Solectria PVI-20TL 20kW 3-phase Transformerless Inverter, 480Vac

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Solectria Renewables
PVI 20kW 3-Phase Transformerless Inverter

Solectria Renewables’ PVI 14TL, PVI 20TL, PVI 23TL, and PVI 28TL are compact, transformerless three-phase inverters with dual MPP tracker. These inverters come standard with AC and DC disconnect, user-interactive LCD, 8-fuse string combiner. The small and lightweight design make for quick and easy installation and maintenance. These inverters include an enhanced DSP control, comprehensive protection functions, and advanced thermal design enabling highest reliability and uptime. They also come with a standard 10 year warranty with options for 15 and 20 years.


  • Three-phase transformerless inverters - offered in a lightweight, compact design
  • Dual MPPT tracking zones - allows for flexible design with 2 strings of different number of modules
  • Quick and easy installation - in a wall mount configuration
  • Wide MPPT range
  • Modbus communications
  • Integrated DC fused string combiner
  • DC arc-fault protection
  • User-interactive LCD
  • Best-in-class efficiency
  • 600 or 1000 VDC
  • Standard 10 Year Warranty with options for 15 and 20 years


  • Web-based monitoring
Absolute Maximum Open Circuit Voltage 600 VDC 1000 VDC
Operating Voltage Range 180-580 VDC 260-580 VDC 300-900 VDC
MPPT Input Voltage Range 300-540 VDC 300-550 VDC 480-800 VDC 500-800 VDC
MPPT Trackers 2 with 4-fused inputs per tracker
Maximum Operating Input Current 25A per MPPT (50A) 35A per MPPT (70A) 25A per MPPT (50A) 29A per MPPT (58A)
Maximum PV Power (per MPPT) 9.5 kW 13.5 kW 15.5 kW 19 kW
Strike Voltage 300V 330V
Nominal Output Voltage 208 VAC, 3-Ph 480 VAC, 3-Ph 480 VAC, 3-Ph
AC Voltage Range (Standard) -12%/+10%
Continuous Output Power 14 kW 20 kW 23 kW 28 kW
Continuous Output Current 39 A 27. 3 A 32 A 40 A
Maximum Backfeed Current 0 A
Nominal Output Frequency 60 Hz
Output Frequency Range 59.3-60.5 Hz (adjustable 55-65 Hz
Power Factor Unity, >0.99
Total Harmonic Distortion <3%
Integrated String Combiner Options PVI 14TL PVI 20TL PVI 23TL PVI 28TL
8 Fused Positions (4 positions per MPPT) 15 A (fuse by-pass available)
Monitoring Options PVI 14TL PVI 20TL PVI 23TL PVI 28TL
Web-based Monitoring (Inverter Direct) SolrenView
Revenue Grade Monitoring External
External Communication Interface RS485 Modbus RTU
Physical Specifications PVI 14TL PVI 20TL PVI 23TL PVI 28TL
AC/DC Disconnects Standard, fully-integrated
Dimensions (H x W x D) 41.6 x 21.4 x 8.5 in. (1057 x 543 x 216 mm) 39.4 x 23.6 x 9.1 in. (600 x 1000 x 230 mm)
Weight 141 lbs (64 kg) 132 lbs (60 kg) 122 lbs (55 kg)
Enclosure Rating NEMA 4
Enclosure Finish Polyester powder coated steel and aluminum
Warranty PVI 14TL PVI 20TL PVI 23TL PVI 28TL
Standard 10 year
Optional 15, 20 year; extended service agreement
Efficiency PVI 14TL PVI 20TL PVI 23TL PVI 28TL
Peak Efficiency 96.9% 97.4% 98.6% 98.5%
CEC Efficiency 96.0% 97.0% 98.0%
Tare Loss 4 W 2 W 1 W
Testing & Certifications PVI 14TL PVI 20TL PVI 23TL PVI 28TL
Safety Listings & Certifications UL 1741/IEEE 1547, IEEE 1547.1, CSA C22.2#107.1, FCC part 15 B
Testing Agency ETL CSA

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