100A TP&N Metal Isolator Switch Disconnector Fusebox TPNI100 AC-23A Rating Large, durable 1.2mm steel enclosure with a powder-coated RAL7035 finish Manually operated red/yellow handle for secure ON/OFF isolation Mechanically interlocked door in the ‘ON’ position to prevent access Handle can be padlocked in the OFF position for extra-secure isolation Removable gland plates at the top and bottom Spacious internal layout ensures easy cable termination Operating temperature range of -25°C to +55°C Compatible with Fusebox Main Switch and TPN consumer units The Fusebox TPNI100 is a robust 100A three-pole and neutral isolator switch designed for reliable mains isolation in domestic and commercial installations. Built with a heavy-duty 1.2mm steel enclosure finished in RAL7035 grey, it delivers exceptional durability in demanding environments. The manually operated red/yellow handle provides intuitive ON/OFF control with mechanical door interlock preventing unsafe access when energised. For enhanced security, the handle accepts a padlock in the OFF position. Removable gland plates at top and bottom facilitate flexible cable entry, whilst the generous internal cavity simplifies termination work. Operating reliably between -25°C and +55°C, it integrates seamlessly with Fusebox Main Switch and TPN consumer units, making it an essential component for compliant electrical installations. . Rated current 100A IP Protection degree IP65 Manufacturing material Steel