Growatt WIT 15K-HU 15kW Three-Phase Hybrid Solar Inverter – IP66

Product Specifications

The Growatt WIT 15K-HU 15kW Hybrid Solar Inverter is a high-performance three-phase solar inverter designed for residential, commercial and high-demand solar energy storage systems.

With an inverter efficiency of up to 97.6%, a wide 150–850V MPPT voltage range, and support for low-voltage battery storage, the WIT 15K-HU provides efficient management of solar generation, battery storage and grid power.

Its IP66-rated enclosure provides strong protection against dust and water, while smart air cooling helps maintain stable operating temperatures during demanding applications. The inverter supports three-phase AC systems and is particularly suitable for properties with larger electrical loads requiring dependable solar and battery integration.

Key Features

• 15kW Hybrid Inverter: High-capacity solution for residential and commercial solar installations.
• Three-Phase Output: Designed for three-phase electrical systems and higher-power applications.
• High Efficiency: Delivers inverter efficiency of up to 97.6%.
• Wide MPPT Range: 150–850VDC operating range provides flexibility when configuring solar PV arrays.
• 180V Start Voltage: Designed for efficient solar system start-up.
• IP66 Protection: Provides a high level of resistance against dust and water ingress.
• Smart Air Cooling: Active thermal management supports stable operation under demanding loads.
• Low-Voltage Battery Support: Battery voltage range of 40–60V, with 51.2V rated battery voltage.
• 50/60Hz Compatibility: Suitable for compatible electrical installations operating at either frequency.
• Wide Operating Temperature: Designed to operate from approximately -30°C to +60°C.
• Flexible Grid Connection: Supports 3P3W+PE / 3P4W+PE three-phase grid configurations.
• Hybrid Energy Management: Integrates solar PV generation, battery storage and grid electricity within one energy system.

Specifications

Applications

The Growatt WIT 15K-HU is suitable for:

• Large residential solar installations
• Commercial buildings and offices
• Shops and business premises
• Workshops and light industrial facilities
• Farms and agricultural properties
• Three-phase solar battery storage systems
• Properties requiring solar backup for larger electrical loads