Customization: | Available |
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After-sales Service: | Yes |
Warranty: | 10 Years |
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Leading Functions
1:Built-in UPS and black start
2:100% unbalanced output
3:110% continuous AC overloading
4:Type II SPD on the DC and AC side
High Yields
1:Multiple MPPTs input
2:DC/AC Ratio up to 2.0
3:Max. efficiency up to 98%
System Flexibility
1:Scalable up to 165kW
2:Support lithium and lead-acid battery
3:Remote control of DG
Datasheet | WIT 28K-HU-US L2 | WIT 35K-HU-US L2 | WIT 40K-HU-US L2 | WIT 55K-HU-US L2 | |
Input Data(PV) | |||||
Max recommended PV power (for module STC) |
54kW | 75.6kW | 86.4kW | 108kW | |
Start voltage | 195V | ||||
Max inputvoltage | 800V | ||||
MPPT nominal voltage/range | 360V,180V-550V | ||||
Max.input current perMPP tracker | 32A | ||||
Max short-circuit current per MPPtracker | 40A | ||||
No.of PV strings per MPP tracker | 2 | ||||
No.of MPP trackers | 5 | 7 | 8 | 10 | |
Output Data(AC) | |||||
AC nominalpower/max.AC apparent power | 28kW/30.8kVA | 35kW/38.5kVA | 40kW/44kVA | 55kW/60.5kVA | |
Nominal AC voltage/range | 208V220V,-15%~10% | ||||
AC grid frequency/range | 60Hz,55-65Hz | ||||
Max output current | 85.6A@208V 80.8A@220V |
106.9A@208V 101A@220V |
1222A@208V 115.5A@220V |
168.1A@208V 158.8A@220V |
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Adjustable power factor | -1...+1 | ||||
THDi | <3% 3P3W+PE/3P4W+PE |
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AC grid conneciontype | |||||
Input Data(AC) | |||||
AC nominal power | 56kW | 70kW | 80kW | 110kW | |
Max.AC apparentpower | 56kVA | 70KVA | 80kVA | 110kVA | |
Nominal AC voltage/range | 208W220V,-15%~10% | ||||
Nominal AC grid frequencyrange | 60Hz,55-65Hz | ||||
Nominal input current | 155.6A@208V 147A@220V |
94.4A@208V 83.7A@220V |
222.2A@208V 210A@220V |
305.6A@208V 288.7A@220V |
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Max.input current | 155.6A@208V 147A@220V |
194.4A@208V 183.7A@220V |
222.2A@208V 210A@220V |
305.6A@208V 288.7A@220V |
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Backup Power(AC power) | |||||
AC nominal power/Max.AC apparent power | 28kW/33.6kVA | 35kW/42kVA | 40kW/48kVA | 55kW/66kVA | |
Max.single phase power | 9.3kW | 116kW | 13.3kW | 18.3kW | |
Nominal ACvoltage | 120V127V(L-N),208V/220V(L-L) | ||||
Nominal ACfrequency | 60Hz | ||||
Max.output current Overload capability |
93.3A@208V 88.2A@220V |
116.7A@208V 110A@220V ≤110%:Continues;110%~1 |
133.3A@208V 126A@220V 20%:10min;>120%:200ms |
183.3A@208V 173.2A@220V |
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Load unbalance | 100% | ||||
THDV | <3% | ||||
On/off grid transfer time | ≤16.6ms | ||||
Battery Data(DC) | |||||
Battery voltage range | 380V-650V,recommended @512V | ||||
Max.charging/discharging current | 79A 99A 113A | 156A | |||
Continuous charging/discharging power | 31.7kW 39.7kW | 453kW | 62.3kW | ||
BMS communication | RS485/CAN | ||||
Types of battery | Lithium | ||||
Efficiency | |||||
Max effidency | 98.2% | ||||
Protection Devices | |||||
PV reverse polarity protection | Yes | ||||
Battery reverse protection | Yes | ||||
AC/DC surge protection | |||||
Insulation resistance monitoring | Typell Yes |
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Ground fault monitoring | Yes | ||||
Grid monitoring | Yes | ||||
Residual-current monitoring unit | Yes | ||||
AC short-circuitprotection | Yes | ||||
String monitoring | Yes | ||||
Anti-islanding protection | Yes | ||||
PIDprotection | Yes | ||||
AFCl function | Opt | ||||
General | |||||
Dimensions(WH/D) | 33.5/53.1/20.1inch(850/1350/510mm) | ||||
Weight | 153kg/337.31bs | 160kg/352.7Ibs | |||
Operating temperature range | -22°F~+140°F,>122°F derating | ||||
Altitude | 13123ft(4000m) | ||||
Topology | Transformerless | ||||
Cooling | Smartair cooling | ||||
Enclosure | IP66/NEMA4X | ||||
Display | OLED+LED/WFI+APP | ||||
Interfaces:RS485/CAN | Yes | ||||
Interfaces:WiFi//4GLAN | Opt | ||||
Warranty.5/10 years | Yes/Opt | ||||
UL17412021,UL1741SASB2020,EE15472018,EEE154712020,HECORule14,E-5000,CSIP,SA17-SA18,UL19982018,CEC,FCCPart 15,CSAC2221071 |
SHANGHAI STIN ENERGY TECHNOLOGY CO., LTD. was established as one branch of STIN HOLDINGS and targeted on being a Total Solution Company which is based on clean sustainable solar energy. We are focusing on product development, production, system integration, sales and service. Products include solar panel, Turn-key completed on-grid, off grid and hybrid solar systems, solar inverter, solar air conditioner, solar charge controllers and lithium-ion battery, etc. We aim to develop, manufacture, and deliver the most reliable and cost-effective solar energy solutions to every corner in the world.We have excellent cooperation team, committed to product design and development, quality control and inspection and company operation.
STIN knows the importance of green energy.
STIN endeavors to protect the precious value.
FAQ
1: What's your main products?
Solar panel mono and poly, solar battery gel and lithium-ion, solar system on grid and off grid, solar inverter on grid and off grid, solar charge controller MPPT and PWM.
2:What is your advantage in solar products?
We have been in the solar industry for more than 10 years and accumulated rich experience. With branches in Japan, Korea, Singapore and Cambodia, full support can be supplied from design to installation.
3: Can you send free samples?
It depends on which kind of products. Normally the sample fee will be returned after you place massive order.
4: What's the shipping cost?
After you confirm the quantity, please let us know which kind of transportation(by sea, by air, by DHL or Fedex or TNT or UPS) you prefer and the destination port. We will send you the shipping cost and time.
5: What's your minimum order quantity?
1pc.
6: How can we send the payment?
T/T, L/C, Paypal, Western Union.