SAME WORKING DAY DISPATCH!!! VAT RECEIPT PROVIDED ON REQUEST!!! The MK Fan Isolator with Lock Assembly is a 10 Amp, 3 Pole electrical safety isolator switch designed for fan circuit isolation. Made from polycarbonate, this white flush switch features a decorator/rocker style and comes with a square box shape. With impact-resistant properties, this isolator provides maintenance safety for electrical circuits, making it a reliable choice for DIY electrical projects at home.