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REFUSOL 20K-2T

REFUSOL 20K-2T
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REFUSOL 20K-2T

Product catalog summary
Overview: The REFUsol 20K-2T inverter is designed for flexibility in commercial and industrial photovoltaic (PV) systems. It features two Maximum Power Point (MPP) trackers, allowing for varied system designs with different orientations and tilts. Its lightweight and compact design enhances installation flexibility for both rooftop and ground-mounted systems. The inverter is compatible with legacy REFUsol inverters and suitable for repowering applications.
Specifications:
  • DC Data: Max recommended PV power is 30 kWp, with a max input voltage of 1,100 V and a rated input voltage of 650 V. It supports an operating input voltage range of 140 - 1000 V and a rated power MPPT voltage range of 480 - 850 V. It includes two independent MPPTs and two DC inputs, with a max current per MPPT of 26 A.
  • AC Data: The rated power is 20 kW, with a max AC power of 22 kVA. It supports nominal grid voltages of 220/380 V and 230/400 V, and a nominal grid frequency of 50/60 Hz. The max output current is 31.9 A, with a total harmonic distortion of less than 3%.
  • General Data: The inverter operates in ambient temperatures from -30 to +60°C, with derating above 45°C. It is transformerless, with an IP65 protection rating, and can operate at altitudes up to 4000 meters. It weighs 22 kg and includes a cooling fan.
  • Performance: The inverter boasts a max efficiency of 98.6%, with a weighted efficiency of 98.2% (EU/CEC) and an MPPT efficiency greater than 99.9%.
Features: The inverter includes integrated DC switches and safety protections such as anti-islanding, DC reverse polarity, and overtemperature protection. It supports string monitoring for each MPPT and offers optional Ethernet and WiFi communication.
Certifications: The inverter complies with various international standards, including EN 61000, IEC 62109, and VDE certifications, ensuring safety and reliability.
Warranty: A 5-year warranty is provided, with free access to the REFUlog portal for remote monitoring and updates during this period.
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Catalog excerpts

REFUSOL 20K-2T-1

REFUSOL 20K-2T New flexibility meets compatibility SUITABLE FOR REPOWERING APPLICATIONS Lightweight design C ompatible with legacy REFUsol inverters The completely new REFUsol inverter is developed for a maximum of flexibility in commercial and industrial PV systems. With two MPP trackers, each system design can be realized, including different orientations and tilts. Compact dimensions paired with a high power density per weight gives more installation location flexibility – on the rooftop or on ground mounted systems. It fits to any mid-size project. Each inverter can be individually connected to the REFUlog portal for remote monitoring, configuration and updates. Portal comes for free with each inverter during the warranty period of 5 years. For easy integration into a local network, an Ethernet or WiFi stick is avail

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REFUSOL 20K-2T-2

TECHNICAL DATA REFU 20K-2T 853P020.200 DC DATA Max. recommended PV power (kWp) Rated input voltage (V) Start-up input voltage (V) Operating input voltage range (V) Rated power MPPT voltage range (V) Number of independent MPPT Number of DC inputs Max. current per MPPT (A) Max. short circuit current (A) Max. power per MPPT input (kW) DC connection AC DATA Rated power (kW) Max. AC power (kVA) Nominal grid voltage (V) Nominal grid frequency (Hz) Max. output current (A) Total harmonic distortion (THDi) (%) Adjustable power factor range AC connection PERFORMANCE Max. efficiency (%) Weighted efficiency...

 Open the catalog to page 2

All REFU Elektronik GmbH catalogs and technical brochures

  1. REFUsol 100K
    REFUsol 100K

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  2. REFUsol 50K-3T
    REFUsol 50K-3T

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  3. REFUsol 20K…33K-2T
    REFUsol 20K…33K-2T

    4  Pages

  4. General Terms and Conditions (GTC) for the Supply of Goods and Services (Export)
    General Terms and Conditions (GTC) for the Supply of Goods and Services (Export)

    4  Pages

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.
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