Safety requirements for cable networks, remote

signals, sound signals and interactive services

White Paper

Contents
Earth-termination system
Equipotential bonding
Internal lightning protection
system
Surge protection
Antennas in buildings or
underneath the roof
Building with lightning pro-
tection system
Building without lightning
protection system
Building with broadband cable
connection

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 Safety requirements for cable networks, remote
signals, sound signals and interactive services
White Paper

Nowadays conventional satellite and terrestrial antennas Earth-termination system

are almost exclusively installed on the roofs of buildings. An earth-termination system may consist of one foundation
Therefore, the IEC 60728-11 (EN 60728-1) standard calls for earth electrode, two horizontal earth electrodes (earth strips)
earthing measures in addition to equipotential bonding and with a length of 2.5 m and an angle > 60 ° each, one verti-
lightning equipotential bonding of the cable network (cable cal earth electrode (earth rod) with a length of 2.5 m or two
shields). This standard typically applies to stationary systems vertical earth electrodes with a length of 1.5 m each spaced
and devices. Mobile systems (e.g. caravans), which are also at intervals of 3 m (Figure 1). It must be observed that earth-
covered by the standard, are not dealt with here. termination systems must be connected to the main earthing
Moreover, this practical solution does not describe earthing busbar (MEB). The earth electrode must have a minimum cross-
measures for antenna systems installed at locations with a low section of 50 mm2 (copper) or 90 mm2 (galvanised or stainless
risk of lightning strikes and equipotential bonding in case of let- steel) (typical: flat strip 30 x 35 mm; cross-section of 105 mm2).
go threshold currents ≤ 3.5 mA, which are both not required.
In general, antennas installed in conformity with this stand- Equipotential bonding
ard do not increase the probability of a lightning strike and To ensure that persons and property are protected, the cable
earthed antenna standpipes are no substitute for a lightning network must be integrated in the protective equipotential
protection system. bonding of the building. If cables are installed in such a way

1m
1.5 m
2.5 m
foundation earth electrode 3m 1.5 m
1m earth rod
earth rod

earth connection

0.5 m
1m
general installation α > 60 ° α building
depth of the earth 2.5 m foundation
electrode: > 0.5 m m 2.5
(frost depth) earth strip steel frame, steel buildings

Figure 1 Permitted earth electrodes

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Safety requirements for cable networks, remote
signals, sound signals and interactive services
White Paper

connection of the isolated

connection of the isolated air-termination system
air-termination system to the external LPS
to the external LPS

4 mm2 Cu
4 mm2 Cu

PE terminal
multiswitch

multiswitch
metal
DIN rail
earth
connection
MEB

earth
connection
Figure 2 Protective equipotential bonding of the cable network and MEB
the devices No. SPD Part No.
DEHNgate DGA FF TV 909 703

that they are / are not mechanically protected, the minimum DEHNflex DFL M 255 924 396
cross-section is at least 2.5 mm2 / 4 mm2 (copper). This meas-
ure is required due to the discharge currents on the mains side Figure 3 Antenna system with equipotential bonding at the lowest
point of the installation and surge protective devices
which are injected from the devices to the cable network.
For this reason, all cables entering a building (Figure 2) must
be connected to the protective equipotential bonding (excep-
tion: galvanic isolation of the inner and outer conductor). If ac- Surge protection
tive and passive devices (e.g. amplifiers, splitters) are removed, The protection goal of the surge protective devices at the
the cable shields connected to them must be interconnected head-end described in the standard also applies to equivalent
before removing the devices and the inner conductors must installations (Figure 3).
be insulated. Surge protective devices for a detached house, which are also
Special attention must be paid to mains-powered devices of described in the standard, provide protection from inductive
protection class I connected to the cable network. If no inte- coupling and can also be used for connections in multi-family
grated TN-S system is installed, the system unbalance and the houses according to the note in the standard.
accumulation of the third harmonic can lead to shield currents
which can cause malfunction and fire. Antennas in buildings or underneath the roof
Antenna systems in a building and antenna systems which are
Internal lightning protection system located at least 2 m underneath the roof and do not protrude
An internal lightning protection system protects the content of more than 1.5 m from the wall (Figure 4) do not have to
a building, in particular the electrical systems and electronic be earthed via an earthing conductor. However, equipotential
devices. The main function of an internal lightning protection bonding must be established as described before.
system is to establish lightning equipotential bonding via the
4 mm2 copper conductor and the installation of surge protec- Building with lightning protection system
tive devices between the inner and outer conductor to avoid The following considerations have been made in conformity
sparking. with the protection goal of the IEC 62305-3 (EN 62305-3) light-

