Fusebox Switch Isolator Consumer Units
The FuseBox Switch Isolator Consumer Unit range provides a simple yet flexible starting point for domestic and light commercial installations. Each board comes fitted with a 100A main switch isolator as the incomer, giving you full control and safe isolation of the installation while leaving you free to populate the outgoing ways with your choice of MCBs or RCBOs.
Fusebox’s range meets all of the most up to date wiring regulations for your peace of mind and thanks to their outstanding durability and impressive wiring space, they can offer you the residual protection, surge protection, or combination of both that you need to meet the needs of your electrical project.
Perfect for electricians who want flexibility, these consumer units provide the essential main switch incomer but let you decide how to protect each circuit. Whether it’s a small extension, a garage supply, or a full domestic board, FuseBox switch isolator units offer durability, compliance, and adaptability.
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FUSEBOX F3 SERIES SWITCH ISOLATOR CONSUMER UNITS
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Key Features & Benefits
- 100A Main Switch Isolator — safely disconnects the entire consumer unit when required.
- Multiple Way Sizes Available — from compact boards for small circuits to larger units designed for whole installations.
- All-Metal Construction — strong, durable, and compliant with 18th Edition Wiring Regulations.
- Ample Wiring Space — designed with installers in mind for neat, easy cabling.
- Customisable Outgoing Protection — fit with MCBs or RCBOs as needed to suit the installation.
- FuseBox Build Quality — reliable components, knockouts for flexible cable entry, and a clean, installer-friendly layout.



