SPI 3-6K-B2

Single-phase On-grid String Inverter


SPI 3-6K-B2

High Efficiency

■ High-efficiency inverter topology ensures annual power 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
■ Aluminum alloy die-casting integrated chassis, ensure 25 years full life circle running

Intelligent Management

■ Intelligent cloud platform monitoring, realizing one-key APP real-time monitoring
■ Support RS485, GPRS, WIFI and other communication methods

Green Saving

■ Small size, easy to install and use
■ Natural cooling, ensuring low environmental noise
■ Super-wide operating temperature range, adapt to extremely cold, high temperature areas

DC Input
Max. PV input voltage600Vdc
Rated input voltage360Vdc
Max. PV input current22A
No. of MPPTs2
No.of PV strings per MPPT1/1
MPPT voltage range100Vdc~550Vdc
Starting voltage120Vdc
AC Output
Rated AC output power3.0kW3.6kW4.0kW4.6kW5.0kW6.0kW
Max. output power3.3kW3.96kW4.4kW5.06kW5.5kW6.0kW
Rated AC output voltage220V/230Vac
Rated output current13.0A15.7A17.4A20.0A21.7A26.0A
Max. output current14.3A17.2 A19.1A22.0 A23.9 A26.0 A
Rated grid frequency50/60Hz
Grid frequency range45~55Hz/55~65Hz
Power factor>0.99 full load
Adjustable power factor0.8(leading)~0.8(lagging)
THDI<3% (nominal power)
Max. efficiency98.10%98.30%
European efficiency97.70%97.90%
DC reversed connectionYes
AC short circuit protectionYes
Temperature protectionYes
Surge protectionYes
PV fault detectYes
DC switchYes
Dimensions (W×H×D)360×420×125mm
IP gradeIP65
Noise level≤25 dB
Self-consumption at night<1W
Cooling typeNatural cooling
Altitude4000m (>2000m derating)
Operating temperature-40ºC~60ºC (>45ºC derating)
Operating humidity0~100%
CommunicationRS485/WiFi (optional)/GPRS (optional)/DRM (Australia)
DC terminalH4 Terminal
AC terminalPlug and play connector
Installation methodWall-mounted
 StandardNB/T32004,-2018, EN62109-1, EN62109-2,   AS/NZS4777.2:2015, EN 61000-6-2, EN 61000-6-3, IEC 62116:2014,IEC   61727:2004,IEC 60068-2-1:2007,IEC   60068-2-2:2007, IEC60068-2-14:2009

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