| Customization: | Available |
|---|---|
| After-sales Service: | Yes |
| Warranty: | 5 Years |
|
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Datasheet
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WIT 28K-HU-US L2
|
WIT 35K-HU-US L2
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WIT 40K-HU-US L2
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WIT 55K-HU-US L2
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Input Data (PV)
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||||
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Max. recommended PV power(for module STC)
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54kW
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75.6kW
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86.4kW
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108kW
|
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Start voltage
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195V
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|||
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Max. input voltage
|
630V
|
|||
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MPPT nominal voltage/range
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360V, 180V-550V
|
|||
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Max. input current per MPP tracker
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32A
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Max. short-circuit current per MPP tracker
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40A
|
|||
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No. of PV strings per MPP tracker
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2
|
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No. of MPP trackers
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5
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7
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8
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10
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Output Data (AC)
|
||||
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AC nominal power
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28kW/30.8kVA
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35kW/38.5kVA
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40kW/44kVA
|
55kW/60.5kVA
|
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Nominal AC voltage/range
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208V/220V, -15%~10%
|
|||
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AC grid frequency/range
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50/60Hz , 45-55Hz/55-65Hz
|
|||
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Max. output current
|
85.6A@208V 80.8A@220V
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106.9A@208V 101A@220V
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122.2A@208V 115.5A@220V
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168.1A@208V 158.8A@220V
|
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Adjustable power factor
|
-1…+1
|
|||
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THDi
|
<3%
|
|||
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AC grid connection type*
|
3P3W+PE/3P4W+PE
|
|||
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Input Data (AC)
|
||||
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AC nominal power
|
56kW
|
70kW
|
80kW
|
110kW
|
|
Max. AC apparent powe
|
56kVA
|
70kVA
|
80kVA
|
110kVA
|
|
Nominal AC voltage/range
|
208V/220V, -15%~10%
|
|||
|
Nominal AC grid frequency/range
|
50/60Hz , 45-55Hz/55-65Hz
|
|||
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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
|
|
Backup Power (AC power)
|
|
|
|
|
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AC nominal power/Max. AC apparent power
|
28kW/33.6kVA
|
35kW/42kVA
|
40kW/48kVA
|
55kW/66kVA
|
|
Max. single phase power
|
9.3kW
|
11.6kW
|
13.3kW
|
18.3kW
|
|
Nominal AC voltage
|
120V/127V(L-N), 208V/220V (L-L)
|
|
|
|
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Nominal AC frequency
|
50/60Hz
|
|
|
|
|
Max. output current
|
93.3A@208V 88.2A@220V
|
116.7A@208V 110A@220V
|
133.3A@208V 126A@220V
|
183.3A@208V 173.2A@220V
|
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Overload capability
|
≤110%: Continues ; 110%~120%: 120%: 200ms
|
|
|
|
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Load unbalance
|
100%
|
|
|
|
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THDv
|
<3%
|
|
|
|
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On/off grid transfer time
|
≤16.6ms
|
|
|
|
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Battery Data (DC)
|
||||
|
Battery voltage range*
|
380V-650V , recommended @ 512V
|
|||
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Max charging and discharging current
|
79A
|
99A
|
113A
|
156A
|
|
Continuous charging / discharging power
|
31.7kW
|
39.7kW
|
45.3kW
|
62.3kW
|
|
BMS communication
|
RS485/CAN
|
|||
|
Types of battery
|
Lithium
|
|||
|
Efficiency
|
||||
|
Max. efficiency
|
98.2%
|
|||
|
Protection Devices
|
||||
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DC reverse polarity protection
|
Yes
|
|||
|
Battery reverse protection
|
Yes
|
|||
|
AC/DC surge protection
|
Type II
|
|||
|
Insulation resistance monitoring
|
Yes
|
|||
|
Ground fault monitoring
|
Yes
|
|||
|
Grid monitoring
|
Yes
|
|||
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Residual-current monitoring unit
|
Yes
|
|||
|
AC short-circuit protection
|
Yes
|
|||
|
Strings monitoring
|
Yes
|
|||
|
Anti-islanding protection
|
Yes
|
|||
|
PID protection
|
Yes
|
|||
|
AFCI function
|
Opt
|
|||
|
General
|
||||
|
Dimensions (W/H/D)
|
33.5/53.1/20.1inch (850/1350/510mm)
|
|||
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Weight
|
337.3 lbs (153kg)
|
352.7 lbs (160kg)
|
||
|
Operating temperature range
|
-22°F~+140°F, >122°F derating
|
|||
|
Relative humidity
|
0~100%
|
|||
|
Altitude
|
≤13123ft(4000m)
|
|||
|
Topology
|
Transformerless
|
|||
|
Cooling
|
Smart air cooling
|
|||
|
Enclosure
|
IP66/NEMA 4X
|
|||
|
Display
|
OLED+LED/WIFI+APP
|
|||
|
Interfaces: RS485/CAN
|
Yes
|
|||
|
Interfaces: WIFI/4G/LAN
|
Opt
|
|||
|
Warranty (5/10 years)
|
Yes/Opt
|
|||
At DAH solar, our mission is to drive the global transition to renewable energy by providing state-of-the-art energy storage solutions that optimize solar energy storage. We aim to make clean energy accessible, affordable, and reliable for everyone, contributing to a greener and more sustainable future.
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