• Growatt WIT 28K-HU-US L2 28kW 208V 3-Phase Hybrid Inverter with Backup
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Growatt WIT 28K-HU-US L2 28kW 208V 3-Phase Hybrid Inverter with Backup

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Ships Direct from Manufacturer's US Warehouse — typically 5–10 business days
SKU: WIT-28K-HU-US-L2Brand: Growatt
$10,166.00 USD
$11,171.00 USD $10,166.00 USD
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Delivery: 5–10 business days
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SKU
WIT-28K-HU-US-L2
OEM Authorized BABA Compliant Full Warranty Delivery: 5–10 business days

Complete the job

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Growatt

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The Growatt WIT 28K-HU-US L2 is a 28kW three-phase 208Vac hybrid inverter with integrated backup function for commercial storage.

Key Features

  • 28kW hybrid 3-phase 208Vac inverter with backup function
  • Integrated WiFi/LAN + Tigo RSD transmitter (WL, TRS-T)
  • Pairs with Growatt APX HV battery systems

Compatibility: Growatt APX HV batteries; TPM-CT-E US meters

Specifications

Model WIT 28K-HU-US L2 (WL)(TRS-T)
Rated AC Output 28,000 W, 208V 3-phase
Note Part number not printed on Growatt 6/30/26 sheet — confirm with Growatt
Certifications UL1741, UL1741SA/SB, IEEE1547, CSA C22.2

Authorized Growatt distribution — full manufacturer warranty. Ships as single units via ground from Growatt USA (Eastvale, CA) or Louisville, KY.

SKUWIT-28K-HU-US-L2
ManufacturerGrowatt
Container price$813,280.00 USD
Container qty100
Datasheet
Height20.1
Length33.5
Pallet price$91,494.00 USD
Pallet qty10
Unit price$10,166.00 USD
Width53.1
Growatt WIT 28K-HU-US L2 28kW 208V 3-Phase Hybrid Inverter with Backup
Growatt WIT 28K-HU-US L2 28kW 208V 3-Phase Hybrid Inverter with Backup $10,166.00

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Specifications

Datasheet
Max. PV Input Power 56 kW
MPPT Trackers 5
AC Nominal / Max. Apparent Power 28 kW / 30.8 kVA
Max. AC Output Current 85.6 A @208V / 80.8 A @220V
AC Input Power 56 kW / 56 kVA (155.6 A @208V max)
Backup Power 28 kW / 33.6 kVA (max single-phase 9.3 kW)
Battery Charge/Discharge 79 A / 31.7 kW
Weight 337.3 lb (153 kg)
Start Voltage 195 V
Max. PV Open-Circuit Voltage 630 V
MPPT Voltage Range 180–550 V (360 V nominal)
Max. Input Current per MPPT 32 A (40 A Isc)
PV Strings per MPPT 2
AC Nominal Voltage 208/220V 3-phase, −15%/+10%
Grid Frequency 60 Hz (55–65 Hz)
Power Factor −1 ~ +1
THDi <3% (@100% load)
AC Grid Connection 3P3W+PE / 3P4W+PE
Battery Voltage Range 380–650 V (recommended @512V)
Battery Communication RS485 / CAN (lithium & lead-acid)
Backup AC Voltage 120/127V (L-N), 208/220V (L-L); 50/60 Hz
Backup Overload ≤110% continuous; 110–120% <10 min; >120% 200 ms
Backup Load Unbalance 100%
On/Off-Grid Transfer Time ≤16.6 ms
Max. Efficiency 98.2%
Dimensions (W×H×D) 33.5 × 53.1 × 20.1 in (850 × 1350 × 510 mm)
Operating Temperature −22°F to +140°F, derating above 122°F
Max. Altitude 13,123 ft (4,000 m)
Topology Transformerless
Cooling Smart air cooling
Enclosure IP66 / NEMA 4X
Display OLED + LED / WiFi + APP
Communication RS485/CAN; WiFi/4G/LAN (optional)
Warranty 5 / 10 years
Certifications UL1741:2021, UL1741 SA/SB:2020, IEEE1547:2018, IEEE1547.1:2020, HECO Rule 14, E-5000, CSIP SA17-SA18, UL1998:2018, CEC, FCC Part 15, CSA C22.2:107.1
Certifications<
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