Sungrow Multi-MPPT String Inverter for 1100 VDC System Sg33/50cx-P2 IP66 Three Phase Grid-Tie Solar Inverter
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Product Highlights
- High Efficiency Performance: Max efficiency reaches 98.5% with European efficiency at 98.3% for optimal energy yield.
- Multi-MPPT Technology: Features 4 independent MPPT trackers with 2 PV strings per tracker for flexible array design.
- Robust IP66 Protection: IP66 rated enclosure with smart forced air cooling ensures durability in harsh environments.
- Wide Voltage Range: Supports 1100V max PV input voltage and 150-850V MPPT range for versatile system compatibility.
- Advanced Safety Features: Includes AFCI, anti-PID, DC/AC surge protection, and leakage current protection for safety.
- Flexible Communication: Supports RS485, optional WLAN, and Ethernet for seamless BMS integration and monitoring.
- Global Certifications: CE, ISO9001, VDE, IEC certified, compliant with major international grid standards.
- Comprehensive Warranty: Provides 5 years standard warranty with optional 10-year extension for peace of mind.
Product Attributes
- After-sales Service
- Support
- Warranty
- 5 Years
- Nature of Source Flow
- Passive inverter
- Model NO.
- SG33/36/40/50CX-P2
- Phase
- Three
- Certification
- CE, ISO9001
- Type
- DC/AC Inverters
- Power Source
- Solar Power
- Nature of Wave String
- Sine Wave Inverter
- Weight
- 41kgs
- Certificate
- VDE,IEC,Cei 0 21,IEC/En 61000-6-1/2/3/4
- MPPT Voltage Arrange
- 150-850V
- Protection Degree
- IP66
- Cooling
- Smart Forced Air Cooling
- Communication with BMS
- RS485/WLAN/Ethernet
- Mounting Method
- Wall-Mounting Bracket
- No. of Independent Mpp Inputs
- 4
- No. of PV Strings Per MPPT
- 2
- Max. PV Input Voltage
- 1100V
- Max. PV Input Current
- 120A ( 30A * 4 )
- Max. DC Short-Circuit Current
- 160A ( 40A * 4 )
- Max. Current for DC Connector
- 30A
- Max. Efficiency / European Efficiency
- 98.5 % / 98.3 %
- Max. Operating Altitude
- 4000m
- Transport Package
- Wooden Box
- Specification
- 645*575*245mm
- Trademark
- Sungrow
- Origin
- China
- HS Code
- 8507600090
- Production Capacity
- 2000PCS Per Day
Product Images of Sungrow Multi-MPPT String Inverter for 1100 VDC System Sg33/50cx-P2 IP66 Three Phase Grid-Tie Solar Inverter
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Product Description



| Datasheet | SG36CX-P2 | SG40CX-P2 | SG50CX-P2 |
| Input data (DC) | |||
| Recommended max. PV input power | 50.4 kWp | 56 kWp | 70 kWp |
| Max. PV input voltage* | 1100 V | ||
| Min. PV input voltage / Startup input voltage | 160 V / 200 V | ||
| Rated PV input voltage | 600V | ||
| MPPT voltage range | 160 V - 1000 V | ||
| No. of MPP trackers | 4 | ||
| No. of PV strings per MPP tracker | 2 | ||
| Max. input current per MPP tracker | 120A(30A*4) | ||
| Max. current for DC connector | 30A | ||
| Max. short-circuit current per MPP tracker | 160A(40A*4) | ||
| Output data (AC) | |||
| AC nominal power | 36000W | 40000W | 50000W |
| Max. AC apparent power | 40000VA | 44000VA | 55000VA |
| Nominal AC voltage | 3/N/PE,220/380V,230/400V | ||
| AC voltage range | 312 V - 480 V | ||
| Rated AC output current( at 230V ) | 52.17 A | 58 A | 72.5 A |
| AC grid frequency(range*) | 45 Hz - 55 Hz / 55 Hz - 65 Hz | ||
| Max. output current | 60.2A | 66.9A | 83.6A |
| Power factor at rated power / Adjustable power factor | > 0.99 / 0.8 leading - 0.8 lagging | ||
| THDi | < 3 % ( at rated power ) | ||
| AC grid connection type | 3 / 3-N-PE | ||
| Efficiency | |||
| Max.efficiency | 98.50% | ||
| European efficiency | 98.30% | ||
| Protection devices | |||
| DC reverse polarity protection | Yes | ||
| Grid monitoring | Yes | ||
| Leakage current protection | Yes | ||
| DC switch | Yes | ||
| DC surge protection | DC Type I+II / AC Type II | ||
| Insulation resistance monitoring | Yes | ||
