Xiamen D.T. Multi Tech Co., Ltd. is one of the most reliable manufacturers and suppliers of 250kW Three-Phase String Inverter in China. With abundant experience, we warmly welcome you to wholesale cheap 250kW Three-Phase String Inverter from our factory. If you have any enquiry about cooperation, please feel free to email us.
SOFAR 250~350KTLX0
- Max.efficiency up to 99.05%
- High-current input, compatible with 700Wp+ module
- IP66 & C5 protection design for outdoor
- Intelligent string breaking protection for high safety
- I-V curve scanning function
250KTLX0 is a string inverter product suitable for various scenarios such as large-scale industrial and commercial, ground power stations, etc. It has good stability, high power generation efficiency, strong grid friendliness, and lower system cost.
Enhanced Features for Megawatt-Scale Plants
Ultra-High Efficiency & Yield: Pushes performance boundaries with a maximum efficiency of up to 99.05%. Optimized to handle high-current inputs effortlessly, this system offers native compatibility with next-generation 700Wp+ ultra-high-power PV modules, maximizing energy capture per square meter.
Streamlined Investment & Low Cost: Features integrated PBUS communication support, which eliminates extensive communication cabling to significantly reduce balance-of-system (BOS) investment and on-site installation costs. Additionally, the built-in Night SVG (Static Var Generator) function provides reactive power support directly to the grid at night, removing the need for expensive external static var compensator equipment.
Heavy-Duty IP66 Reliability: Built with an IP66 protection degree and a durable enclosure, this unit operates flawlessly in extreme ambient environments ranging from -30°C to +60°C, supported by an intelligent smart air cooling system.
Technical Specifications
| Model | SOFAR 250KTLX0 | SOFAR 330KTLX0 | SOFAR 350KTLX0 |
| Input (DC) | |||
| Max. input voltage | 1500V | ||
| Rated input voltage | 1160V | ||
| Start-up voltage | 550V | ||
| MPPT operating voltage range | 500-1500V | ||
| Number of MPP trackers | 6 | 8 | |
| Number of DC inputs | 24 | 32 | |
| Max. input MPPT current | 6*60A | 8*60A | |
| Max. input short circuit current | 6*100A | 8*100A | |
| Output (AC) | |||
| Rated output power | 250kW | 330kW | 352kW |
| Max. apparent power | 250kVA | 330kVA | 352kVA |
| Max. output current | 180.5A | 238.2A | 254.1A |
| Rated output voltage | 3/PE 800V | ||
| Output voltage range | 640-920V | ||
| Rated output frequency | 50/60Hz | ||
| Output frequency range | 45-55Hz / 55-65Hz | ||
| Active power adjustable range | 0-100% | ||
| THDI | <3% | ||
| Power factor | 0.8 leading - 0.8 lagging | ||
Target Applications
Commercial & Industrial (C&I) Rooftops
Perfect for factory rooftop solar projects, manufacturing plants, large logistical warehouses, and corporate office parks where roof orientation varies and maximum fire safety is a non-negotiable requirement.
Small-Scale Ground Solar Farms
An excellent, highly reliable string solution for decentralized, utility-scale ground arrays, offering lower balance-of-system (BOS) costs and simplified operations and maintenance compared to centralized alternatives.
Solar Carports & Agricultural PV
The multi-MPPT design makes it ideal for irregular structures like commercial solar carports and agri-photovoltaic installations, tracking fluctuating sunlight levels across different sections with precision.
FAQ
Q: Does a household PV system need energy storage equipment?
A: We recommended that the household photovoltaic power generation system eventually be connected to the power grid. In this way, a battery pack is not required for energy storage, saving a substantial amount in cost At the same time, grid-connection allows for additional government subsidies, which makes it the most economical method.
Q: How is a household photovoltaic system put together?
A: First of all, we need to collect basic information from you, including the type of housing structure (residential or commercial), roof structure, roof area, monthly electricity consumption, and so on. Based on the above information, we will design the most economical system scheme for you to maximize the benefits.
Q: What happens when the grid is undervolted?
A: Turn the Multimeter onto AC voltage gear, measure the AC output terminals should have 220V or 380V voltage, if not, check in turn whether the terminals are loose, whether the AC switch is closed, whether the protector switch is disconnected.
Q: What communication protocol does the inverter use?
A: Typically, serial-based communication uses the Modbus-RTU communication protocol.
Q: The meter reading is not the same as the power generation shown on the grid-connected inverter?
A: Usually, the power generation displayed by the grid-connected inverter is the power exported from the AC side of the grid-connected inverter, while the meter of the power supply company shows the power from the grid-connected point. There is usually a certain difference between the two measurement points, which is generated by the sampling accuracy and AC line loss between the two points. The actual calculation of electricity is based on the meter. If there is a large difference, the AC side cable can be checked and optimized.
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