Growatt MAX 320-350K-X
The Growatt MAX 320-350K-X solar inverter is engineered for high efficiency and reliability, offering a maximum recommended PV power of 480000W and a max DC voltage of 1500V. With its robust design, it ensures seamless energy conversion for large-scale solar installations.
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 | ||
Note: Specifications are based on the official Growatt datasheet. Values may be subject to change; always verify against the latest manufacturer documentation.
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
Applications & Use Cases
Typical Applications
- Residential solar systems
- Commercial installations
- Industrial solar plants
- Utility-scale projects
- Smart grid integration
Regional Installation Notes (Lebanon)
Climate Suitability: Ideal for Lebanon's hot climate with wide operating temperature range and dust-resistant design.
- Sand and dust resistant design
- Wide operating temperature range
- High efficiency in hot conditions
- Long-term warranty
Frequently Asked Questions
What is the maximum output power and efficiency rating of the Growatt MAX 320-350K-X inverter?
The Growatt MAX 320-350K-X inverter has a maximum AC apparent power of 352,000 VA at 30°C, 320,000 VA at 45°C, and 295,000 VA at 50°C. It is designed for high efficiency in large-scale solar installations.
What are the PV input specifications for the Growatt MAX 320-350K-X inverter?
The inverter supports a maximum DC voltage of 1500V and has an MPP voltage range of 500V to 1500V. It can handle a maximum input current of 80A per MPPT tracker.
What are the AC output specifications of the Growatt MAX 320-350K-X inverter?
The inverter provides a nominal AC power of 320,000W with an AC output range of 640-920V. It operates at a grid frequency range of 50/60 Hz.
How many MPPT trackers and PV strings does the Growatt MAX 320-350K-X inverter support?
The inverter is equipped with 6 MPPT trackers, and each tracker can support up to 5 PV strings, allowing for flexible solar array configurations.
What protection features are included in the Growatt MAX 320-350K-X inverter?
The inverter includes comprehensive protection features such as overvoltage, overcurrent, and short-circuit protection to ensure safe and reliable operation.
What communication and monitoring options are available for the Growatt MAX 320-350K-X inverter?
The inverter supports various communication protocols, enabling remote monitoring and management through platforms like Growatt's ShineServer and ShinePhone.
What is the warranty coverage for the Growatt MAX 320-350K-X inverter?
Growatt typically offers a standard warranty period for their inverters, which can be extended. Specific terms should be confirmed with the supplier or installer.
What are the installation requirements for the Growatt MAX 320-350K-X inverter?
The inverter is designed for outdoor installation with an IP65 rating, ensuring protection against dust and water. It operates efficiently in a temperature range suitable for various climates.