Grid-tied Inverter Sungrow 20 kW | SG20RT

(Multi-MPPT String Inverter for 1000Vdc System) Brand new, 100% genuine, with competitive prices for distributors, contractors…

New Feature: The integrated AFCI (Arc Fault Circuit Interrupter) function is capable of detecting arcs more accurately and eliminating faults faster. The direct I-V curve scanning feature aids in diagnosing the system’s condition.

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Power 20 kW
Efficiency 98.5% with 2 independent MPPTs and 4 separate inputs
Application Residential homes, commercial buildings, offices…
Design Solid cast aluminum alloy housing, dual-layer powder coating, lightweight at only 21 kg.
Protection Standards Dust and water resistance: IP65; Corrosion resistance: C5

Surge protection: Type II SPD for both DC and AC sides.

Meets global grid safety standards.

Monitoring & Control Utilize the exclusive Isolarcloud software for monitoring and control, integrated for free on smartphones and laptops…
Connectivity RS485 (Logger 1000), Bluetooth, WLAN, Ethernet, DI, DO
Warranty Genuine 5-year warranty at Sungrow service center with lifelong technical support provided by XBSolar.

Thông tin bổ sung

Hotline / Zalo: 08.9811.0068

PRODUCT INFORMATION

Grid-tied Inverter Sungrow 20 kW | SG20RT

Officially distributed by XBSolar Corporation, the String Inverter line features 2 independent MPPTs with a maximum efficiency of up to 98.5%, compatible with various types of solar panels (mono, poly, bifacial, and thin-film technologies). With a range of outstanding features, users can experience seamless operations and maintenance through the Isolarcloud platform or web-based options.

  • The solid aluminum alloy casing design with a lightweight of only 21 kg facilitates easy installation. Integrated MC4 connectors reduce installation time and labor. All Sungrow solar inverters are designed with separate boards for easy replacement and maintenance over time.
  • The integrated software allows users to monitor intelligent current across each string, scan and diagnose online through the IV curve and voltage curve. Based on advanced system and diagnosis, it accurately locates abnormal PV positions. Remote data upgrading facilitates convenient operation and maintenance (O&M).
  • The integrated Recovery PID function addresses the effects of Potential-Induced Degradation (PID) on the system. PID is a complex process with multiple influencing factors. It leads to a decline in performance not only of individual PV panels but also of entire strings containing affected panels. The system’s power output can decrease by up to 90% over time due to PID. The Recovery PID feature is designed to rectify degraded PV panels, potentially increasing system productivity by up to 10%.
  • With IP65 protection for the inverter, IP68 for the cooling fan, and corrosion resistance rated at C5, Sungrow 20kW grid-tied inverter is highly resilient to harsh environments, making it suitable for various installation scenarios, including coastal areas in Vietnam.
  • The integrated Arc Fault Circuit Interrupter (AFCI) function is capable of more accurately detecting arc faults and eliminating errors more quickly, ensuring safety for your solar power system.

Grid safety:

Sungrow 20kW grid-tied inverter integrates protective features such as reverse polarity protection for DC, AC short circuit protection, and ground fault protection, along with surge protection rated at level II for both DC and AC. It complies with safety grid standards and fully adheres to EN 61000-6-1/-3, IEC62109-2, IEC 61727, IEC 62116, AS/NZS 4777.2:2015, VDE-AR-N-4105, DIN VDE0126-1-1, CEI 0-21, EN50549-1.

Specifications:

Circuit Diagram Power Efficiency Curve
Model SG20RT
Input (DC)

Maximum PV input power (recommended) 30 kW
Maximum PV input voltage

1.100 V

Minimum PV input voltage / Startup voltage

180 V

Rated PV input voltage

600 V

MPPT voltage range

160 V – 1.000 V

Number of independent MPPT inputs

2

Maximum number of PV strings per MPPT

2 / 2

Maximum DC input current

50 A (25 A / 25 A)

Maximum DC short circuit current

64 A (32 A / 32 A)

Output (AC)

Rated AC power (@230V, 50 Hz) 20 kW
Maximum AC output power

22 kVA

Maximum AC output current

31,9 A

Rated AC voltage

3 / N / PE, 220 / 380 V

3 / N / PE, 230 / 400 V

3 / N / PE, 240 / 415 V

AC voltage range

180 V – 276 V

Grid frequency rating / Frequency range

50 Hz / 45 – 55 Hz, 60 Hz / 55 – 65 Hz

Total harmonic distortion (THD)

< 3 % (at rated power)

Power factor at rated power / Power factor adjustment

> 0,99 / 0,8 leading phase – 0,8 lagging phase

Number of input phases / Number of output phases

3 / 3

Efficiency

Maximum efficiency / European standard efficiency

98,5% / 98,1%

Protection features
Grid monitoring Yes
Reverse polarity DC connection protection

Yes

AC short-circuit protection

Yes

Ground fault protection

Yes

DC switch / AC switch

Yes/ Yes

Arc Fault Circuit Interrupter (AFCI)

Yes

PID recovery function

Yes

Overvoltage protection

DC Class II / AC Class II

General information
Dimensions (Width * Height * Depth) 370 * 480 * 195 mm
Mounting method Wall mounting brackets
Weight 21 kg
Isolation method Transformerless
Protection level IP65
Operating temperature range -25℃ to 60℃
Allowed relative humidity range (non-condensing) 0 – 100 %
Cooling method Intelligent air cooling
Maximum operating altitude 4.000 m (> 2.000 m reduces power)
Normal noise 45dB(A)
Display LED
Communication WLAN, Ethernet, RS485, DI, DO
DC connection type MC4
AC connection type Plug and play
Certifications EN 61000-6-1/-3, IEC62109-2, IEC 61727, IEC 62116, AS/NZS 4777.2:2015,  VDE-AR-N-4105, DIN VDE0126-1-1, CEI 0-21, EN50549-1
Supplier and warranty provider in Vietnam XBSolar – Sungrow Service Center

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