Electrified Vehicle Traction Powertrain Module Having Externally Integrated Fuse Box

A high-voltage module, such as a traction battery, a traction inverter, or a DC/DC converter of a traction powertrain of an electrified vehicle (EV), includes an enclosure, an electronics assembly for performing electrical power operations, and a fuse box for providing a power distribution and fuse protection arrangement to the electronics assembly. The enclosure includes a main enclosure portion and a secondary enclosure portion integrated together. The electronics assembly is housed within the main enclosure portion and the fuse box is housed within the secondary enclosure portion.