Features High Reliability: Composed of two miniature circuit breakers, sensitive auxiliary contact, and alarm contact, mechanical and electrical interlock devices, and a controller, ensuring high conversion reliability. Manual and Automatic Modes: Automatically connects load circuit to standby power supply when main power supply fails, ensuring normal power supply. Can also be controlled manually for added flexibility. Reliable Motor: Driven by a single stable, noiseless motor with large impact force, ensuring consistent and efficient . Complete Protection Functions: Designed with short circuit protection, overload protection, undervoltage protection, fire protection, dual output, and closing signal functions, making it easy to operate and providing comprehensive protection. Wide Applications: Suitable for lighting circuits in office buildings, shopping malls, banks, stations, hospitals, and high-rise buildings with fire protection requirements, offering versatility and reliability. Features: 1、HIGH RELIABILITY: Composed of two miniature circuit breakers, sensitive auxiliary contact and alarm contact, mechanical and electrical interlock devices, controller, etc., with high conversion reliability. 2、MANUAL AUTOMATIC MODES: When main power supply fails, the switch will automatically connect load circuit to standby power supply to ensure normal power supply, you can also control it by manual modes. 3、RELIABLE MOTOR: The changeover switch is driven by single motor, which is stable, noiseless and has large impact force. 4、COMPLETE PROTECTION FUNCTIONS: Designed with short circuit protection, overload protection, undervoltage protection, fire protection, dual output and closing signal functions. With indications, easy to operate. 5、WIDE APPLICATIONS: Widely applicable to the installation and use of lighting circuits in office buildings, shopping malls, banks, stations, hospitals and high rise buildings with fire protection requirements. Specification: Item Type: Dual Power Automatic Transfer Switch Material: PC Rated Voltage: 400V Coil Voltage: 220V Rated Current: 63A Frequency: 50/60Hz Specification: 4P Breaking Capacity: 35KA ATSE: Class CB Working Principle: 1. The dual power controller and drive mechanism of this series use AC220V power supply, the power signal depends on A phase and N line of input port of public switch or standby switch. 2. In case of dual power supply is in the automatic state, when the voltage of input phase A and line N of common switch is normal (AC190-240V), the common switch will be closed preferentially regardless of whether the voltage of public power supply B, C and standby switches A, B, C, N is normal. At the same time, the power indicator and common closed indicator light are on. 3. When there is no voltage on the incoming line A and N of common switch, the input of standby switch A and N is normal, n Package List 1 x Dual Power Automatic Transfer Switch 1 x Manual