Model mumber: yes1-100ga Detailed product description Automatic transfer switch application: source changeover switching for all industrial and commercial lv electrical installations From 20 to 3200a. Original features and advantages: ití»s a wholly new design concept, offering a compact automatic changeover switching System which only requires the power cables to be connected for it to operate. Main functions and characteristics:- motorised changeover of two mechanically-interlocked cut-out and disconnection Systems - emergency manual control - power sources and changeover controlled by an integrated electronic module- configuration, display and communication using an ergonomic programming and command/control Interface - simplified connection using a self-powered voltage measurement kit connected to The power sources which have to be switched over (optional) - product ready for use, tested at the factory