off Grid 3 Phase Solar Automatic Transfer Switch

Off grid 3 phase solar automatic transfer switch is widely used in scenarios with extremely high requirements for power supply stability.It is designed to automatically switch loads between solar inverter power and grid/backup generator power when operating in off-grid mode, ensuring uninterrupted power supply for three-phase loads such as motors, pumps, industrial equipment, and household appliances.Industrial-grade off grid 3 phase solar automatic transfer switch can switch within a range of 10 to 50 milliseconds. Common specifications include 40A, 63A, 100A, and 250A, and the choice can be made based on the load size.

It adopts a simple wiring design and installation method, with extremely strong compatibility. No complex professional debugging is required, making it convenient for daily installation, maintenance and later upgrades.Off grid 3 phase solar automatic transfer switch also has various protection functions such as overcurrent, overvoltage, undervoltage and short circuit, which greatly enhances the safety and reliability of the entire off-grid solar system.

Features：

1.Achieve the automatic switching of any two of the three power sources: solar inverter power supply, municipal power supply and backup generator power supply.The switching process is rapid, stable, and does not require manual intervention, effectively solving the problem of power interruption caused by a single power source failure.

2.Off grid 3 phase solar automatic transfer switch fully supports the three-phase four-wire system (3 phase wires +1 neutral wire) connection method and is perfectly compatible with off-grid solar systems of 380V/400V voltage levels.It can effectively adapt to the voltage characteristics of different off-grid solar systems and ensure the stable transmission of electrical energy, meeting the power supply requirements of various three-phase loads.

3.Real-time voltage and phase monitoring avoid damaging the load or the equipment itself due to abnormal power supply.The manual / automatic mode can be switched freely, facilitating debugging and maintenance.

Advantages：

1.with convenient transportation and a global logistics network，Wenzhou Xifa Electric Power Equipment Co., Ltd. is located in the core cluster area of China's electrical industry cluster.

2.Standardized factory area is 12000 square meters, equipped with multiple automated production lines , have the ability to handle large-scale and customized orders.

3.As a national high-tech enterprise,off grid 3 phase solar automatic transfer switch have obtain various international authoritative certifications such as CE, CB.