BS 7671 18th Edition wiring regulations

Furse

BS 7671 18th Edition wiring regulations

Published: 2 July 2018 · Category: Product Catalogues & Brochures

From this document

— BS 7671 18th Edition wiring regulations Furse overview Transient overvoltage protection T R A N S I E N T O V E R V O LTA G E P R OT E C T I O N - R I S K A S S E S S M E N T TO B S 7 6 7 1 — Furse electronic systems protection Enhanced solutions to BS EN 62305 / BS 7671 Furse Surge Protection devices are widely specified and offer industry-leading voltage protection levels to ensure the continuous operation of critical electronic systems, such as those found in data centres, hospitals and automated process control. Used with Furse data / telecom SPDs, they form part of a complete lightning protection solution. — Protection for 230/400 V TN-S or TN-C-S supplies Supply type Example 1 Example 2 Example 3 Example 4 No external lighting protection sytem fitted No external lighting protection sytem fitted No external lighting protection sytem fitted No external lighting protection sytem fitted Underground mains supply feed Exposed overhead mains supply feed Multiple connected metallic services No. of services unknown LPS Power Ground level Ground level LPS Ground level Ground level Power Data Telecom Water Gas Power Ground level Power Unknown 3 Phase 400 V Service entrance, after electricity meter (Main distribution board (MDB)) ESP 415 D1 OR ESP 415 M1 Series Series 3 Phase 400 V 1 Phase 230 V Sub-distribution board (SDB) located >10 m from MDB feeding electronic equipment Critical terminal equipment located >10 m from SDB — Protection for data signal and telecoms...