High-Power, High-Efficiency Inverter for Advanced Energy Systems

Sungrow SG20RT-P2 – 20kW Three-Phase Inverter

The Sungrow SG20RT-P2 is a robust 20kW three-phase inverter engineered for large residential and commercial energy solutions. With superior efficiency, advanced MPPT optimization, comprehensive protection features, and user-friendly monitoring, it ensures reliable and efficient energy conversion.

Sungrow SG20RT

Overview

The SG20RT-P2 is part of Sungrow’s premium line of high-performance string inverters designed for long-term durability and maximum energy yield.
It features a dual-MPPT design, high DC input capability, and advanced protection technology such as AFCI, surge protection, and real-time grid monitoring.

Built for demanding environments and heavy-duty installations, this inverter provides stable performance, quiet operation, and seamless grid interaction — ideal for residential villas, small businesses, industries, and hybrid energy setups.

Key Highlights:

  • High efficiency with wide MPPT range
  • Dual MPPT for flexible DC string configuration
  • Full protection suite including AFCI, SPD Type II, reverse polarity
  • Natural cooling for quiet performance
  • IP65 weatherproof design
  • Smart monitoring via iSolarCloud
  • Wide operating temperature range

🔋 Electrical Data (DC Input)

FeatureSpecification
Max. DC Input Power26000 W
Max. DC Input Voltage1100 V
Nominal DC Input Voltage600 V
MPPT Operating Voltage Range160 V – 1000 V
Start-up Voltage180 V
Number of MPPTs2
Strings per MPPT1 + 1
Max. Input Current (per MPPT)16 A
Max. Short-Circuit Current (per MPPT)25 A
Max. Total DC Input Current32 A (16 A + 16 A)

⚡ AC Output (Grid Side)

FeatureSpecification
Rated AC Output Power20000 W
Max. AC Output Apparent Power22000 VA
Rated Grid Voltage3/N/PE, 220 / 380 V
Rated AC Grid Frequency50 Hz / 60 Hz
Grid Frequency Range45–55 Hz / 55–65 Hz
Max. Output Current30.6 A
Total Harmonic Distortion (THD)< 3%
Power Factor (adjustable)0.8 leading … 0.8 lagging

🌞 Efficiency

FeatureSpecification
Max. Efficiency98.7%
European Efficiency98.3%
MPPT Efficiency99.7%

🛡️ Protection & Safety

FeatureSpecification
DC Reverse Polarity ProtectionYes
AC Short-Circuit ProtectionYes
Overcurrent ProtectionYes
Arc Fault Circuit Interrupter (AFCI)Yes
Surge ProtectionDC Type II / AC Type II SPD
Ground Fault MonitoringYes
Anti-Islanding ProtectionYes
Over-Temperature ProtectionYes
Integrated DC SwitchYes

🌡️ Operating Conditions

FeatureSpecification
Operating Temperature Range–25°C to +60°C (derating above 45°C)
Max. Operating Altitude4000m
Cooling MethodNatural cooling
IP RatingIP65
Humidity Range0–100% (non-condensing)

📦 Mechanical Data

FeatureSpecification
Dimensions (W × H × D)460 × 550 × 220 mm
Weight25 kg
Mounting MethodWall-mounted
DisplayLED indicators + Mobile App monitoring

🔌 Communication & Interfaces

FeatureSpecification
Standard CommunicationRS485
Optional CommunicationWiFi, Ethernet, 4G
Monitoring PlatformiSolarCloud
ProtocolsSungrow proprietary protocol

📜 Safety, Standards & Certifications

FeatureSpecification
Safety StandardsIEC 62109-1, IEC 62109-2
Grid StandardsIEC 61727, VDE-AR-N-4105, IEC 62116, AS/NZS 4777
EMC ComplianceIEC 61000 series

Technical Documents & Installation Guides

Access complete technical details and resources for installation, configuration, and product specifications.

008-datasheet

Product Data Sheet

Ideal for engineers, dealers, and system designers to compare key parameters.

Download PDF

brochure

Product Catalogue

A simplified reference sheet for fast on-site setup.

Download PDF

003-document

User Manual

Includes safety instructions and troubleshooting procedures for daily use.

Download PDF

⚡ Powering Pakistan with Smarter Energy Solutions 🔋 Hybrid Inverters • On-Grid Inverters • Lithium Batteries • VFDs 📦 Premium Energy Accessories • DC Cables • Solar Panels 🌍 Reliable Products for Homes, Businesses & Industries
⚡ Powering Pakistan with Smarter Energy Solutions 🔋 Hybrid Inverters • On-Grid Inverters • Lithium Batteries • VFDs 📦 Premium Energy Accessories • DC Cables • Solar Panels 🌍 Reliable Products for Homes, Businesses & Industries
High-Power Performance for Demanding Projects

Request Wholesale Pricing for SG20RT-P2

We provide competitive wholesale pricing and dealer support for Sungrow’s high-capacity inverters. Contact us for availability, pricing, and technical integration assistance.

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