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Hosola Sunrays ST25000TL ST28000TL ST30000TL
High yieldMax 98 0% efficiencyReal time precise MPPT algorithm for max harvestWide input voltage operation range
High yield All in one, flexible and economical system solution Low maintenance cost

Flexible and economical

Built-in PV Combiner (optional)
DC switch. AC switch (optional)
DC surge protection device (optional)
AC surge protection device (optional)
Power management unit
Optimum selection for large PV plants
commercial projects and so on


Max. efficiency 98.0%
Real time precise MPPT algorithm for max harvest
Wide input voltage operation range from 200V to 1000V

Intelligent grid management

LVRT support
Reactive power adjustable
Self power reduction at over frequency 
Remote active/reactive power limit control                      
 Low maintenance cost

Detachable cover for easy installation
Rusty-free aluminum covers
Flexible and mature monitoring solution
Multi-function relay can be configured to display inverter information


Hosola Sunrays Series ST25000TL/ST28000TL/ST30000TL

Type Hosola Sunrays ST25000TL Hosola Sunrays ST28000TL Hosola Sunrays ST30000TL
Input Data
Max. DC Input Power [W] 26500 30000 32000
Max. DC Input Voltage [Vdc] 1000 1000 1000
Rated Voltage[Vdc] 610 610 610
MPPT Voltage Range for Norminal Power [Vdc] 450-800 470-800 500-800
Max. Input Currency for MPPT [A] 32/32 32/32 32/32
No. of MPPT / Max. Number of PV Strings per MPPT 2/5 2/5 2/5
Output (AC)
Max. AC Output Power [KW] 25 28 30
Max. AC Output Apparent Power [KVA] 27.5 30.8 33
Rated AC Voltage [Vac] 3/N/PE/220/380 3/N/PE/220/380 3/N/PE/220/380
Grid Frequency [Hz] 50/60 50/60 50/60
Max. AC Output Currency [A] 42 47 50
Power Factor [cosφ] 0.9leading-0.9lagging 0.9leading-0.9lagging 0.9 leading...0.9 lagging
THD <3% <3% < 3%
Max. Efficiency 98.0% 98.0% 98.0%
Euro Efficiency 97.5% 97.5% 97.5%
MPPT Efficiency 99.9% 99.9% 99.9%
Safety and Protection
Overvoltage /Undervoltage Protection Integrated Integrated Integrated
Turn off/Turn on Voltage Setting Integrated Integrated Integrated
Dc Insulation Resistance Monitoring Integrated Integrated Integrated
Earth Fault Protection Integrated Integrated Integrated
Grid Monitoring Integrated Integrated Integrated
Earth Fault Current Monitoring Integrated Integrated Integrated
Dc Component Monitoring Integrated Integrated Integrated
General Data
Dimension(W/H/D) [mm] 580*800*200 580*800*200 580*800*200
Weight [kg] 60kg
Operating Temperature Range [°C] -25℃~+60℃
IP Protection Type(IEC-60529) IP65
Climatic Category(IEC 60721-3-4) 4K4H
Power consumption at night [W] <1W
Cooling Air cooling
LCD Display LCD
Relative Humidity Range 0-100% (Non-condensation)
Communication RS485/ Wifi(Optional)
Standard Warranty 5/10/20 Years( Free/Optional/Optional)

Contact Us
Suzhou Hosola New Energy Co.,Ltd.
Address: Rm.1-A1F,No.328 Xinghu Road,Suzhou Industrial Park,China,215 123
Phone: +86 0512 6281 5763
Fax: +86 0512 6281 5762-1888
E-mail: info@hosola.com
Hosola Sunrays4000/5000/6000/...
Hosola Sunrays ST25000TL ST28000TL ST30000TL
Hosola Sunrays ST10000TL/120...