STI SS3-5031 StopperKey Trapped ON Dual Mount DPNO Yellow. Key switch comes with standard label text.

A highly versatile range of attractive key switches combining unique design, quality and value, with or without a protective cover or pre-alarm. These aesthetically appealing, low/high voltage switches fit any standard UK-type switch socket box, and are quick and easy to install. Models are supplied as a Dual Mount – designed to fit either flush or surface installations (35mm black surface black back box included.) All models are available in a variety of colours with space for function marking or operating instructions. A number of standard models are available for quick delivery but enquiries for custom models are welcomed.