Fine protection devices should al-
ways installed the device protected itself.
NET DEFENDER ND-CAT 6A/EA
LINE PROTECTED
FINE PROTECTION
UN V
No. They serve arrest light-
ning current with the waveform 10/350 coupled
from outside the building via the data cables. The devices are earthed with
powerful gas discharge protectors.: 5081 0
1 3
2
Unprotected side
Protection class, fine protection
Protected side/device
LPZ final code: fine protection, green colour
coding
Fine protection
The fine protection devices use transzorb diodes to
limit surge impulses.
Koax B-E2 MF-C
UN V
No. does, then a
further fine protection device should installed be-
fore the device. The decoupling of
basic and fine protection achieved when the line
section between basic and fine protection device at
least five metres. These corres-
pond classes and categories and C2
as defined the standard DIN 61643-21.
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
234
Chapter The internal lightning protection system
.: 5081 1
1 3
2
Unprotected side
Protection class, basic protection
Protected side/device
LPZ final code basic protection, red colour
coding
Basic protection
Basic protection devices are lightning arrestors of
class that can directly arrest lightning currents and
surge voltages.: 5082 0
PROTECTED
LINE COMBI PROTECTION
1 3
2
Unprotected side
Protection class, combi protection
Protected side/device
LPZ final code combi-protection, blue colour
coding
Combined protection
The combined protection devices limit the transients
with gas-discharge protectors transzorb diodes,
which are decoupled through resistors. The single-stage protection circuit con-
tains gas arrestors.DATA DEFENDER RJ45 S-E100 4-B
LINE PROTECTED
BASIC PROTECTION
UN 110V
No. These devices are installed where
the lines enter the buildings. the latter case, should be
noted that the distance the device needing protec-
tion should not exceed metres. The
devices can installed basic protection where the
cables enter the building, fine protection directly
before the terminal
