Corrosion-resistant Zintec steel construction fully complies with Amendment 3 of the 17th Edition Wiring Regulations. Floating busbar. Multiple extra large knockouts for easy installation. Modern aesthetics for visible installations. Top-hinged to prevent door being left open after use, reducing possible fire risk. Continual earthing through casing & door, only needing to be earthed once via base. Removable DIN rail with supporting T-bar & additional wiring height for ease of installation. Enclosure, 100A main switch & 80A 30m A RCD.