Surge Protection Devices

Surge Protection Devices (SPD’s) are now required on properties that fail a risk assessment as part of the 18th Edition Regulation. The intended use for SPD's is on the load side of the overcurrent device, we sell a few options solutions to assist with the compliance. 

  • Modular surge protection devices consumer unit mounted where space permits.
  • Stand alone isolator switches combined with a surge protection device.

There are two main types of surge protection Type 1 and Type 2:

  • Type 1 SPD's - Recommended in industrial and commercial environments, protects against direct lighting strokes.
  • Type 2 SPD's - The most common in domestic environments, protects against indirect lightning strokes, stops overvoltage and protects electrical appliances.

View all Consumer Units

If you just need some help, would like to take advantage of our Price Promise & or perhaps have a large order to place. Give our team of professionals a call on 0203 994 5470, drop us an email at or use our Contact Form.