Key Features:Capacity: Rated for 100A at 110V/220V/400V (depending on model).Operation Modes: Dual-mode capability, allowing the user to select between Automatic and Manual operation via a selector switch.Transfer Time: Rapid switching, typically within 0.05 seconds (50ms) to 30ms.Protection: Features short-circuit, overload, and under/over-voltage protection.Construction: Often features flame-retardant PC material and silver alloy contacts for durability