AC/DC Built-in Controller Solar Power System Inverter
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AC/DC Built-in Controller Solar Power System Inverter

NKG Series Three Phase Solar Inverter:
  We are a high-tech enterprise producing off-grid inverters, solar controllers, integrated inverters, photovoltaic combiner boxes and other photovoltaic products.
  NKG series inverter is a pure sine wave AC output, Battery-protected data settings with password protection.Output overload protection, a variety of automatic protection and alarm functions. There are (10KW/15KW/20KW/30KW/40KW) to choose from. In stock, support
wholesale and customization.
Battery Type:
Output wave:
Input frequency:
Packge size:
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  • NKG-20KW



Rated Power 10KW 15KW 20KW 30KW 40KW
Battery Rated Voltage 192VDC/220VDC/384VDC 384VDC
Voltage of over discharge protection 172VDC/194VDC/345VDC 345VDC
Controller Rated current 10A
Rated voltage 192VDC/220VDC/384VDC 384VDC
Number of charge accesses 4
Maximum current of each access 25A
Solar panel voltage <330VDC/<378VDC/<660VDC <660VDC
voltage of overcharge protection 222VDC/255VDC/445VDC(programmable) 445VDC(programmable)
Control accuracy ±0.1
Display accuracy ±0.1
Efficiency >90%
Inverter Input voltage 176-264VAC/304-456VAC
Input frequency 45-65Hz
Output voltage 220VAC/380VAC(three-phase four-wire)
Output frequency 50/60Hz
Output waveform Pure sine wave, THD<4%(full load)
Protection function Output short circuit protection, overvoltage protection, undervoltage protection, low battery protection, etc.
Manual power-on/off Manual power-on/off preferred
Automatic power-on/off Light-operated power-on + fixed-time power-off(programmable)
Switching time 3s-5s
Other Ambient temperature for operation 0-40℃
Relative humidity for operation/storage 20-90%(no condensation, maximum)
External dimensions
Packing dimensions

Product Description

  • The product is an intelligent inverter with built-in charge controller designed for large

    photovoltaic power generations.

  • Its built-in controlier can realize charge management for a battery pack by multiple solar arrays

    to improve charge efficiency and lite of the battery pack.

  • Thanks to the DSP control basek on SPWM high-frequency carier technology and IGBT power

    device, it can control the output operation parameters accurately to provide a high quality and

    reiable pure sine wave AC power supply for precision equipment.

  • It is widely applied to large solar power generation occasions inaluding families, schools, public

    lighting, industrial and mining enterprises, frontier defense, sea islands,pasturingareas, ete.





Q1: What is your minimum quanlity order?

A: One set.

Q2: Are you trading company or manufacturer ?

A:We are a manufacturer in China. We have own factory in Foshan.

Q3: What is your term of payment?

A: 30% TT for deposit, balance before the shipping.

Q4: Can you accept the Alibaba trade insurance oder?

A:Yes, of course. We are happy to use Trade insurance to confirm the order on Alibaba.

Q5:Can you supply the sample?

A: Yes. we can supply the sample order for testing .

Q6: When you can delivery the goods?

A: Sample order 3-5 days ,mass order usually 15-25 days according to the quantity.

Q7: Is this instalation easy?

A: Yes , We will provide install drawing and user manual ,and you can make a video call to get technical support.

Q8: Can you customized it for us?

A: Yes ,we can customize the logo ,color ,size ...



    Off Grid Solar Products
    We have an excellent technical team, which can be designed according to customers requirements.
    Add: Hongke Buildng, Industry Development New Zone, Xiadong Economic Union Community, Xiadong Sanzhouweizai, Pingzhou, Guicheng Street, Foshan, Guangdong, CN
    Tel: +86 18039293535
    WhatsApp / Phone: +8618039293535