
On the Growatt MAX-320K-X inverter, the AC nominal power is 320000W, the max. AC apparent power is 352000VA@30°C 320000VA@45°C 295000VA@50°C, the nominal AC voltage is 800V, the AC output range is 640-920V AC and the AC grid frequency (range) is 50/60 Hz (45-55 Hz / 55-65 Hz).
What are the PV input specifications of the Growatt MAX-320K-X inverter?
On the Growatt MAX-320K-X inverter, the max. recommended PV power (for module STC) is 480000W, the max. DC voltage is 1500V, the start voltage is 500V, the MPP voltage range is 500V-1500V and the max. input current per MPPT tracker is 80A.
What are the efficiency specifications of the Growatt MAX-320K-X inverter?
On the Growatt MAX-320K-X inverter, the max efficiency is 99.03%, the European efficiency is 98.53% and the MPPT efficiency is 99.90%.
Which protection functions does the Growatt MAX-320K-X inverter have?
The Growatt MAX-320K-X inverter specification lists DC reverse polarity protection, DC switch, AC/DC surge protection (Type I / Type II), insulation resistance monitoring and RCD detection.
What are the dimensions, weight and enclosure specifications of the Growatt MAX-320K-X inverter?
On the Growatt MAX-320K-X inverter, the dimensions (W / H / D) are 1145/790/371mm, the weight is 139kg, the topology is transformerless, the cooling is Smart air cooling and the protection degree is IP66.
What are the operating environment specifications of the Growatt MAX-320K-X inverter?
On the Growatt MAX-320K-X inverter, the operating temperature range is -30°C to +60°C, the altitude is 5000m (derating @ 4000 m) and the relative humidity is 0-100%.