A 3 gang A2 toggle reset switch is a panel of three individually controlled toggles, each with ON-OFF functionality, designed for 12V DC systems and featuring visual LED indicators for status, durable construction, and wide use in vehicles and boats, often including protective features like water resistance and an optional safety cover. The "A2" designation likely refers to a manufacturer's specific model series, with features varying but generally including a robust, user-friendly design for controlling multiple circuits.