SPI 12-20K-B

Three-phase On-grid String Inverter


SPI 12-20K-B

Efficient and Flexible

■ 2 independent MPPT, more generation
■ Advanced control algorithms and high adaptation ability to the grid, improving the stability of power generation system

Safe and Reliable

■ IP65 for outdoor application
■ Integrated AC/DC full lightning protection
■ All industrial grade electronic device, ensure 25 years full life circle running

Intelligent Management

■ I&V Intelligent diagnosis, accurate identification and positioning of abnormal PV panels
■ Support RS485, Wifi, GPRS communication
■ Remote online upgrade, convenient and efficient

Grid Friendly

■ Grid-connected current harmonics <3%, green adapts to grid
■ Ultra wide grid voltage range

DC Input
Max. PV input voltage1000Vdc
Rated PV voltage600Vdc
Max. PV input current44A44A44A44A
No. of MPPTs2222
No.of PV strings per MPPT2/22/22/22/2
MPPT voltage range200Vdc~950Vdc
Starting voltage200Vdc
AC Output
Rated AC output power12kW15kW17kW20kW
Max. output power13.2kW16.5kW18.7kW22kW
Rated AC output voltage380/400/415Vac
Rated output current17.4A21.7A24.6A29.0A
Max. output current19.1A23.9A27.1A31.9A
Rated grid frequency50Hz/60Hz
Grid frequency range45~55Hz/55~65Hz
Power factor>0.99 (full load)
Adjustable power   factor0.8   (leading)~0.8 (lagging)
THDi<3% (rated power)
Max. efficiency98.50%98.60%
European efficiency98.00%98.30%
DC reversed   connectionYes
AC short circuit protectionYes
Temperature protectionYes
Surge protectionYes
PV fault detectYes
DC switchYes
Dimensions (W×H×D)480×420×180mm
IP gradeIP65
Noise level<50dB
Self-consumption at night<1W
Cooling typeIntelligent forced air   cooling
Altitude4000m (>3000m derating)
Operating   temperature-25ºC~60ºC (>45ºC   derating)
Relative   humidity0~100%
CommunicationRS485/WiFi (optional)/GPRS   (optional)/DRM (Australia)
DC terminalH4 Terminal
AC terminalOT Terminal
Installation   methodWall-mounted
 StandardEN62109-1, EN62109-2,   AS/NZS4777.2: 2015, EN 61000-6-2, EN 61000-6-3, IEC62116:2014, IEC 61727:   2004, IEC 60068-2-1:2007, IEC 60068-2-2: 2007, IEC60068-2-14:2009,   IEC61683 (ed.1)

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