Sensitive
measuring technology, whose cables are often routed
outdoors, are particularly risk from surge voltages
and lightning strikes.g.
Sensor with Petrol Field Protector FDB
Protected side
Field
Ex area zone 2
Protected sensor
Signal source
Coupling
Surge protection device field device (e. FDB)
Ex separation barrier front the signal source (e.g. typical set-up shown below
for 0‒20 interface with the intrinsically-safe OBO
products MDP and FDB.
MDP)
Application example protection measurement/control signal line area
TBS
Blitzschutz-Leitfaden
2018
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en
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2020/01/10
14:42:40
14:42:40
(LLExport_02613)
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2020/01/10
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14:42:54
239
Chapter The internal lightning protection system
.TBS
Blitzschutz-Leitfaden
2018
/
en
/
2020/01/10
14:42:40
14:42:40
(LLExport_02613)
/
2020/01/10
14:42:54
14:42:54
Surge protection for potentially explosive areas
Surge protection important topic potentially ex-
plosive areas. important here protect costly
measuring technology against the influence surge
voltages through atmospheric discharges
