These voltages need reduced
via potential control insulation. This is
particularly required areas with groups people. 100
kV (1.1 Step voltage
The step voltage the voltage between person’s
feet placed apart.2 Protection against dangerous touch voltage
The isCon® conductor Pro+ can used as
protection against dangerous touch voltage. The contact
voltage the voltage between component (e.6. with pulse voltage min.
U
B1
U
B2
U
E
U
S
FE
FE SE
+
1m
UE
: Earthing voltage
UB1
: Touch voltage without potential control (on founda-
tion earth electrode)
UB2
: Touch voltage with potential control (foundation
earth electrode and control earther)
Us
: Step voltage (without control earther)
φ: Earth surface potential
FE: Foundation earth electrode
SE: Control earth electrode (ring earth electrode)
Electrical potential the earth surface and voltages current passes through the foundation earth electrode (FE)
and control earther (SE)
TBS
Blitzschutz-Leitfaden
2018
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en
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2020/01/10
14:42:40
14:42:40
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2020/01/10
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14:42:54
168
Chapter The external lightning protection system
.
Here the current flows from the hand the foot
through the body. the
conductor) and earth potential. Here the current flows between
the person's feet through their body.2/50 μs) rain and fulfils the requirements for
touch protection according IEC/EN 62305-3.6.
2.2.g.
The isCon®
conductor Pro+ was tested a
length max. Both types voltage can harm-
ful the body
