• Growatt WIT 55K-HU-US L2 55kW 208V 3-phase hybrid inverter — front view
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Growatt WIT 55K-HU-US L2 55kW 208V 3-Phase Hybrid Inverter with Backup

Growatt WIT 55K-HU-US L2 55kW 208V 3-Phase Hybrid Inverter with Backup

Ships Direct from Manufacturer's US Warehouse — typically 5–10 business days
Brand: Growatt
$13,046.00 USD
$14,336.00 USD $13,046.00 USD
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Ships Direct from Manufacturer's US Warehouse — 5–10 business days
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Growatt

PES Supply is an authorized distributor for Growatt. 50,000+ SKUs from 169 authorized brands.

The Growatt WIT 55K-HU-US L2 is a 55kW three-phase 208Vac hybrid inverter with integrated backup function for commercial storage applications.

Key Features

  • 55kW hybrid 3-phase 208Vac inverter with backup function
  • Integrated WiFi/LAN communications and Tigo RSD transmitter (WL, TRS-T)
  • Commercial ESS: pairs with Growatt APX HV battery systems
  • UPS-grade backup transfer

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

Specifications

Model WIT 55K-HU-US L2
Part Number HY00.0026002
Rated AC Output 55,000 W, 208V 3-phase
Communication WiFi/LAN (WL)
Rapid Shutdown Integrated Tigo RSD transmitter (TRS-T)
Certifications UL1741, UL1741SA/SB, IEEE1547, CSA C22.2, FCC

Authorized Growatt distribution — full 10-year manufacturer warranty. Ships single units via ground freight from Growatt USA (Eastvale, CA) or our Louisville, KY warehouse.

ManufacturerGrowatt
Datasheet
Height20.1
Length33.5
Width53.1
Growatt WIT 55K-HU-US L2 55kW 208V 3-phase hybrid inverter — front view
Growatt WIT 55K-HU-US L2 55kW 208V 3-Phase Hybrid Inverter with Backup $13,046.00

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Specifications

Datasheet
Model WIT 55K-HU-US L2
Part Number HY00.0026002
Rated AC Output 55,000 W, 208V 3-phase
Communication WiFi/LAN (WL)
Rapid Shutdown Integrated Tigo RSD transmitter (TRS-T)
Certifications UL1741, UL1741SA/SB, IEEE1547, CSA C22.2, FCC
Max. PV Input Power 108 kW
MPPT Trackers 10
AC Nominal / Max. Apparent Power 55 kW / 60.5 kVA
Max. AC Output Current 168.1 A @208V / 158.8 A @220V
AC Input Power 110 kW / 110 kVA (305.6 A @208V max)
Backup Power 55 kW / 66 kVA (max single-phase 18.3 kW)
Battery Charge/Discharge 156 A / 62.3 kW
Weight 352.7 lb (160 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
Warranty 5 / 10 years
Certifications<
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