Skip to content

Surge Protection Devices (SPD's)

Discover a selection of CTI Surge Protection Devices (SPD’s) online with Electrical Discounted Supplies. An essential part of any electrical installation; each SPD offers robust protection from overvoltages and sudden voltage spikes. As a result they are useful in a whole host of residential, commercial and industrial applications.

Zetmet Limited is proud to be one of the UK’s leading suppliers of circuit protection. We stock a wide range of products from some of the industries leading manufacturers all at highly competitive prices. This ensures all our customers get the right product for any job at the right price!