Product Overview:
Commercial 3-P On-Grid Inverter Series
STT 29.9K/30K/33K/36K/40K/45KTL; STT 50K/60KTL-M;
Advantages:
High yield with Max. 98.6% efficiency
Longer working hours due to the lower start-up voltage and wider MPPT range
Up to 10% continuous output overloading capacity
Integrated lightning protection for both DC and AC
With a max input current of 40A, compatible with high-power panels
Support wireless and wired internet connection (RS485, WiFi/GPRS/LAN optional)
Fast and easy configuration via App or OLED display
Remote upgrading available
10 years standard warranty
Compliance: NB/T32004, IEC62109, IEC62116, VDE4105, VDE0126, UTE C15-712-1, AS4777, C10/11, CEI0-21, RD1699, NBR16149, IEC61727, IEC60068, IEC61683, EN50549, EN61000

Product Parameters:
Model |
STT-29.9KTL |
STT-30KTL |
STT-33KTL |
STT-36KTL |
STT-40KTL |
STT-45KTL |
STT-50KTL-M |
STT-60KTL-M |
Max. Input Power (W) |
47,840 |
48,000 |
52,800 |
57,600 |
64,000 |
72,000 |
80,000 |
96,000 |
Start-up Voltage (V) |
180 |
180 |
180 |
180 |
180 |
180 |
180 |
180 |
Max. DC Input Voltage (V) |
1,100 |
1,100 |
1,100 |
1,100 |
1,100 |
1,100 |
1,100 |
1,100 |
Rated DC Input Voltage (V) |
620 |
620 |
620 |
620 |
620 |
620 |
620 |
620 |
MPPT Voltage Range (V) |
180-1000 |
180-1000 |
180-1000 |
180-1000 |
180-1000 |
180-1000 |
180-1000 |
180-1000 |
No. of MPP Trackers |
4 |
4 |
4 |
4 |
4 |
4 |
4 |
4 |
No. of DC Inputs per MPPT |
2 |
2 |
2 |
2 |
2 |
2 |
2 |
2 |
Max. Input Current (A) |
26/26/26/26 |
26/26/26/26 |
26/26/26/26 |
26/26/26/26 |
26/26/26/26 |
26/26/26/26 |
26/26/26/26 |
26/26/26/26 |
Max. Short-circuit Current (A) |
40/40/40/40 |
40/40/40/40 |
40/40/40/40 |
40/40/40/40 |
40/40/40/40 |
40/40/40/40 |
40/40/40/40 |
40/40/40/40 |
Output |
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Rated Output Power (W) |
29,900 |
30,000 |
33,000 |
36,000 |
40,000 |
45,000 |
50,000 |
60,000 |
Max. Output Power (W) |
29,900 |
33,000 |
36,300 |
39,600 |
44,000 |
49,500 |
55,000 |
66,000 |
AC output rated apparent power(VA) |
29,900 |
30,000 |
33,000 |
36,000 |
40,000 |
45,000 |
50,000 |
60,000 |
Max. Apparent Power (VA) |
29,900 |
33,000 |
36,300 |
39,600 |
44,000 |
49,500 |
55,000 |
66,000 |
Rated Output Voltage (V) |
3 L/ N / PE,380 / 400V |
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Rated AC Frequency (Hz) |
50/60 |
50/60 |
50/60 |
50/60 |
50/60 |
50/60 |
50/60 |
50/60 |
AC output rated current(A) |
43.3 |
43.5 |
47.8 |
52.2 |
58.0 |
65.2 |
72.5 |
87.0 |
Max. Output Current (A) |
43.3 |
47.8 |
52.6 |
57.4 |
63.8 |
71.7 |
79.7 |
95.7 |
Power Factor |
0.8 leading …0.8 lagging |
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Max. total harmonic distortion |
<3% @Rated Output Power |
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DCI |
<0.5%In |
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Efficiency |
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Max. Efficiency |
98.8% |
98.8% |
98.8% |
98.8% |
98.8% |
98.8% |
98.8% |
98.8% |
European Efficiency |
98.3% |
98.3% |
98.3% |
98.3% |
98.3% |
98.3% |
98.3% |
98.3% |
MPPT Efficiency |
99.9% |
99.9% |
99.9% |
99.9% |
99.9% |
99.9% |
99.9% |
99.9% |
Protection |
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DC Reverse Polarity Protection |
Integrated |
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Insulation Resistance Protection |
Integrated |
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DC Switch |
Integrated |
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Surge Protection |
Integrated |
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Over-temperature Protection |
Integrated |
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Residual Current Protection |
Integrated |
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Islanding protection |
Frequency shift, Integrated |
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AC Short-circuit Protection |
Integrated |
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AC Over-voltage Protection |
Integrated |
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General Data |
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Dimensions (mm) |
600W*400H*270D |
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Weight (KG) |
42 |
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Protection Degree |
IP66 |
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Self-consumption at Night (W) |
<1 |
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Topology |
Transformerless |
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Operating Temperature Range (° C) |
-30~60 |
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Relative Humidity (%) |
0~100 |
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Operating Altitude (m) |
4000 (derating@ > 3000) |
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Cooling |
Smart Fan Coolling |
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Display |
OLED & LED |
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Communication |
RS485/WiFi/ GPRS/LAN(Optional) |
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Compliance |
NB/T32004、IEC62109、IEC62116、VDE4105、VDE0126、UTE C15-712-1、AS4777、C10/11、 CEI0-21、RD1699、NBR16149、IEC61727、IEC60068、IEC61683、EN50549、EN61000 |
FAQ
What is a 50KW On Grid Solar Inverter?
A: A 50KW On Grid Solar Inverter is a type of inverter that converts the DC power generated by solar panels into AC power, which can be used to power household or commercial appliances and fed back into the electrical grid.
What are the benefits of using a 50KW On Grid Solar Inverter?
A: Some of the benefits of using a 50KW On Grid Solar Inverter include reducing your dependence on the grid, saving money on electricity bills, and reducing your carbon footprint by using renewable energy.
How does a 50KW On Grid Solar Inverter work?
A: A 50KW On Grid Solar Inverter works by converting the DC power generated by solar panels into AC power that is compatible with the electrical grid. It also monitors the output of the solar panels and adjusts its output to match the changing electrical needs of the household or commercial building.
Is a 50KW On Grid Solar Inverter compatible with all types of solar panels?
A: No, not all solar panels are compatible with a 50KW On Grid Solar Inverter. It is important to choose solar panels that are compatible with the inverter to ensure maximum efficiency and performance.
Can a 50KW On Grid Solar Inverter be used off grid?
A: No, a 50KW On Grid Solar Inverter is designed to work only with an electrical grid connection. If you want to use solar power off-grid, you will need a different type of inverter and a battery storage system.
What is the lifespan of a 50KW On Grid Solar Inverter?
A: The lifespan of a 50KW On Grid Solar Inverter can vary depending on the quality of the inverter and how well it is maintained. However, most high-quality inverters can last up to 20 years or more.
What is the maintenance required for a 50KW On Grid Solar Inverter?
A: The maintenance required for a 50KW On Grid Solar Inverter is minimal. Regular cleaning of the solar panels and ensuring proper ventilation around the inverter are important. It is also recommended to have the inverter inspected by a professional every few years to ensure it is functioning optimally.
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