Ferraz Shawmut A30QS50-4 is a 50 A, 300 V fuse that serves as a direct replacement in electrical protection schemes requiring those ratings. Identified by part number A30QS50-4, this device is manufactured by Ferraz Shawmut, a recognized name in industrial fuses. With a 50 A current rating and a 300 V maximum operating voltage, it protects wiring and equipment by interrupting current when fault conditions exceed the rated value. This replacement fuse is intended for systems that specify the A30QS50-4 or an equivalent 50 A / 300 V protection device, enabling quick restoration of protective functionality after a fault.
