Ferraz Shawmut A30QS300-4IL Fuse Switch Assembly is a 300 A, 300 V fuse-switch unit designed for industrial electrical protection and isolation. It features a 200 kA interrupting rating and Amptrap W protection, and it is associated with the D310020 reference. The A30QS300-4IL designation identifies this Ferraz Shawmut model, suitable for high-current power distribution applications where reliable switching and protection are required.