| AC short-circuit protection | Yes | ||
| Ground fault monitoring | Yes | ||
| String monitoring | Yes | ||
| Anti-PID function | Yes | ||
| Optimizer compatibility *** | Optional | ||
| Arc fault detection (AFCI) | Yes | ||
| General data | |||
| Dimensions (W / H / D) | 645 mm * 575 mm * 245 mm | ||
| Weight | 40kg | 41kg | |
| Operating temperature range | -30°C ... +60°C | ||
| Mounting method | Wall-mounting bracket | ||
| Night time power consumption | < 7W | ||
| Topology | Transformerless | ||
| Cooling | Smart forced air cooling | ||
| Protection degree | IP66 | ||
| Relative humidity | 0-100% | ||
| Altitude | 4000m | ||
| DC connection | Evo2 ( Max. 6 mm² ) | ||
| AC connection | OT terminal (16-35 mm²) | OT or DT terminal (35-50 mm²) | |
| Display | LED, Bluetooth+APP | ||
| Communication | RS485 / Optional: WLAN, Ethernet | ||
| Grid compliance | IEC 62109, IEC 61727, IEC 62116, VDE-AR-N 4105:2018, IEC 61000-6-3, EN 50549- 1, CEI 0-21 2019,CEI0-16 2019, VDE 0126-1-1/A1 VFR 2019, UTE C15-712-1:2013, UNE 206007-1/RD 1699, UNE 217002, G99, IEC 63027 |
||
| Grid support | Q at night function, LVRT, HVRT,active & reactive power control and power ramp rate control |
||
| Warranty: 5 years / 10 years | Yes /Optional | ||



Being deeply engaged in foreign trade for 39 years, AHTECH grows in step with the reform and opening up of China and the process of global economic integration. It has been mainly specializing in importing mechanical equipment, instruments and meters, metal minerals, agricultural, forest and food products, and new energy products, in a total of five categories. It also exports 10 categories of products, namely, ships and vessels; vehicles ;medical-care and epidemic prevention materials;electronic and home appliances and lighting products; machinery, metals, and building materials; textile and apparel; shoes, hats, suitcases and bags; consumer goods; office supplies and leisure goods; energy-related, chemical and food; Solar Panels and system. In addition, it is involved in overseas engineering projects. Thanks to its influential brands and large-scale business advantages in key commodity and regional markets, AHTECH has stood atop all the time in Anhui in terms of import and export volume.
Being a Grade-A rated tax credit enterprise honored by the State Taxation Administration, in the first category for export tax rebate, with an Authorized Economic Operator (AEO) certificate issued by the General Administration of Customs P.R.China and AAA-rated customer of China Export & Credit Insurance Corporation(Sinosure), the company has also made the sampling list of the Export Leading Indicator (ELI) in China. AHTECH has been elected vice president unit of China Chamber of Commerce for Import and Export of Machinery and Electronic Products (CCCME), China Chamber of Commerce for Import and Export of Light industrial Products and Arts-Crafts (CCCLA), and China Chamber of Commerce for Import and Export of Textile and Apparel (CCCT). It is also an executive director unit of China Chamber of Commerce for Metals, Minerals & Chemicals Importers & Exporters (CCCMC) and China Ropeway Association (CRA), and the president unit of Anhui Customs Declaration Association.
Q: What's your main products?
A: Solar Panels in different Tier 1 Brand; Solar Inverters ( On Grid / Off Grid / Hybrid ); Rack / Stack / Wall Mounted Lithium Batteries; Solar energy storage battery; ESS Stockage; Solar Energy System For Residential and Commercial Use;
Q: What's the delivery time?
A: Generally within 7-15 days, it will vary based on different products, pls kindly check with our customer service for details, we will arrange it for you as soon as possible;
Q: What kind of payment terms are acceptable?
A: We are flexible with payment conditions, it depends on you;
Q: If I have other questions, who should I ask?
