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50kW Pure Sine Wave Off Grid Solar Inverter

Reasonable price three phase 4 wire 50Hz/ 60Hz low frequency off grid inverter without battery bank, two kinds of start mode: Step-down voltage start and variable frequency start. 50kW pure sine wave inverter, wide DC input voltage range to 220V/ 380V/ 480V AC using in solar power system.
SKU: ATO-OGI-50kW
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Delivery date: 6-12 days
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$18,801.54
Products specifications

DC to AC solar power inverter is 50000 watt high power, no battery storage system, pure sine wave AC output, wide input voltage can be set according to customers' requirement. Powerful protection fuctions make its service life up to 15-20 years or more.

Pure Sine Wave Off Grid Solar Inverter Features

  • Two kinds of start mode: Step-down voltage start and variable frequency start. Customers can set start mode according to the type of their load.
  • The output voltage can be set between -40 % to +20 % of rated voltage. And the output voltage is very accuracy ±1%.
  • Pure sine wave output. With good dynamic response less than 50MS, waveform distortion rate smaller, higher conversion efficiency and stable output voltage.
  • Adopts black pure aluminum radiator, which confirms the best radiating performance.
  • Powerful data display function. LCD can display the DC input voltage, output frequency, phase voltage, phase current, AC bypass input voltage, output power KWH, time and date, temperature, fault code display.
  • Wide input voltage can work without battery and solar charge controller, save more cost and with MPPT wide voltage input function, maximum use of solar power.

50kW Pure Sine Wave Off Grid Solar Inverter Parameter List

Model ATO-OGI-50kW
Size (D*W*H) 750*750*1480mm
Weight 450kg
Certificate CE, UL, SA, SAA, VDE
Warranty period 12 months
AC Input Rated voltage AC input voltage is the same value as the AC output
DC Input Rated voltage 240V/ 300V/ 360V/ 480V DC (can be customized)
Rated current 139A @360V DC
AC Output Rated output power 50kW
Output waveform Pure sine wave
Rated voltage 208V/ 220V/ 230V/ 240V/ 380V/ 400V/ 415V/ 460V/ 480V (optional)
Phase 3 phase 4 wire+PE wire (single phase/ split phase can be customized, please contact us by email)
Rated phase current 76A @380V AC
Frequency 50Hz or 60Hz
Power factor >0.99
Overload ability 150%, 5 seconds
Efficiency >93%
Waveform distortion rate THD<3%
Dynamic response (0 to 100% load) 5%, ≤50ms
Display LCD
Running mode Working continously
Electrical insulation properties 2000Vac, 1min
Communication interface RS485 (optional)
Protection Function Protection Input reverse polarity, under voltage, over-voltage, output over-current, short circuit, overheating
Colling method Fan-cooled
Short-circuit protection No automatic recovery, need to restart the machine
Working Environment Noise (1 meter) ≤50dB
Degree of protection IP20 (indoor)
Working altitude ≤2000m
Working temperature -25~+55℃
Relative humidty 0~90%, non-condensing
Note The above parameters are for reference only, can be customized according to customer's requirement!

Tips: PV solar inverters must be placed in an air-circulated space

For every 10 °C increase in ambient temperature, the life of the electronic device is halved. For the long-term exposure of this type of PV solar inverter in the hot sun, the internal temperature of the inverter will increase greatly, seriously affecting the life of the key components of the inverter. In order to protect the internal components, the inverter will derate the operation. Even if the temperature is too high, the soalr inverter temperature will be faulty. It is recommended to add a sunshade to the PV inverter to avoid sun exposure.

When installing outdoors, the PV soalr inverter should be equipped with a rain-proof sun protection awning to avoid direct sunlight and rain. Do not expose the inverter directly to the sun or other heat sources. Leave enough space for it to be installed and moved to the inverter. A minimum of 50cm of space is required around the inverter that enters and exits the wind. The soalr inverter that enters and exits the wind from the left and right is the air entering from the side, and the space distance of more than 100cm is left on both sides.

The PV soalr inverter must be placed in a space where air is circulated. The cooling method of a power inverter is divided into forced air cooling and natural heat dissipation. The power inverter itself is a heat source. All the heat should be emitted in time and cannot be placed in a closed Space, otherwise the temperature will rise higher and higher.

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