Commercial Growatt 1500V PV Inverter 320kw 333kw 350kw Solar Inverter for Iran 6MW Solar Farm

Product Description

Product Description

The Growatt MAX 320~350K-X is a high-power three-phase string inverter designed for utility-scale photovoltaic power plants, large commercial solar projects, ground-mounted solar farms, and other high-capacity PV applications.
 
The series covers 320kW, 333kW, and 350kW power classes and uses a high-voltage DC input architecture with multiple MPPT channels. Its 6 MPPT design helps improve energy harvesting from PV arrays with different orientations, module configurations, or installation conditions.
 
With a maximum efficiency of up to 99.03%, the MAX 320~350K-X helps reduce conversion losses and improve the overall energy yield of large-scale solar power systems. The inverter supports high-current PV modules and provides a robust solution for modern utility-scale PV projects.
 
Its IP66 protection rating, wide operating temperature range, and high-altitude operating capability make it suitable for demanding outdoor environments.
 
Solarasia can supply Growatt solar inverter solutions for overseas commercial and utility-scale PV projects, with product sourcing, technical support, customization coordination, and export services.

1. High Conversion Efficiency
The Growatt MAX 320~350K-X achieves a maximum efficiency of up to 99.03%.
High conversion efficiency helps reduce power losses during DC-to-AC conversion and improves the energy yield of large photovoltaic systems.
 
2. 320kW to 350kW Power Range
The series provides multiple high-power options for different PV system designs:
MAX 320K-X — 320kW
MAX 333K-X — 333kW
MAX 350K-X — 350kW
This power range allows EPC contractors and system integrators to select a suitable inverter according to project capacity and system architecture.
 
3. 6 MPPT Design
The inverter integrates 6 MPPT channels to improve PV array energy harvesting.
Multiple MPPT channels help the system manage different string configurations and reduce the impact of mismatched PV arrays.
 
4. High-Voltage PV Input
The MAX 320~350K-X is designed for high-voltage utility-scale PV systems.
The published specifications include up to 1500V DC maximum input voltage, supporting modern high-power PV modules and large solar array configurations.
 
5. Compatible with High-Power PV Modules
The inverter supports high-current PV module applications.
Growatt specifies high MPPT input current capability and compatibility with newer 182mm and 210mm PV module technologies, making it suitable for modern large-format solar panels.

Parameters

Datasheet	MAX 320K-X	MAX 333K-X	MAX 350K-X
Input data (DC)
Max. recommended DC power (for PV array)	480000W	499500W	528000W
Max. DC voltage	1500V
Start voltage	500V
Nominal voltage	1080V
MPP voltage range	500V-1500V
Max. input current per MPP tracker	80A
Max. short-circuit current per MPP tracker	100A
No. of MPP trackers	6
No. of PV strings per MPP tracker	5
Output data (AC)
AC nominal power	320000W	333000W	352000W
Max. AC apparent power	352000VA	366300VA	352000VA
Nominal AC voltage	800V
AC output range	640-920VAC
AC grid frequency (range*)	50/60 Hz (45-55Hz/55-65 Hz)
Nominal output current	230.9A	240.3A	254A
Adjustable power factor	0.8leading - 0.8lagging
THDi	< 3%
AC grid connection type	3W+PE

Packing & Delivery

Application Scenarios

Utility-Scale Solar Farms
The high-power inverter can simplify inverter selection for large ground-mounted PV projects.
It is suitable for utility-scale solar farms, centralized PV plants, and large renewable energy projects.
 
Commercial Solar Power Plants
The 320kW to 350kW power range makes the inverter suitable for large commercial and industrial PV systems.
It can be integrated into factories, warehouses, industrial parks, and other large commercial facilities.
 
Ground-Mounted Solar Projects
The IP66 outdoor protection design supports outdoor installation environments.
The inverter can be used in ground-mounted PV projects across different project locations and climatic conditions.
 
Large Rooftop PV Systems
The high power density makes the series suitable for large rooftop photovoltaic projects.
It can help system integrators reduce the number of inverters required for high-capacity installations.
 
EPC Solar Projects
The MAX 320~350K-X is suitable for EPC contractors, solar developers, distributors, and PV system integrators looking for high-power string inverter solutions.

Certifications

Company Profile

What is the power range of the Growatt MAX 320~350K-X?
The series covers 320kW to 350kW high-power inverter applications.
 
How many MPPTs does the MAX 320~350K-X have?
The MAX 320~350K-X series uses 6 MPPT channels.
 
What is the maximum DC voltage?
The published specifications list a maximum DC input voltage of 1500V.
 
What is the maximum efficiency?
The maximum conversion efficiency reaches 99.03%.
 
Is the MAX 320~350K-X suitable for solar farms?
Yes. It is designed for utility-scale and large PV applications.
 
Can it work with 210mm solar modules?
Yes. Growatt specifies compatibility with high-power 182mm and 210mm PV modules.
 
What is the protection rating?
The inverter has an IP66 protection rating.
 
Does the inverter support aluminum cables?
Yes. The product supports both aluminum and copper AC cable solutions.
 
Does the inverter support PLC communication?
Yes. PLC communication is available as an optional communication solution.
 
What type of solar system uses this inverter?
It is mainly used in large commercial, ground-mounted, and utility-scale PV systems.