BG Nexus Flatplate matt black unswitched and fused connection unit (FFB54-01). A fused connection unit (FCU) containing a cartridge fuse for circuit protection, with no local on/off switch: used where the appliance itself provides isolation.
Fused (cartridge fuse) connection, unswitched
Matt black finish, screwless flatplate design
Used to permanently wire and fuse-protect fixed appliances such as extractor fans controlled by their own pull cord or built-in switch.
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