WP005/E/0515 © Copyright 2015 DEHN + SÖHNE 3

 Safety requirements for cable networks, remote
signals, sound signals and interactive services
White Paper

ning protection standard and the so-called “best solution(s)” Building without lightning protection system
of the antenna standard. Earthing measures for antennas do not ensure preventive
If buildings are equipped with a lightning protection system, lightning protection for buildings or any other structures.
the antenna system must be positioned in the protected vol- If buildings are not equipped with a lightning protection sys-
ume of an existing air-termination system (Figure 5) or pro- tem, the antenna mast must be earthed. The earthing conduc-
tected by an air-termination rod isolated by a DEHNiso spacer tor must be installed vertically in a straight line and must have
(Figure 6) or by a DEHNcon-H solution (Figure 7). In addi- a cross-section of at least 16 mm2 (copper), 25 mm2 (insulated
tion to establishing equipotential bonding as described before, aluminium) or 50 mm2 (steel) (Figure 8). The connections
in all these cases, the lowest point of the cable shields must of the equipotential bonding conductor, for example to pipe
be connected to the main earthing busbar via copper equipo- clamps and equipotential bonding bars, must be dimensioned
tential bonding conductors with a minimum cross-section of 4 for lightning currents and tested to IEC 62561-1 (EN 62561-1).
mm2 to reduce the risk of induction loops (Figure 3). The equipotential bonding conductor must be installed as far

≥2m
protective angle

4 mm2 Cu
4 mm2 Cu max. 1.5 m

Figure 4 Arrangement of antennas which do not have to be Figure 5 Antenna system located in the protected volume of an
earthed existing air-termination system

protective angle DEHNcon-H* protective angle

e.g. Part No. 819 250
(observe installation instructions)

GRP spacers
s

DEHNiso spacer
e.g. with pipe clamp
Part No. 106 225 4 mm2 Cu 4 mm2 Cu

Figure 6 Antenna system with an air-termination rod isolated by Figure 7 Antenna system with high-voltage-resistant, insulated
DEHNiso spacers (insulating clearance made of glass-fibre down conductor DEHNcon-H
reinforced plastic (GRP))

4 WP005/E/0515 © Copyright 2015 DEHN + SÖHNE

Safety requirements for cable networks, remote
signals, sound signals and interactive services
White Paper

as possible from conductors and earthed systems since in case

No. SPD Part No. of a lighting strike the same physical interactions occur that
DGA GFF TV 909 705 must be observed for keeping the separation distance in an
external lightning protection system. In addition, natural com-
DGA FF TV 909 703
ponents of the building / installation may be used as earthing
DFL M 255 924 396 conductor if they are permitted, electrically conductive and
have the same dimensions as standard earthing conductors.
Also in this case, equipotential bonding must be established
4 mm2 16 mm2 Cu as described before, however, without connecting the lowest
Cu point of the cable shields to the main earthing busbar (Figure
8).

The DEHNcon-H solution where the high-voltage-resistant,

PE terminal insulated down conductor is routed to the earth-termination
system provides more effective protection from the effects of
multiswitch
a lightning strike than earthing the antenna mast. The connec-
metal tion at the mast is made via the existing protective bonding
DIN rail conductor (Figure 9).

earth Building with broadband cable connection

connection
MEB If a broadband cable enters the building, lightning strikes
are to be expected. Therefore, only lightning current carrying
surge protective devices such as DEHNgate GFF TV are used
Figure 8 Antenna system with surge protective devices (Figure 10).

