Hi, thank you for your product enquiry.
Traditionally fans are isolated by a 3 pole switch (Permanent Live, Permanent Neutral, Switched Live) to ensure full disconnection, such as the BG NBS15 (to match the finish of this switch) which ScrewFix do not appear to take at this time.
Load-wise the 20A rating of this British General Nexus Metal 1-Gang 20A DP Control Switch Brushed Steel should be more than adequate to deal with a standard domestic bathroom fan.
Answered by: Luceco Technical Team
Date published: 2019-07-13