Product Advantages
1. Compatibility with Bifacial Modules: The SUNGROW SG20RT grid-tied inverter is compatible with bifacial solar modules which capture sun rays from both sides, greatly increasing energy output. This makes it an ideal choice for those who want to maximize their solar energy generation.
2. Over-the-Air Firmware Updates: The SUNGROW SG20RT features an over-the-air firmware update system. This allows for easy and convenient software updates without the need for on-site visits or maintenance. This feature ensures that the inverter is always up-to-date and performing at optimal levels.
3. Built-in Type II DC & AC SPD: The SUNGROW SG20RT comes with a built-in type II DC and AC SPD (Surge Protection Device). This feature provides superior protection from power surges, which can damage the inverter and cause downtime. With this feature, your system is safeguarded and you can rest assured that it will operate efficiently and safely.
4. Unique Push-In Connectors: The SUNGROW SG20RT features unique push-in connectors that make installation easy and hassle-free. These connectors greatly reduce the time required for installation with little to no disruption to your home or business. This feature also ensures a secure connection for optimal energy performance.
5. Maximum Efficiency: The SUNGROW SG20RT inverter has a maximum efficiency of up to 98.6%. This high efficiency ensures maximum power output, even in low-light conditions. This means that you can generate more energy and save more money on your energy bills. Overall, the SUNGROW SG20RT grid-tied inverter is a reliable and efficient choice for your solar energy needs.
Technical Data
Type Designation |
SG15RT |
SG17RT |
SG20RT |
Input (DC) |
|||
Recommended max. PV Input Power |
22.5 kWp |
25.5kWp |
30kWp |
Max. PV Input Voltage |
1100 V |
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Min. PV Input Voltage / Start-up Input Voltage |
180V / 180V |
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Rated Input Voltage |
600 V |
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MPP Voltage Range |
160 V – 1000 V |
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No. of Independent MPP Inputs |
2 |
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No. of PV Strings Per MPPT |
2/2 |
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Max. PV Input Current |
50 A (25 A / 25 A) |
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Max. DC Short-circuit Current |
64 A (32 A / 32 A) |
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Max. Current For Input Connect |
30 A |
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Output (AC) |
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Rated AC Output Power |
15000 W |
17000 W |
20000 W |
Max. AC Output Apparent Power |
16500 VA |
18700 VA |
22000 VA |
Rated AC Output Apparent Power |
16500 VA |
18700 VA |
22000 VA |
Max. AC Output Current |
25A |
28.3 A |
31.9A |
Rated AC Output Current(at 230V) |
21.7A |
24.6A |
29A |
Rated AC Voltage |
3 / N / PE, 220 / 380 V 3 / N / PE, 230 / 400 V 3 / N / PE, 240 / 415 V |
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AC Voltage Range |
180V – 276V / 311V - 478V |
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Rated Grid Frequency |
50 Hz / 60 Hz |
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Grid Frequency Range |
45 - 55 Hz/ 55 - 65 Hz |
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Harmonic (THD) |
<3 % (at rated power) |
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Power Factor At Rated Power / Adjustable Power Factor |
>0.99/0.8 leading – 0.8 lagging |
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Feed-in Phases / Connection Phases |
3 / 3 |
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Efficiency |
|||
Max. Efficiency |
98.50% |
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European Efficiency |
98.10% |
General Data
Dimensions(W*H*D) |
370*480*195 mm |
Weight |
21 kg |
Mounting method |
Wall-mounting bracket |
Topology |
Transformerless |
Degree of protection |
IP65 |
Night power consumption |
< 6 W |
Corrosion |
C5 |
Operating ambient temperature range |
