Solis 50 KTL On Grid Inverter

Solis 50 KTL On Grid Inverter

This three phase output inverter’s slim and lightweight design allows a two person install with ease. The inverter is aesthetically pleasing and is suitable for commercial environments. It has over 98% max. efficiency. The inverter is IP65 protected alongside several other protection functions. The input voltage range is widespread as well as having quad MPPT design with precise MMPT algorithm. WiFi and GPRS are optional interfaces which can be purchased separately and retrofitted at any time. A WiFi and monitoring app is available to allow the user to monitor their system remotely. This inverter comes with a 5 year warranty as standard but can be easily upgraded to 10 or 20 years at a low cost.

• Three phase output
• Max. efficiency 99%, EU efficiency 98.5%
• High precise, high speed MPPT algorithm
• Four MPPT input, each rated current is 28.5A, compatible with high power module.
• Compact and light design for two-person easy installation
• IP65 rated and visually pleasing
• THDi <3%, low harmonic distortion against grid
• Anti-resonance, single transformer can connect 6M+ in parallel
• Perfect commercial site monitoring solution
• Intelligent redundant fan-cooling


Built-in DC Isolator Yes
Communication Optional
Country of Manufacture China
Dimensions (mm) 630 x 700 x 357
Inverter Power Rating 41kW+
Inverter Type String Inverter
Power (Watts) 50000
SKU Solis-50K-DC
Standard Warranty 5 years
Weight 63 Kg

Model Solis-50K
Energy Source PV


Input Side(DC)
Max. DC input power(kW) 55
Max. DC input voltage(V) 1100
Start-up voltage(V) 200
MPPT voltage range(V) 200-1000
Max. input current(A) 28.5A+28.5A+28.5A+28.5A
MPPT number/Max input strings number 4/12


Output Side (AC)
Rated output power(kW) 50
Max. apparent output power(kVA) 50
Max. output power(kW) 50
Rated grid voltage(V) 400
Grid voltage range(V) 304-460
Rated grid frequency(Hz) 50/60
Operation phase Three
Rated grid output current(A) 72.2
Max. output current(A) 83.3
Power Factor (at rated output power) 0.8…1…0.8
THDi (at rated output power) <3%
DC injection current(mA) <50
Grid frequency range(Hz) 47-52 or 57-62




Max.efficiency 98.8%
EU efficiency 98.4%/98.4%
MPPTefficiency 99.9%


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
Dimensins(mm) 630W*700H*357D (mm)
Weight(kg) 63
Topology Transformerless
Self consumption (night) <1W(Night)
Operating ambient temperature range -25~60℃
Ingress protection IP65
Noise emission{typical} <60 dBA
Cooling concept Intelligent redundant fan-cooling
Max.operation altitude 4000m
Designed lifetime >20years
Grid connection standard EN50438 G59/3 AS4777 VDE0126-1-1 IEC61727
Relative humidity 0~100%
Safty/EMC standard IEC62109-1/-2 AS3100 EN61000-6-1 EN61000-6-3


DC connection MC-4mateable
AC connection OT Terminal connectors
Display LCD2×20 Z.
Communication connections 4 pins RS485 connector 2 RJ45 connector 2 group of terminal block
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