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| Warranty: | 5 / 10 Years |
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Datasheet
|
WIT 28K-HU-US L2
|
WIT 35K-HU-US L2
|
WIT 40K-HU-US L2
|
WIT 55K-HU-US L2
|
|
Input Data (PV)
|
||||
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Max. recommended PV power(for module STC)
|
54kW
|
75.6kW
|
156kW
|
108kW
|
|
Start voltage
|
195V
|
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Max. open circuit voltage of PV
|
630V
|
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MPPT nominal voltage/range
|
360V, 180V-550V
|
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Max. input current per MPP tracker
|
32A
|
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Max. short-circuit current per MPP tracker
|
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
|
8
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10
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Output Data (AC)
|
||||
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AC nominal power
|
28kW
|
35kW
|
40kW
|
55kW
|
|
Max. AC apparent power
|
28kW/30.8kVA
|
35kW/38.5kVA
|
40kW/44kVA
|
55kW/60.5kVA
|
|
Nominal AC voltage/range
|
208V/220V, -15%~10%
|
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AC grid frequency/range
|
60Hz, 55-65Hz
|
|||
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Max. output current
|
85.6A@208V
|
106.9A@208V
|
122.2A@208V
|
168.1A@208V
|
|
Adjustable power factor
|
-1…+1
|
|||
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THDi
|
<3% (@100% load)
|
|||
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AC grid connection type*2
|
3P3W+PE/3P4W+PE
|
|||
|
Input Data (AC)
|
||||
|
AC nominal power
|
56kW
|
70kW
|
80kW
|
110kW
|
|
Max. AC apparent power
|
56kVA
|
70kVA
|
80kVA
|
110kVA
|
|
Nominal AC voltage/range
|
208V/220V, -15%~10%
|
|||
|
Nominal AC grid frequency/range
|
50/60Hz , 45-55Hz/55-65Hz
|
|||
|
Max. input current
|
155.6A
|
194.4A
|
222.2A
|
305.6A
|
|
Battery Data (DC)
|
||||
|
Max. charging / discharging current
|
79A
|
99A
|
113A
|
156A
|
|
Battery voltage range
|
380V-650V , recommended @ 512V
|
|||
|
Continuous charging / discharging power
|
31.7kW
|
39.7kW
|
45.3kW
|
62.3kW
|
|
BMS communication
|
RS485/CAN
|
|||
|
Types of battery
|
Li-ion
|
|||
|
Backup Power (AC)
|
||||
|
Rated AC output power
|
28kW
|
35kW
|
40kW
|
55kW
|
|
Max. single phase power
|
9.3kW
|
11.6kW
|
13.3kW
|
18.3kW
|
|
Nominal AC voltage
|
120V/127V(L-N), 208V/220V (L-L)
|
|||
|
Nominal AC output frequency
|
50/60Hz
|
|||
|
Max. output current
|
3P3W+PE/3P4W+PE
|
|||
|
Max. output current
|
93.3A
|
116.7A
|
133.3A
|
183.3A
|
|
THDv
|
<3% (Linear load)
|
|||
|
Load unbalance
|
100% three-phase unbalanced
|
|||
|
Overload capacity
|
≤110%: Continues; 110%~<120%: <10min; >120%: 200ms
|
|||
|
On/off grid transfer time
|
≤16.6ms
|
|||
|
Efficiency
|
||||
|
Max. efficiency
|
98.2%
|
|||
|
Protection Devices
|
||||
|
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
|
|||
|
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)
|
|||
|
Weight
|
153kg/337.3Ibs
|
160kg/352.7Ibs
|
||
|
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
|
|||
|
UL1741:2021, UL1741 SA/SB:2020, IEEE1547:2018, IEEE1547.1:2020, HECO Rule14, E-5000, CSIP, SA17-SA18, UL1998:2018, CEC, FCC Part
15, CSA C22.2.107.1 |
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