The Celduc SGTA4653 is a heavy-duty solid state relay with a Rin range of 2 to 25kO, a current rating of 50A, and an operating voltage range of 300÷510VAC. Its 3-phase construction makes it particularly suitable for demanding industrial applications. It features short circuit and overload protection, as well as a wide range of control inputs, including voltage, current, resistance, and digital control. Additionally, it has built-in EMC noise filtering for smoother operation.