100a Dual Power Automatic Change Over Switch

This device is a Sasun dual power automatic transfer switch designed to changeover between a normal power source (such as grid electricity) and an emergency power source (such as a generator or inverter). It features both Automatic and Manual operating modes, selectable via a toggle switch on the front panel. The switch includes clear indicators for the Normal Power source ("N") and the Emergency Power source ("R"). It is available in various configurations, including 2-pole (for single-phase) and 4-pole versions, with current ratings typically ranging from 63A to 100A.