A fusible link device comprising a housing that contains terminals for terminating incomingoutgoing wires, and that also contains a fusible link that interconnects a pair of the terminals in series, the fusible link device providing a self-contained unitmodule for terminating and fusing wires to be electrically interconnected in series. A downward facing surface of the bridge superstructure can be fixedly joined to an upward facing surface of the abutment, or alternatively, a bearing pad may be disposed therebetween. A frame surrounding the screen is detachably fastened to the front casing independently of the rear casing.