White Consumer Unit, 100A Insulator, 122 Mm Depth, 255x343 MM WxH, Surface Mounted 80A Rcd Rating with 30mA tripping sensitivity, not Surge Protected. All metal enclosure, no external plastic parts, low smoke and fume paint, noncombustible cover blanks, compact enclosure, raised and removable DIN rail/ busbar assembly, cable entry knockouts on 5 Five sides, Mains tails cable grommet or gland for supplementary insulation similar to Class II Level of protection to mains tails.