High-Capacity Commercial Inverter for Industrial Energy Systems

Sungrow SG33CX-P2 – 33kW Three-Phase Commercial Inverter

The Sungrow SG33CX-P2 is a powerful, durable, and high-efficiency 33kW three-phase inverter designed for commercial and industrial energy applications. With 4 MPPT trackers, advanced protection features, smart monitoring, and exceptional efficiency, it delivers maximum output and long-term reliability in demanding environments.

Sungrow SG33CX

Overview

The SG33CX-P2 is a top-performing commercial-grade inverter engineered for large-scale energy systems requiring stable, high-output power conversion.
Its four MPPTs, wide DC input range, robust construction, and advanced grid support capabilities make it suitable for factories, commercial buildings, agricultural sites, and industrial applications.

Featuring intelligent IV curve scanning, smart monitoring, surge protection, and a rugged IP66 enclosure, the SG33CX-P2 delivers superior long-term performance with minimal maintenance.

Key Highlights:

  • Four independent MPPT trackers (maximum design flexibility)
  • High input current for modern large PV modules
  • 98.5% max efficiency
  • IP66 protection & C5 corrosion resistance
  • Intelligent IV curve diagnosis
  • String-level monitoring
  • Type II SPD (DC & AC)
  • 24/7 remote monitoring via iSolarCloud

🔋 Electrical Data (DC Input)

FeatureSpecification
Max. DC Input Voltage1100 V
Start-up Voltage200 V
Nominal DC Input Voltage600 V
MPPT Operating Voltage Range200 V – 1000 V
Number of MPPTs4
Strings per MPPT4 × 2
Max. PV Input Current per MPPT26 A
Max. PV Short-Circuit Current per MPPT40 A
Max. Input Current per String13 A
Total Input Current104 A

⚡ AC Output (Grid Side)

FeatureSpecification
Rated AC Output Power33000 W
Max. AC Output Apparent Power36300 VA
Rated Grid Voltage3/N/PE, 220 / 380 V
Rated Grid Frequency50 Hz / 60 Hz
Grid Frequency Range45–55 Hz / 55–65 Hz
Max. Output Current55.2 A
Total Harmonic Distortion (THD)< 3%
Power Factor (adjustable)0.8 leading … 0.8 lagging

🌞 Efficiency

FeatureSpecification
Max. Efficiency98.5%
European Efficiency98.0%
MPPT Efficiency99.9%

🛡️ Protection & Safety

FeatureSpecification
DC Reverse Polarity ProtectionYes
AC Short-Circuit ProtectionYes
Overvoltage ProtectionDC Type II / AC Type II
Ground Fault ProtectionYes
Arc Fault Circuit Interrupter (AFCI)Yes
Overcurrent / Overload ProtectionYes
Anti-Islanding ProtectionYes
Overtemperature ProtectionYes
String FusesOptional
DC SwitchIntegrated

🌡️ Operating Conditions

FeatureSpecification
Operating Temperature Range–25°C to +60°C (derating above 45°C)
Max. Operating Altitude4000m
Humidity0–100% RH (non-condensing)
Cooling MethodSmart forced-air cooling
Environmental ProtectionIP66
Corrosion ProtectionC5 (high corrosion resistance)

📦 Mechanical Data

FeatureSpecification
Dimensions (W × H × D)480 × 590 × 200 mm
Weight27 kg
Mounting MethodWall-mounted / bracket mounted
Display / InterfaceLED indicators + iSolarCloud monitoring

🔌 Communication & Interfaces

FeatureSpecification
Standard CommunicationRS485
Optional CommunicationWiFi, Ethernet, 4G
Protocol SupportSungrow protocol
Monitoring PlatformiSolarCloud
I/O SupportMultiple DI/DO ports

📜 Certifications & Standards

FeatureSpecification
Safety StandardsIEC 62109-1 / IEC 62109-2
Grid StandardsIEC 61727, IEC 62116, EN 50549, VDE-AR-N-4105
EMC StandardsIEC 61000-6-1 / IEC 61000-6-3

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
Commercial-Grade Power for Industrial Applications

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We specialize in supplying Sungrow’s high-performance commercial inverters to installers, distributors, and businesses across Pakistan. Contact us for bulk pricing, availability, and technical support.

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