A: You can contact us online and our sales will reply within 10 minutes;
Q: What are the advantages of your company?
A: We have our own factory and also have deep cooperation with other brands,such as Longi,JA solar,Jinko,Trina,Yingli, Deye, Growatt etc., to provide customers with better prices and more choices.

About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASI2491112". Items marked "" are certified.
Company Profile
Anhui Technology Import and Export Co Ltd (AHTECH) was founded in 1985, with its headquarters in Hefei, Anhui Province. In 2023, the company achieved a total import and export volume of US$2.0 billion and sales revenue of 15 billion yuan. It is a member enterprise of the Fortune Global 500 Anhui Conch Group. <br/><br/>Being deeply engaged in foreign trade for 39 years, AHTECH grows in step with the reform and opening up of China and the process of global economic integration. It has been mainly specializing in importing mechanical equipment, instruments and meters, metal minerals, agricultural, forest and food products, and new energy products, in a total of five categories. It also exports 10 categories of products, namely, ships and vessels; Vehicles; Medical-care and epidemic prevention materials; Electronic and home appliances and lighting products; Machinery, metals, and building materials; Textile and apparel; Shoes, hats, suitcases and bags; Consumer goods; Office supplies and leisure goods; Energy-related, chemical and food; Solar Panels and system. In addition, it is involved in overseas engineering projects. Thanks to its influential brands and large-scale business advantages in key commodity and regional markets, AHTECH has stood atop all the time in Anhui in terms of import and export volume. <br/><br/>Being A Grade-A rated tax credit enterprise honored by the State Taxation Administration, in the first category for export tax rebate, with an Authorized Economic Operator (AEO) certificate issued by the General Administration of Customs P. R. China and AAA-rated customer of China Export & Credit Insurance Corporation(Sinosure), the company has also made the sampling list of the Export Leading Indicator (ELI) in China. AHTECH has been elected vice president unit of China Chamber of Commerce for Import and Export of Machinery and Electronic Products (CCCME), China Chamber of Commerce for Import and Export of Light industrial Products and Arts-Crafts (CCCLA), and China Chamber of Commerce for Import and Export of Textile and Apparel (CCCT). It is also an executive director unit of China Chamber of Commerce for Metals, Minerals & Chemicals Importers & Exporters (CCCMC) and China Ropeway Association (CRA), and the president unit of Anhui Customs Declaration Association.
About Our Factory & Business Background
-
Business Type
- Trading Company
- Address
- No. 459 Changjiang West Road, 230031, Hefei, Anhui, China
-
Plant Area
- 11205 square meters
-
Number of Employees
- 411
-
Registered Capital
- 316,000,000 RMB
-
Terms of Payment
- T/T, LC, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Shanghai Port
-
Minimum Order Quantity
- 1 Piece
-
Supply Chain Partners
- 21
Our Production Capability & Technical Expertise
- Main Products
- Solar Panel, Solar Inverter, Lithium Batteries, Solar System, Solar Bracket, Solar Controller, Solar Cables, Mc4 Connector, EL Tester
-
Customization Options
- Customization from Designs
-
OEM Service Available
- Yes
-
R&D Engineers
- 1 people
Our Industry Experience & Global Business Record
-
Year of Establishment
- 1985-03-20
-
Export Year
- 39 Years
-
Main Markets
- South America
-
Number of Foreign Trading Staff
- 6
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- No
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO9001:2015
FAQ
- What is the maximum PV input voltage?
- The maximum PV input voltage is 1100V, with a rated input voltage of 600V and an MPPT voltage range of 160V-1000V.
- How many MPPT trackers does the inverter have?
- The inverter features 4 independent MPP trackers, with 2 PV strings per MPP tracker.
- What is the efficiency of the inverter?
- The max efficiency is 98.50%, and the European efficiency is 98.30%.
- What is the warranty period?
- The standard warranty is 5 years, with an optional 10-year warranty available.
- What communication interfaces are supported?
- Standard interface is RS485. Optional interfaces include WLAN and Ethernet for BMS communication.
- What is the protection degree of the inverter?
- The inverter has an IP66 protection degree, making it suitable for outdoor installation.
- What safety features are included?
- It includes DC reverse polarity protection, grid monitoring, leakage current protection, DC switch, surge protection, and Arc Fault Detection (AFCI).
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