No. SPD Part No. No. SPD Part No.

DGA FF TV 909 703 DEHNgate DGA GFF TV 909 705
DFL M 255 924 396 connection DEHNgate DGA FF TV 909 703
EB connection DEHNflex DFL M 255 924 396

DEHNcon-H
...

PE
terminal terminal
amplifier block
multiswitch building entrance
metal facility
DIN rail

4 mm2 Cu

MEB
earth MEB
connection

Figure 9 Antenna system with high-voltage-resistant down conduc- Figure 10 Broadband cable connection with surge protective devices
tor DEHNcon-H and surge protective devices

WP005/E/0515 © Copyright 2015 DEHN + SÖHNE 5

 White Paper: Safety requirements for cable networks,
remote signals, sound signals and interactive services

DEHNflex

DFL M 255 (924 396)

■ Acoustic fault indication
■ Compact design
■ For use in flush-mounted systems, cable ducts and flush-type boxes

Figure without obligation

Basic circuit diagram DFL M 255 Dimension drawing DFL M 255

Surge arrester for use in all types of installation systems for terminal equipment; compact dimensions
Type DFL M 255
Part No. 924 396
SPD according to EN 61643-11 Type 3
SPD according to IEC 61643-1/-11 Class III
Nominal a.c. voltage (UN) 230 V
Max. continuous operating a.c. voltage (UC) 255 V
Nominal discharge current (8/20 µs) (In) 1.5 kA
Total discharge current (8/20 µs) [L+N-PE] (Itotal) 3 kA
Combined impulse (UOC) 3 kV
Combined impulse [L+N-PE] (UOC total) 6 kV
Voltage protection level [L-N] (UP) ≤ 1.25 kV
Voltage protection level [L/N-PE] (UP) ≤ 1.5 kV
Response time [L-N] (tA) ≤ 25 ns
Response time [L/N-PE] (tA) ≤ 100 ns
Max. mains-side overcurrent protection 32 A gL/gG or B/C 32 A
Short-circuit withstand capability for mains-side overcurrent
protection with 32 A gL/gG 6 kArms
Temporary overvoltage (TOV) [L-N] (UT) 335 V / 5 sec.
Temporary overvoltage (TOV) [L/N-PE] (UT) 400 V / 5 sec.
Temporary overvoltage (TOV) [L+N-PE] (UT) 1200 V + UCS / 200 ms
TOV characteristic [L-N] withstand
TOV characteristic [L/N-PE] withstand
TOV characteristic [L+N-PE] safe
Fault indication acoustic signal on
Number of ports 1
Operating temperature range (TU) -25°C...+40°C
2
Terminal wires 1 mm , 120 mm long
Enclosure material thermoplastic, red, UL 94 V-2
Place of installation indoor installation
Degree of protection of installed device IP 20
Dimensions 30 x 50 x 11 mm
Weight 32 g
Customs tariff number 85363010
GTIN 4013364091016
PU 1 pc(s)

6 WP005/E/0515 © Copyright 2015 DEHN + SÖHNE

 White Paper: Safety requirements for cable networks,
remote signals, sound signals and interactive services

DEHNgate

DGA FF TV (909 703)

■ Frequency range for analogue and digital TV, also suitable for reverse LAN channels
■ Arresters of type FF and GFF with integrated measuring output
■ Three types for adapted use in conformity with the lightning protection zone concept at the boundaries from 0A –2 (combined lightning current
and surge arresters of type GFF), 0A – 1 (lightning current arresters of type GF) and 1 – 2 (surge arresters of type FF)

