The "3Way" in the description indicates that the adaptor has three sockets, or receptacles, into which electrical plugs can be inserted. The "13Amp" designation indicates that the adaptor is rated for a maximum current of 13 amps, which is the standard rating for most household and commercial electrical outlets in the UK.
This particular fused adaptor is designed to provide an additional level of protection by incorporating a fuse into the electrical circuit. The fuse is typically located inside the adaptor and is designed to break the circuit in the event of an electrical overload or short circuit, which can help to prevent damage to the connected devices or the electrical system.
The adaptor is suitable for a wide range of electrical devices, including lamps, computers, televisions, and other appliances. It is typically designed to be compact and portable, making it easy to transport and use in a variety of settings. The fused adaptor is typically made from a durable and heat-resistant material, such as ABS plastic, that can withstand the rigors of daily use.