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It consists of a switch body and a controller. The main function of the controller is to detect the working status of the power supply. When the detected power supply malfunctions, the controller will issue instructions, and the switch body will quickly switch to another power supply to ensure continuous power supply for the equipment. It is an intelligent device controlled by the CPU, which can achieve continuous power supply. The main components of a dual power supply are usually the following two types. The first type is composed of two circuit breakers, a motor drive mechanism (or electromagnet drive), and a controller. This dual power supply is collectively referred to as the CB level. The second type is composed of two isolation switches, a motor drive mechanism (or electromagnet drive), and a controller. This dual power supply is collectively referred to as the PC level. Our company's self-developed dual power supply conversion switch includes two series: PC level and CB level, Various specifications such as 16A-4000A current