It is a Hornby R046 Two Way Switch. Here I have switch for sale.
Hornby R046 Two-Way Lever Switch Yellow - Fast Post
Hornby R046 Two Way Lever Switch (On/On) Yellow. Unopened. (728)
Hornby R046 Two Way Lever Switch On-Off Yellow Acessories Power Scale 1:76 Gauge
Hornby R046 TWO WAY LEVER SWITCH YELLOW
Hornby 1 x R046 Two-Way Lever Switch Yellow - Fast Post
Hornby R047 Two Way Lever Switch On/Off - Spare Parts and Train Accessories for Hornby OO Gauge Model Railway Sets, Coupling and Modelling Tools - Green Lever Switch Scale 1:76
