A fuse module comprising: a mounting block having a through-hole extending therethrough; a fuse comprising: an upper portion disposed on a top of the mounting block and having a through-hole aligned with the through-hole of the mounting block; a lower portion disposed on a bottom of the mounting block and having a through-hole aligned with the through-hole of the mounting block; and a fusible element disposed adjacent a sidewall of the mounting block and connecting the upper portion of the fuse to the lower portion of the fuse; and a housing comprising: a main body portion encasing the mounting block and the fuse, the main body portion having apertures (24, 26) in top and bottom surfaces thereof that are aligned with the through-hole of the mounting block and that expose underlying surfaces of the upper and lower portions (14a, 14b) of the fuse, characterised in that it further comprises a cup-shaped cap portion connected to the main body portion and disposed over the fusible element, the cap portion defining an interior cavity, the interior cavity defining an air pocket immediately adjacent the fusible element, the cap portion having surface features extending from an interior surface of the interior cavity, the air pocket and surface features for absorbing energy upon occurrence of an overcurrent condition in the fuse. a mounting block having a through-hole extending therethrough; a fuse comprising: an upper portion disposed on a top of the mounting block and having a through-hole aligned with the through-hole of the mounting block; a lower portion disposed on a bottom of the mounting block and having a through-hole aligned with the through-hole of the mounting block; and a fusible element disposed adjacent a sidewall of the mounting block and connecting the upper portion of the fuse to the lower portion of the fuse; and a housing comprising: a main body portion encasing the mounting block and the fuse, the main body portion having apertures (24, 26) in top and bottom surfaces thereof that are aligned with the through-hole of the mounting block and that expose underlying surfaces of the upper and lower portions (14a, 14b) of the fuse, characterised in that it further comprises a cup-shaped cap portion connected to the main body portion and disposed over the fusible element, the cap portion defining an interior cavity, the interior cavity defining an air pocket immediately adjacent the fusible element, the cap portion having surface features extending from an interior surface of the interior cavity, the air pocket and surface features for absorbing energy upon occurrence of an overcurrent condition in the fuse. an upper portion disposed on a top of the mounting block and having a through-hole aligned with the through-hole of the mounting block; a lower portion disposed on a bottom of the mounting block and having a through-hole aligned with the through-hole of the mounting block; and a fusible element disposed adjacent a sidewall of the mounting block and connecting the upper portion of the fuse to the lower portion of the fuse; and a housing comprising: a main body portion encasing the mounting block and the fuse, the main body portion having apertures (24, 26) in top and bottom surfaces thereof that are aligned with the through-hole of the mounting block and that expose underlying surfaces of the upper and lower portions (14a, 14b) of the fuse, characterised in that it further comprises a cup-shaped cap portion connected to the main body portion and disposed over the fusible element, the cap portion defining an interior cavity, the interior cavity defining an air pocket immediately adjacent the fusible element, the cap portion having surface features extending from an interior surface of the interior cavity, the air pocket and surface features for absorbing energy upon occurrence of an overcurrent condition in the fuse. a main body portion encasing the mounting block and the fuse, the main body portion having apertures (24, 26) in top and bottom surfaces thereof that are aligned with the through-hole of the mounting block and that expose underlying surfaces of the upper and lower portions (14a, 14b) of the fuse, characterised in that it further comprises a cup-shaped cap portion connected to the main body portion and disposed over the fusible element, the cap portion defining an interior cavity, the interior cavity defining an air pocket immediately adjacent the fusible element, the cap portion having surface features extending from an interior surface of the interior cavity, the air pocket and surface features for absorbing energy upon occurrence of an overcurrent condition in the fuse.