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3-phases PV solar inverter 20kW (400V/50Hz)

The ABB TRIO 20.0 and 27.6 kW three-phases PV inverters fills specific niche in the commercial PV market. This new 3-phase inverter benefits from the newest PV inverter technology, perfected already in previus series PVI-10.0 and 12.5, probably the world-wide most common used three-phases inverters which has led in best-in-class efficiency. 

Controlling more PV panels than its smaller predecessor, the TRIO-20.0 and TRIO-27.6 offers more flexibility and control to installers who have large installations with varying aspects or orientations. TRIO inverters have two independent MPPT and efficiency of up to 98.3%. The very wide input voltage range makes the inverters suitable to installations with reduced PV string size. 

Besides the new look, the TRIO inverter has new features including a special built-in heat sink compartment and front panel display system. This PV inverters are free of electrolytic capacitors, resulting in an longer product lifetime.

Available versions (this model):

ABB TRIO 20.0-TL-OUTD (basic version)

ABB TRIO 20.0-TL-OUTD-S2 (with DC switch)

ABB TRIO 20.0-TL-OUTD-S2F (with DC switch and string fuses)

ABB TRIO 20.0-TL-OUTD-S2X (with DC switch, string fuses and surge arrester)





 ABB TRIO 20.0/27.6-TL-OUTD (S2/S2F/S2X) - Datasheet

 ABB TRIO 20.0/27.6-TL-OUTD (S2/S2F/S2X) - Instruction manual for the installer

 ABB TRIO 20.0/27.6-TL-OUTD (S2/S2F/S2X) - Declaration of CE conformity


 ABB TRIO 20.0/27.6-TL-OUTD (S2/S2F/S2X) - Declaration of inverter certification TUV-Rheinland

 ABB TRIO 20.0/27.6-TL-OUTD (S2/S2F/S2X) - Declaration Ammonia test resistance TUV-Rheinland

 ABB TRIO 20.0/27.6-TL-OUTD (S2/S2F/S2X) - Declaration of conformity to ENEL - TUV-Rheinland

 ABB TRIO 20.0/27.6-TL-OUTD (S2/S2F/S2X) - Supplementary ground connection of inverter metal chassis

 ABB TRIO 20.0/27.6-TL-OUTD (S2/S2F/S2X) - Resetting the "Grid Standard" setting lock

 ABB TRIO 20.0/27.6-TL-OUTD (S2/S2F/S2X) - Grid parallel operation (Aurora string inverters)

 ABB TRIO 20.0/27.6-TL-OUTD (S2/S2F/S2X) - Anti-islanding protection description

 ABB TRIO 20.0/27.6-TL-OUTD (S2/S2F/S2X) - "Aurora Communicator" user manual

Technical Data

PV Inverter ABB TRIO-20.0-TL-OUTD (S2/S2F/S2X)
Number of Independent MPPT 2
AC Rated Power 20.000 W
AC System Voltage 400V
DC Maximum Input Voltage 1000V (Absolute Maximum)
DC Start-Up Input Voltage 360V (adjustable range 250-500V)
DC Operating Input Voltage 0.7 x V (start) up to 950V
DC Rated Input Power 20.750 W
DC Maximum Input Power 12.000 W (each MPPT)
DC Input Voltage Range 440-800V (each MPPT)
DC Maximum Input Current 50A (25A each MPPT)
DC Max Input Isc 30A (each MPPT)
DC Connection Type Tool Free PV Connector WM / MC4
AC Grid Connection Type Three Phases
AC Rated Power 20.000 W
AC Maximum Output Power 22.000 W
AC Rated Grid Voltage 400V
AC Voltage Range 320-480V (depending on country grid standard)
AC Rated Output Frequency 50 Hz (adjustable range 47-53 Hz)
AC Maximum Output Current 33A
AC Maximum Overcurrent Protection 34A
Maximum Efficiency (ηmax) 98.2%
Weighted Efficiency (EURO) 98.0%
Stand-by Consumption <8W
User Interface Graphic LCD Display
Relative Humidity 0-100% condensing
Max Operating Altitude 2000m / 6560ft (above this level derating)
Protection Class IP65 (Outdoor)
Isolation Level Transformerless
Cooling Natural
Dimensions 1061x702x292mm, 70 kg
Warranty 5 Years

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