The master socket contain a surge arrestor and an R/C circuit filter these are used by your service provider to get a fixed value resistance when they run line checks. Standard BT type socket with screw type terminals. Flawless Screwless design
- Master BT type socket
- Screw terminals
- Screwless low profile design with built in gasket
- Certified to BS 5733
Minimum mounting depth: 25mm.
Dimensions: 87.5mm x 87.5mm.
Finish: Matt White.
Connection: Screw terminal
Product Code: SF7300MW
The manufacturers warranty is given as 15 years.
Data sheet for this product can be downloaded .