After-sales Service: | 3years |
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Warranty: | 3years |
Nature of Source Flow: | Active Inverter |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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Initial Payment Full Payment |
Currency: | US$ |
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Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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The STS series by Guangdong Solarthon Technology Co., Ltd. is a cutting-edge solar storage inverter that 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, including only solar power, mains power priority, solar power priority, and mains power & solar power, the STS series provides versatility to meet different application needs. You can easily select between inverter and mains outputs.
The solar charge module 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 generation from the solar panel with a wide voltage range of MPPT.
The AC-DC charge module incorporates an advanced control algorithm for full digital double closed-loop control of voltage and current. With high control accuracy and a compact design, it stably and reliably charges and protects the battery with a wide AC voltage input range and full input/output protection function.
The DC-AC inverter module, based on full digital intelligent design, uses advanced SPWM technology to output a pure sine wave and convert DC into AC. It is suitable for a wide range of AC loads, including household appliances, electric tools, industrial devices, and electronic audiovisual equipment.
The STS series features a segment LCD display that shows real-time operation data and system status. With comprehensive electronic protection functions, this inverter ensures the safety and stability of the entire system.
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 |
Are your inverters pure sine wave output?
Q: Yes, all our inverters provide true pure sine wave output.
What kind of output can you provide?
Q: Normally, we produce inverters with self-adapting voltages of 110V, 115V, 120V, 220V, 230V, and 240V at 50/60Hz. If you have special requirements, please consult our engineers.
What's the difference between low frequency and high frequency inverters?
Q: Low frequency inverters offer various protections, strong environmental adaptability, reliable performance, and voltage regulation capabilities.
What's the difference between pure sine wave inverters and modified sine wave inverters?
Q: Pure sine wave output inverters provide power quality equivalent to or better than the public power grid. They have a low repair rate, long lifespan, no harmonic pollution, and are environmentally-friendly. On the other hand, modified sine wave output inverters can negatively impact appliances and cannot load inductive loads like air conditioners and refrigerators. Certain motor control circuits are also incompatible with modified sine waves.
What appliances can your inverters load?
Q: Our inverters can be used with household, office, agricultural appliances, and other inductive loads such as refrigerators, air conditioners, and water pumps.
Can you print our company logo on inverters, nameplates, and packaging?
Q: Yes, we accept OEM orders.
How do I choose the right inverter?
Q: Simply tell us your requirements, and our sales team will recommend a suitable inverter for you.
How do I solve technical problems?
Q: We offer 24-hour after-service consultancy to help you easily solve any technical problems you may encounter.
Do I need a power inverter?
Q: While not absolutely required, a power inverter is necessary if you want to have 220 or 230 volts AC power for normal AC appliances. Without an inverter, you will have to rely solely on battery power, which may be acceptable in small RVs or cabins.
What's the difference between 12, 24, and 48 volt inverters?
Q: The voltage refers to the input voltage from the battery bank. Higher voltages allow for less current, enabling the use of smaller wires between the solar panel array and the battery bank. It is important to ensure that the solar panels, inverter, and battery bank all use the same voltage.
What should I do if the product is broken?
Q: If any product is faulty, please send us pictures or videos for analysis. We will provide the necessary spare parts of the PCB board for free as part of our after-sale service.
For more information, please visit the website of Guangdong Solarthon Technology Co., Ltd.
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