Growatt WIT 28-55K-HU

Growatt WIT 28-55K-HU

Growatt — the world's #1 residential solar inverter brand by Wood Mackenzie. The WIT 28-55K-HU is a three-phase commercial hybrid inverter (4–100 kW). Designed for schools, mosques, agritech farms, and SMEs across the Middle East replacing diesel gensets with PV+battery.

  • Max. recommended PV power (for module STC): 56kW / 75.6kW / 86.4kW / 108kW
  • Start voltage: 195V
  • Max. open circuit voltage of PV: 630V
24,200 AEDincl. VAT

In stock

Full Specifications

Growatt WIT 28-55K-HU features

Scalable system configuration, extend to 165kW

Support UPS function and black start

100% unbalanced load when backup

110% continuous AC overloading capacity

Support remote control of DG

Grid-support functions

About the Growatt WIT 28-55K-HU

Growatt — the world's #1 residential solar inverter brand by Wood Mackenzie. The WIT 28-55K-HU is a three-phase commercial hybrid inverter (4–100 kW). Designed for schools, mosques, agritech farms, and SMEs across the Middle East replacing diesel gensets with PV+battery. Key features: AXE battery compatible, black-start capable (XHU), parallel-able to 1MW. 5- to 5-year warranty. Available across the Middle East, Europe, and Africa via Growatt MJS Solutions, the authorised distributor based in Dubai. Remote monitoring via the ShinePhone app and ShineServer cloud — view performance from anywhere, configure alerts, and manage multiple sites.

Specifications last updated 1 May 2026

Growatt WIT 28-55K-HU full specifications

Electrical

Max. recommended PV power (for module STC)56kW / 75.6kW / 86.4kW / 108kW
Start voltage195V
Max. open circuit voltage of PV630V
MPPT voltage range360V-1000V / 360V-550V / 360V-550V / 360V-550V
Max. input current per MPPT tracker32A
Max. short-circuit current per MPPT tracker40A
No. of PV strings per MPPT tracker2
No. of MPPT trackers5 / 7 / 8 / 10
AC nominal power/max. AC apparent power28kW/30.8kVA / 35kW/38.5kVA / 40kW/44kVA / 55kW/60.5kVA
Nominal AC voltage/range208V/220V, -15%~10%
AC grid frequency/range60Hz, 55-65Hz
Max. output current85.4A@208V / 106.9A@208V / 122.2A@208V / 168.1A@208V
Adjustable power factor-1...+1
THDi<3% (100% load)
AC grid connection type3P3W+PE/3P4W+PE
Battery voltage range380V-650V, recommended @ 512V
Max. charging / discharging current79A / 99A / 113A / 156A
Continuous charging / discharging power31.7kW / 39.7kW / 45.3kW / 62.3kW
BMS communicationRS485/CAN
Battery typeLithium
Max. efficiency98.2%
PV reverse polarity protectionYes
Battery reverse protectionYes
AC/DC surge protectionType II
Insulation resistance monitoringYes
Ground fault monitoringYes
Grid monitoringYes
Residual-current monitoring unitYes
AC short-circuit protectionYes
String monitoringYes
Anti-islanding protectionYes
PID protectionYes
AFCI functionOpt
InterfacesRS485/CAN
Interfaces/WIFI/4GYes/Opt

Mechanical

Dimensions (W/H/D)33.5/53.1/20.1 inch (850/1350/510mm)
Weight153kg/337.3lbs / 160kg/352.7lbs / 160kg/352.7lbs / 160kg/352.7lbs

Environmental

Operating temperature range-22°F~+140°F, >122°F derating
Altitude13123ft(4000m)
TopologyTransformerless
CoolingSmart air cooling
EnclosureIP66/NEMA 4X
DisplayOLED+LED/WIFI+APP

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