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
/
en
/
2020/01/10
14:42:40
14:42:40
(LLExport_02613)
/
2020/01/10
14:42:54
14:42:54
168
Chapter The external lightning protection system
. 100
kV (1.
2.2.g.2/50 μs) rain and fulfils the requirements for
touch protection according IEC/EN 62305-3. Here the current flows between
the person's feet through their body.6. the
conductor) and earth potential. These voltages need reduced
via potential control insulation.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.6.
Here the current flows from the hand the foot
through the body. This is
particularly required areas with groups people. Both types voltage can harm-
ful the body. with pulse voltage min.
The isCon®
conductor Pro+ was tested a
length max. The contact
voltage the voltage between component (e
