Wylex NM Flexible High Integrity Unit comes with 100A Main Switch 2x 80A 30mA RCD, RCBOs or MCBs may be fitted depending upon the installation requirements. 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.