| Customization: | Available |
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| After-sales Service: | 3years |
| Warranty: | 3years |
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ON/OFF GRID SOLAR INVERTER 3kw/3.3kw/3.5kw/5kw/5.5kw
The STS series is a new solar storage inverter developed by Guangdong Solarthon Technology Co., Ltd. It combines solar energy storage, mains charging energy storage, and AC sine wave output. With its DSP control and advanced control algorithm, this inverter offers high response speed, reliability, and industrial standard.
Featuring four charge modes - only solar power, mains power priority, solar power priority, and mains power & solar power - the STS series is versatile and can be tailored to different application needs. The inverter and mains outputs are selectable, providing flexibility and adaptability.
The solar charge module of the STS series utilizes the latest optimized MPPT tracking technology, allowing it to quickly track the maximum power point of the PV array in any environment. This ensures real-time maximum energy conversion from the solar panels, even with a wide voltage range of MPPT.
The AC-DC charge module of the STS series employs an advanced control algorithm, enabling full digital double closed-loop control of voltage and current. This results in high control accuracy and a compact design. The wide AC voltage input range and full input/output protection function ensure stable and reliable charging and protection of the battery.
The DC-AC inverter module of the STS series is based on a full digital intelligent design and utilizes advanced SPWM technology to output a pure sine wave. This makes it suitable for powering various AC loads such as household appliances, electric tools, industrial devices, and electronic audiovisual equipment. The segment LCD display provides real-time operation data and system status, while the comprehensive electronic protection function ensures safety and stability of the entire system.Contact Us
| Model | STS33248 | STS35224 | STS55248 | STS55248B | STS30224U | STS50248U |
| Number Of Parallel Machines | / | / | / | 1~6 pcs | / | / |
| Rated Output Power | 3300W | 3500W | 5500W | 5500W | 3000W | 5000W |
| Load Motor Capability | 2HP | 2HP | 4HP | 4HP | 2HP | 4HP |
| Rated Output Voltage | 230VAC, 50Hz/60Hz | 230VAC, 50Hz/60Hz | 230VAC, 50Hz/60Hz | 230VAC, 50Hz/60Hz | 120VAC, 50Hz/60Hz | 120VAC, 50Hz/60Hz |
| Inverter Output Efficiency | >92% | >90% | >90% | >92% | >91% | >90% |
| Max. PV Input Voltage(Voc) | 145VDC | 500VDC | 500VDC | 500VDC | 108VDC | 500VDC |
| MPPT Tracking Voltage Range | 60V-115VDC | 120V-450VDC | 120V-450VDC | 120V-450VDC | 30V-85VDC | 120V-450VDC |
| PV Array Maximum Power | 3400W | 4000W | 6000W | 6000W | 1400W | 5000W |
| Max. Input Current | 40A | 13A | 22A | 22A | 40A | 18A |
| Baterry Voltage | 48VDC | 24VDC | 48VDC | 48VDC | 24VDC | 48VDC |
| AC Input Voltage | 170~280VAC, 50Hz/60Hz | 90~140VAC, 50Hz/60Hz | 90~140VAC, 50Hz/60Hz | |||
| Max. AC Charge Current | 60A | 80A | 60A | 60A | 40A | 40A |
| Max. PV Charge Current | 60A | 80A | 100A | 100A | 60A | 80A |
| Product Size | 378x280x103mm | 378x280x103mm | 426x322x126mm | 426x322x126mm | 378x280x103mm | 426x322x126mm |
| Weight | 6.2kg | 7.4kg | 10.5kg | 10.5kg | 6.8kg | 11.6kg |
| Warranty | 3 years | |||||
Q: Are your inverters pure sine wave output?
A: Yes, all our inverters have a true pure sine wave output.
Q: What kind of output can you provide?
A: We normally produce inverters with 110V, 115V, 120V, 220V, 230V, and 240V, with a self-adapting frequency of 50/60Hz. If you have special requirements, please consult our engineers.
Q: What's the difference between low frequency and high frequency inverters?
A: Low frequency inverters offer various protections and have a strong ability to adapt to different environments. They are more reliable and have voltage regulation capabilities.
Q: What's the difference between pure sine wave inverters and modified sine wave inverters?
A: Pure sine wave output inverters provide power that is just as good as the public power grid, if not better. They have a low repair rate, long lifespan, no harmonic pollution, and are environmentally friendly. They also protect appliances. On the other hand, modified sine wave output inverters can have a negative impact on appliances and cannot load inductive loads such as air conditioners and refrigerators. Certain motor control circuits may not work well with modified sine wave output.
Q: What appliances can your inverters load?
A: Our inverters can be used with household, office, and agricultural appliances, as well as other inductive loads such as refrigerators, air conditioners, and water pumps.
Q: Can you print our company logo on inverters, nameplates, and packaging?
A: Yes, we accept OEM orders and can print your company logo on the inverters, nameplates, and packaging.
Q: How do I choose the right inverter?
A: Simply tell us your requirements and our sales team will recommend a suitable inverter for you.
Q: How do I solve technical problems?
A: We offer 24-hour after-service consultancy to help you easily solve any technical problems you may encounter.
Q: Do I need a power inverter?
A: While not absolutely required, a power inverter is necessary if you want to have 220 or 230 volts AC and use normal AC appliances. Without a power inverter, you will only have battery power, which may be acceptable for small RVs or cabins.
Q: What's the difference between 12, 24, and 48 volt inverters?
A: The voltage refers to the input voltage from the battery bank. Higher voltages allow for lower currents, which means you can use smaller wires between your solar panel array and battery bank. It is important to ensure that the solar panels, inverter, and battery bank all use the same voltage.
Q: What should I do if the product is broken?
A: If any product is faulty, please send us pictures or videos, and we will provide free spare parts for the PCB board as part of our after-sale service.
For more information, please visit our website. Thank you! Contact Us
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