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Growatt WIT 28–55kW Commercial Hybrid Inverter | 208/220V 3-Phase

Sale price $11,999.99 Regular price $35,999.99
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Description

 

The Growatt WIT 28–55kW Commercial Hybrid Inverter is designed for U.S. commercial solar and battery storage applications. Available in 28kW, 35kW, 40kW, and 55kW models, it supports large PV arrays, high-voltage batteries, backup power, generator control, and system expansion up to 165kW.

Key Features

  • 28kW–55kW hybrid inverter
  • 208/220V three-phase output
  • Up to 108kW recommended PV input
  • Up to 10 MPPT trackers
  • 800V max PV voltage
  • 380–650V battery range
  • Up to 62.3kW battery charge/discharge power
  • 98% max efficiency
  • UPS function and black start
  • 100% unbalanced backup load support
  • 110% continuous AC overload capability
  • Generator remote control
  • RS485 / CAN / USB communication
  • IP66 enclosure
  • Optional AFCI

Available Models

  • WIT 28K-HU-US L2 – 28kW, up to 54kW PV
  • WIT 35K-HU-US L2 – 35kW, up to 75.6kW PV
  • WIT 40K-HU-US L2 – 40kW, up to 86.4kW PV
  • WIT 55K-HU-US L2 – 55kW, up to 108kW PV

Ideal for commercial buildings, warehouses, farms, workshops, microgrids, and commercial battery backup systems.

SPECIFICATIONS

Specification Details
Nominal AC Power 28kW
Max. recommended PV power 54kW
Output AC nominal power 28kW
Input AC nominal power 56KW
Max. Efficiency 98.00%
Protection Mechanisms Battery reverse protection, AC/DC surge protection, Insulation resistance monitoring, Ground fault monitoring, Grid monitoring, Residual current monitoring unit, AC short-circuit protection, Anti-islanding protection
Cooling System Smart air cooling
Ingress Protection IP66/NEMA 4X
Operating Temperature Range -30°C to +60°C (>50°C derating)
Communication Interfaces RS485/CAN/USB, optional RS485/4G/LAN-X
AC Output Voltage and Frequency 208/220V, 50/60Hz
Max. Output Current Varies by model, up to 168.1A@208V for the highest capacity models
Dimensions and Weight 820x1350x510mm, approx. 720kg
Warranty 5 to 7 years
Certifications UL1741, IEEE1547, and compliant with various other standards

INCLUDES

Datasheet & User Manual

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