An electronic component unit includes an accommodation member, electronic components, and a bus bar including a rectangular unit. The accommodation member accommodates the electronic components and the bus bar in an accommodation space portion of an inner space portion. The accommodation member has a dividing wall that forms divided space portions by dividing the accommodation space portion. The dividing wall is provided with a slit that communicates the adjacent divided space portions. The rectangular unit of the bus bar is exposed to the inside of each of the divided space portions, when the rectangular unit is held by being inserted into the slit. The electronic components that are individually accommodated in the respective divided space portions are connected to the rectangular unit being exposed.

An electronic component unit includes an accommodation member, electronic components, and a bus bar including a rectangular unit. The accommodation member accommodates the electronic components and the bus bar in an accommodation space portion of an inner space portion. The accommodation member has a dividing wall that forms divided space portions by dividing the accommodation space portion. The dividing wall is provided with a slit that communicates the adjacent divided space portions. The rectangular unit of the bus bar is exposed to the inside of each of the divided space portions, when the rectangular unit is held by being inserted into the slit. The electronic components that are individually accommodated in the respective divided space portions are connected to the rectangular unit being exposed.

A bus bar connector with a replaceable fuse are provided. A first terminal assembly inside the casing includes a first connecting element and plural first resilient contacts electrically connected with the first connecting element. A second terminal assembly inside the casing includes a second connecting element and plural second resilient contacts. An end of the second connecting element is electrically connected with the plural second resilient contacts, and another end of the second connecting element extends to form a cable connecting portion. The first cable assembly includes a first cable body extending from at least one of the left and right sides of the casing, and a cable connection portion connected to one side of the first cable body. The fuse element is connected in series between the cable connection portion and the first connecting element. The second cable assembly is electrically connected to the cable connecting portion.