Wylex NM Metal Consumer Unit with 100A main switch, comb bus bar and full DIN-rail. All metal enclosure, no plastic parts. Low smoke and fume painted compact enclosure. Non combustible cover blanks, raised and removable DIN rail/busbar assembly. Cable entry knockouts on 5 sides, top, bottom, left, right and rear. Mains tails cable entry grommet / gland for supplementary insulation similar to Class II level of protection to mains tails.