The 12–20kW Three Phase Change Over Box provides a safe and reliable way to switch between grid power and backup power sources. It is designed for residential, commercial, and small industrial electrical systems. It helps ensure a continuous power supply during outages or maintenance.
This change over box handles three-phase systems in the 12kW to 20kW range. It delivers stable performance under different load conditions. It also protects connected equipment from power fluctuations and electrical faults. In addition, its strong enclosure improves durability and long-term use in demanding environments.
Furthermore, the unit supports manual or automatic switching, depending on the setup. This gives users flexibility when managing power from inverters, generators, or the grid. As a result, users can maintain better control over their energy system.
Key Features:
- Designed for 12–20kW three-phase systems
- Switches safely between grid and backup power
- Works with solar inverters and generators
- Strong and durable protective enclosure
- Prevents overload and back-feeding issues
- Suitable for residential and commercial use
Moreover, the change over box improves overall system safety. It prevents incorrect power flow and protects sensitive equipment. Therefore, it helps maintain stable and reliable electrical operation.
Ultimately, the 12–20kW Three Phase Change Over Box offers a practical and dependable solution for managing power transitions in hybrid and backup systems.

