The product is applicable to AC 50Hz, with a rated voltage of 400V and a rated current range of 100A to 1600A, in a three-phase four-wire dual-circuit power supply network. It can automatically switch one or more load circuits from one power supply to another, ensuring continuous power supply for load circuits and providing protection.

This product is suitable for use in industrial, commercial, high-rise, and residential settings, as well as other important locations.