Features Two Unit Miniature Circuit Breaker --- The automatic transfer switch is composed of two unit miniature circuit breaker and accessories (auxiliary contact, alarm contact), mechanical interlocking transmission, controller and other components. Mechanical and Electrical Interlocking --- This automatic transfer switch has mechanical interlocking and electrical interlocking functions, can be switched by reliability, can be powered manually or automatically, and the rated current of universal and sta Stable Performance --- This switch has small size, simple structure, easy operation, long service life, superb craftsmanship, isolation anti interference and stable performance. No Noise --- The transfer switch is driven by a single motor, noiseless and low impact, equipped with user terminals to reflect the breaker status (open or closed), with various indications on the panel. Wide Application --- Our automatic transfer switch is suitable for lighting and small motor control equipment. It is widely used in homes, shopping malls, factories, laboratories, farms and other situations. Specification: Item Type: Double Power Automatic Transfer Switch Material: PC Rated Voltage: 400V Frequency: 50 or 60Hz Number of Poles: 4 Segmentation Capacity: 35KA ATSE: CB grade Rated Current: 63A Package List: 1 x Dual Power Automatic Transfer Switch 1 x User Manual Package List 1 x Dual Power Automatic Transfer Switch 1 x User Manual