A modular power distribution assembly includes a first power module having a power input, a first aperture extending therethrough, and a first bus bar connector at the first aperture and a set of second power modules having a respective power switch, a second aperture extending therethrough, and a second bus bar connector at the aperture, wherein the first power module and the set of second power modules have an attachment interface adapted to physically secure the first power module to the set of second power modules.