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Nanjing KingSun Solar Technology Co., Ltd.

Solar Inverters, Solar Energy, on Grid Inverter manufacturer / supplier in China, offering Igh Quality Powerful User-Friendly PV on Grid Inverters, Four Folding Portable Solar Panels (KS80W-4F), High Efficient Solar Monocrystalline Panel (KSM 165W) and so on.

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Supplier Homepage Product Inverter Igh Quality Powerful User-Friendly PV on Grid Inverters

Igh Quality Powerful User-Friendly PV on Grid Inverters

FOB Price: US $20,480 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $20,480/ Piece
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Transport Package: Honeycomb Box with Pallet or Wooden Box
Payment Terms: L/C, T/T, D/P, Western Union

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Basic Info
  • Model NO.: KSI-250KW
  • Type: DC/AC Inverters
  • Output Power: 201 - 300W
  • Nature of Source Flow: Active Inverter
  • Certification: CE, ROHS, UL, ISO9001
  • Delivery Date: 7 Days
  • Specification: CE
  • HS Code: 8504403090
  • Phase: Three
  • Power Source: Solar Power
  • Nature of Wave String: Sine Wave Inverter
  • Application: Electric Tools
  • Brand: Kingsun
  • Trademark: KingSun
  • Origin: Nanjing, China
Product Description
TypeKSI-250KW
IsolationLow frequency transformer isolation 
Max. DC input power275KWp
Max. DC input voltage900Vdc
Max.PV voltage range(MPPT)450Vdc~820Vdc 
Recommended number of PV module voltage@stringAbout35V@17string
Battery board Joint typeconnection terminal
Max. Input current       600A     
Nominal AC output power250KW
THD of AC current<2.5%(nominal power)
Power factor>0.99
Max. Efficiency97.3%
Euro efficiency   96.7%
Permitted voltage range 310Vac~450Vac
Permitted frequency range47.5Hz~51.5Hz
Internal power consumption an night<100W
Automatically put into
 operation conditions
When the DC input and power grids meet to the requirements, the inverters automated operation
Automatic restart time5min(time adjustable)
ProtectionPossess the protecting function of polarity connecting contrary, short circuit, island effects, over heat,over land 
Comm. interfacesRS485/RS232/GPRS/Ethernet
Operating Temp.-20°C~+55°C
Relative humidity0~95%,no condensing
Altitude(m)≤2000meters(Over 2000 meters to reduce the using amount)
Cooling methodControlled forced-air cool
Noise≤60dB
Protection degreeIP20(indoor)
Size(W*L*H mm)2000*800*2060
Weight(kg)1700


KSI-250KW PV on-grid Technical Features:
1.Adopt USA TI company control DSP chip.
2.MPPT(Maximum Power Point Tracking)Technology.MTTP efficiency>99%
3.With a manually input DC breaking switch,manually breaking switch from AC power grid .
4.With advanced anti-island inspection scheme and perfect monitoring function.
5.With overload,short circuit,abnormal grid protection,and alarm functions.
6.Wide input DC range.
7.User-friendly operation interface,English menu,can display the operation data,real-time 
fault data,historical fault data,and the status of equipment.
8. Provide including RS485/RS232 or Ethernet remote communication interface.RS485 follow the Modbus communication protocol;Ethernet interface support TCP/IP protocol,support to 
obtain dynamic(DHCP) or static IP address.
9With isolation transformer, much more safe and less THD.


Why choosing KINGSUN
1) Excellent quality, competitive price, prompts delivery, on-time service and good reputation.
2) Fast sample delivery
3) Low minimum order
 4) Fast shipment in 15~20 days on receipt of your payment.
5) We handle all the components needed for utility-connected systems, or for powering independent homes and remote industrial sites.
6) We offer knowledgeable tech support before and after the sale.
7) We manufacture the complete line of solar modules ranging from 3w to 300w with CEC, TUV, and CE approval, offering the full spectrum sizes,solar panels  are as efficient as other competitors, but far cheaper-without skimping on quality. 
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Mr. Aiwah Tsou
Sales Director
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