Furse Total Solution to Earthing & Lightning Protection

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Furse, Wilford Road, Nottingham, NG2 1EB • Tel: +44 (0)115 964 3700 • Email: • Web:
Mains power protection
TSC-0912 - 09.10.12
Structure configuration -
Typical
Installation Locations
Service entrance - after meter
Main Distribution Board (MDB)
Sub Distribution Board (SDB) -
located > 10m from MDB
Critical terminal equipment -
located > 10 m from SDB
No external lightning protection
system LPS fitted, 3 Phase 415 V
TN-S or TN-C-S mains supply
- underground supply feed
ESP 415 D1 range or ESP 415 M1
for 3 phase 415 V supplies
See pages 188 & 192
ESP 415 D1 range
or ESP 415 M1
for 3 phase 415 V supplies
See page 188 & 192
ESP 240 D1 or ESP 240 M1
for single phase 240 V supplies
See page 186 & 192
ESP MC
(e.g. Hospital/Laboratory/
Server Equipment)
See page 200
ESP MC/TN/RJ11
(e.g. fax machines/modems)
See page 200
ESP MC/Cat-5e
(e.g. computer network hubs)
See page 200
No external lightning protection
system LPS fitted, 3 Phase 415 V
TN-S or TN-C-S mains supply
- exposed overhead supply feed
ESP 415/III/TNS
ESP 415 M2 where electronics are
located near MDB before SDB
See pages 184 & 190
External lightning protection system
LPS fitted, mulitple connected
metallic services (gas/water/data/
telecom), 3 Phase 415 V TN-S or
TN-C-S mains supply
ESP 415 D1 range or ESP 415 M1
for 3 phase 415 V supplies
See pages 188 & 192
External lightning protection system
LPS fitted, metallic gas/water/data/
telecom services - unknown
3 Phase 415 V TN-S or TN-C-S
mains supply
ESP 415/I/TNS for LPS to LPL level I and II
ESP 415/III/TNS for LPS to LPL level III and IV
See page 154
ESP 415 M4 for LPS level I and II where
electronics are located near MDB before SDB
ESP 415 M2 for LPS level III and IV where
electronics are located near MDB before SDB
See page 184 & 190
Mains protectors for specific systems
Fire/intruder alarm panels and CCTV systems Photovoltaic (solar) panels
ESP 240-5A (or -16A) series
See page 198
ESP PV series
See page 250
Ground
Level
Power
Ground
Level
Power
Ground
Level
LPS
Power
Data
Telecom
Water
Gas
Ground
Level
LPS
Power
Unknown
Mains protector product selection - service entrance to terminal equipment