An electrical fuse assembly 100 includes a housing 110 defining a hermetically sealed chamber 108, first and second terminal electrodes 132, 134 mounted on the housing, a gas M contained in the hermetically sealed chamber, a fuse element 160 electrically connecting the first and second terminal electrodes, and at least one spark gap G between the first and second terminal electrodes 132, 134. The fuse element 160 and the at least one spark gap G are disposed in the hermetically sealed chamber 108.