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 box depth: 25mm
Technical Specification:
Projection (mm): 4.3
Min. Mounting Box Depth (mm): 25mm
Construction: Premium grade steel
Finish: Matt White
IP Rating: IP20
Terminal: Screw
Dimensions: Height: 88mm
Weight: 0.166Kg
Warranty: 15 Years