This creates so-called “clean“ earth because
compensation currents are not possible when this type of
wiring used. It
can also have earth function prevent sensitive devices
from damage.
For systems where this distinction must should be
made, Weidmüller offers white terminal blocks from
the and Z-series.5 mm2
WS 2. such case, the key low-impedance
connection. They can still used for functional earthing
although. These terminals are easily identified
through their colouring, showing that the circuits are only
there functionally protect the electrical systems that are
connected. Even the symbols used here have been
extended order clarify the functional earth.5/4AN WS
Order No. The same applies for couplings grounding
lines inside equipment these must also discharged. terminal blocks
which are intended protect human life must labelled
green-yellow.5 WS
≤ 2.5 mm2
WS
ZPE 2. White terminals (FE) can used the
functional earth.151282250000 2012/2013
. contrast
to the protective earth, meshing not useful for the
functional earth: instead wiring star topology makes
more sense. The length the line also critical factor.
DIN VDE 0113 and VDE 0197 differ according and
PE: because there degree freedom when designing
the functional earth, but the protective earth must be
conform with clear requirements. 1698110000
E
ShieldconnectionterminalsKLBÜ
E. 1010010000 Order No.Functional earthing (PE terminals)
Functional earth
Functional earth
The functional earth equipotential bonding mechanism
that used discharge shield-coupled transient currents.
Symbol for functional earthing
TS 35
WPE 2