-25 ℃ to 60 ℃ |
Allowable relative humidity range (non-condensing) |
0% – 100% |
Cooling method |
Natural cooling |
Max. operating altitude |
4000 m |
Display |
LED |
Communication |
WLAN / Ethernet / RS485 / DI / DO |
DC connection type |
MC4 (Max. 6 mm² ) |
AC connection type |
Plug and play |
Grid Compliance |
EC / EN 61000-6-1/2/3/4, IEC 61000-3-2/3/11/12, IEC / EN62109-1/2, IEC 61727, IEC 62116, IEC 61683, IEC 60068-2-1/2/14/30/64/27,IEC TS 62910 , EN50530, AS/NZS 4777.2:2020, VDE-AR-N-4105, DIN VDE0126- 1-1/A1, EN50549-1, DEWA, VFR 2019, UTE C15-712-1, PSE NC RfG, UNE 206006/7 IN, MEA/PEA, G98, UNE 217002:2020, NTS V2 TypeA |
Grid Support |
LVRT, HVRT,active & reactive power control and power ramp rate control |
Inverter Appearance
No. |
Name |
Description |
1 |
Nameplate |
To clearly identify the product, including device model, S/N, important specifications, marks of certification institutions,etc. |
2 |
LED indicator |
To indicate the current working state of the inverter. |
3 |
Hanger |
Complement to the included wall-mounting bracket for hanging the inverter. |
4 |
Label |
Information about COM2 pin definition, supported DRM modes, etc. |
5 |
DC switch (Optional) |
To safely disconnect the DC circuit whenever necessary |
6 |
Electrical connection area |
DC terminals (SG20RT for example), AC terminal, additional grounding terminal and communication terminals. |
7 |
Fans |
Optimization of the inverter’s heat dissipation. Only the SG15RT, SG17RT, SG20RT, SG15RT-P2, SG17RT-P2 and SG20RT-P2 are equipped with fans. |
Pay Attention
1. Ensure Proper Installation: SUNGROW SG20RT grid-tied inverters should be installed by a qualified professional who is familiar with electrical and safety regulations. The inverter must be mounted vertically on a solid, flat surface and kept away from direct sunlight and sources of heat to prevent damage.
2. Use Appropriate Dc Input: It is important to ensure that the SG20RT inverter is connected to a DC power source which meets the specifications listed in the product manual. This helps to prevent overloading and damage to the inverter, and ensures maximum efficiency and output.
3. Monitor For Fault Indicators: The SG20RT inverter features an LED display that provides real-time monitoring of its performance. It is important to regularly check this display for any error messages or fault indicators, as these can indicate potential issues that need to be addressed by a qualified technician.
4. Maintain A Clean Environment: To ensure optimal performance, keep the SG20RT inverter free from dust, debris and other contaminants that can interfere with its operation. Regularly clean the inverter and its surrounding area using a soft, lint-free cloth.
5. Comply With Safety Regulations: Always follow the relevant safety regulations when using the SG20RT inverter, and ensure that all wiring and connections are properly insulated and grounded. Additionally, ensure that the appropriate safety equipment is used during installation and maintenance, including protective gloves, goggles and footwear. By following these guidelines, you can ensure the safe and efficient operation of your SG20RT inverter, and maximize the benefits of renewable energy.
Brand Cooperation
Jingsun, a leading solar inverter manufacturer, has recently formed long-term partnerships with numerous top-tier inverter brands. This comes as no surprise, as Jingsun boasts a mature solar industry value chain that supports the development and production of high-quality solar inverters.
Jingsun's long-standing commitment to technology innovation and quality control has established it as a leading player in the solar inverter market. With a focus on customer-driven solutions, Jingsun continues to leverage its technological prowess to create products that best suit the needs of its customers.
FAQ
Q: What is the SUNGROW SG20RT grid-tie inverter used for?
Q: How efficient is the SUNGROW SG20RT inverter?
Q: What is the warranty on the SUNGROW SG20RT inverter?
Q: Is the SUNGROW SG20RT inverter easy to install?
Q: How does the SUNGROW SG20RT inverter contribute to a sustainable future?