Solis three phase series inverters are suitable for difference PV projects with three phase input, which are also perfect models for household, industrial and commercial, as well as small & medium size distributed PV system installations. IP65 designed make it visually pleasing for domestic environment; Over 98% Max. efficiency and featuring with dual MPPT design and precise MPPT algorithm, and numerous monitoring option via RS485, WIFI and GPRS interface. All these features has ensure stable and reliable operation of Solis three phase series invertes.

Utilising the latest production technologies and sourcing components from world recognised sources the Solis inverter has a track record of reliability, efficiency and competitive pricing – three attributes that all customers look for in an inverter.

Over 97.5% max. efficiency and a compact and light design the Solis 3 phase range is a great value solution for all commercial PV installations.


Model Solis-15K
Energy source PV
Input Side(DC)
Max. DC input power 16.5kw
Max. DC input voltage 1000V
Start-up voltage(V) 250V
MPPT voltage range 200-800V
Max. input current 18A+18A
MPPT number/Max. input strings number 2/4
Output Side(AC)
Rated output power 15kW
Max. apparent output power 15kVA
Max. output power 15kW
Rated grid voltage 400V
Grid voltage range 313~470V
Rated grid frequency 50/60Hz
Operating phase Three
Rated grid output current 21.7A
Max. output current 25A
Power Factor (at rated output power) 0.8…1…0.8
THDi (at rated output power) <3%
DC injection current <50mA
Grid frequency range 47-52Hz or 57-62Hz
Max. efficiency 98.3%
EU efficiency 97.5%
MPPT efficiency >99.5%
DC reverse-polarity protection Yes
Short circuit protection Yes
Output over current protection Yes
Output over voltage protection Yes
Insulation resistance monitoring Yes
Residual current detection Yes
Surge protection Yes
Islanding protection Yes
Temperature protection Yes
Integrated DC switch Optional
General Data
Dimensions 430W*613H*269D(mm)
Weight 30kg
Topology Transformerless
Self consumption <1w(night)
Operating ambient temperature range -25℃~60℃
Ingress protection IP65
Noise emission(typical) <30 dBA
Cooling concept Natural convection
Max. operating altitude 4000m
Designed lifetime >20 years
Grid connection standard EN50438 G59/3 AS4777 VDE0126-1-1 IEC61727
Relative humidity 0~100%
Safety/EMC standard EN61000-6-1; EN61000-6-3

IEC62109-1/-2; AS3100

DC connection MC-4mateable
AC connection IP67 rated plug
Display LCD 2×20 Z.
Communication connections 4 pins RS485 connector
Warranty 5 years standard (extend to 20 years)