1Dual Power Automatic Transfer Switch: Provides a seamless transition between two power sources, ensuring uninterrupted power supply for essential devices. 2Reliable and Durable: Made from flame retardant PC and silver materials, with a PC level grade for added safety and longevity for long working hours. 3Easy Installation and Operation: Designed with a compact size, this mini ATS can be easily installed in various settings. It features a quick switching time of less than 50ms. 4Versatile Configuration: This automatic transfer switch is equipped with 3P configuration and two relays, each with two groups of contacts for versatile control options. 5High Performance: With a rated insulation voltage of AC 690V, rated voltage of AC 400V, and a rated short circuit current of 50kA, this mini ATS delivers reliable performance in any situation. 1 x DualPowerAutomatic TransferSwitch 1 x User Manual