Figure without obligation

Basic circuit diagram DGA FF TV Dimension drawing DGA FF TV

DGA ... TV are arresters with F connection for remote supply protect 75 ohm satellite and broadband cable systems and fulfil the high shielding
requirements of class A according to EN 50083-2. They allow space-saving installation in all common TV and satellite applications and are available
as lightning current arresters, surge arresters as well as combined lightning current and surge arresters with integrated measuring output for testing
installations.
Type DGA FF TV
Part No. 909 703
SPD class _
Max. continuous operating d.c. voltage (UC) 24 V
Nominal current (IL) 2A
D1 Lightning impulse current (10/350 µs) (Iimp) 0.2 kA
C2 Nominal discharge current (8/20 µs) (In) 1.5 kA
Voltage protection level for Iimp D1 (UP) ≤ 230 V
Voltage protection level for In C2 (UP) ≤ 300 V
Voltage protection level at 1 kV/µs C3 (UP) ≤ 60 V
Frequency range d.c. / 5-3000 MHz
Insertion loss 5-862 MHz typ. 1.2 dB
Insertion loss 862-2400 MHz typ. 1.4 dB
Insertion loss 2400-3000 MHz typ. 2 dB
Return loss ≥ 14 dB
Return loss (47-2400 MHz) ≥ 18 dB (-1.5 dB/octave)
Return loss test socket (5-47 MHz) ≥ 18 dB
Test socket connection loss 20 dB
Shield attenuation 5-300 MHz ≥ 85 dB
Shield attenuation 300-470 MHz ≥ 80 dB
Shield attenuation 470-1000 MHz ≥ 75 dB
Shield attenuation 1000-2400 MHz ≥ 55 dB
Characteristic impedance (Z) 75 ohms
Operating temperature range (TU) -40 °C ... +80 °C
Degree of protection (if lines are connected) IP 30
For mounting on 35 mm DIN rails acc. to EN 60715 or wall mounting
Connection (input / output) F socket / F socket
Earthing via DIN rail or screw connection
Enclosure material metal
Colour bare surface
Test standards IEC 61643-21 / EN 61643-21
Approvals GOST
Accessories 2x F plugs
Weight 233 g
Customs tariff number 85363090
GTIN 4013364085664
PU 1 pc(s)

WP005/E/0515 © Copyright 2015 DEHN + SÖHNE 7

 White Paper: Safety requirements for cable networks,
remote signals, sound signals and interactive services

DEHNgate

DGA GFF TV (909 705)

■ Frequency range for analogue and digital TV, also suitable for reverse LAN channels
■ Arresters of type FF and GFF with integrated measuring output
■ Three types for adapted use in conformity with the lightning protection zone concept at the boundaries from 0A –2 (combined lightning current
and surge arresters of type GFF), 0A – 1 (lightning current arresters of type GF) and 1 – 2 (surge arresters of type FF)

Figure without obligation

Basic circuit diagram DGA GFF TV – Dimension drawing DGA GFF TV – consisting
consisting of DGA GF TV and DGA FF TV of DGA GF TV and DGA FF TV
DGA ... TV are arresters with F connection for remote supply protect 75 ohm satellite and broadband cable systems and fulfil the high shielding
requirements of class A according to EN 50083-2. They allow space-saving installation in all common TV and satellite applications and are available
as lightning current arresters, surge arresters as well as combined lightning current and surge arresters with integrated measuring output for testing
installations.
Type DGA GFF TV
Part No. 909 705
SPD class H_
Max. continuous operating d.c. voltage (UC) 24 V
Nominal current (IL) 2A
D1 Lightning impulse current (10/350 µs) (Iimp) 2.5 kA
C2 Nominal discharge current (8/20 µs) (In) 10 kA
Voltage protection level for Iimp D1 (UP) ≤ 230 V
Voltage protection level for In C2 (UP) ≤ 300 V
Voltage protection level at 1 kV/µs C3 (UP) ≤ 60 V
Frequency range d.c. / 5-2400 MHz
Insertion loss 5-862 MHz typ. 1.7 dB
Insertion loss 862-2400 MHz typ. 1.9 dB
Return loss (5-8 MHz) ≥ 10 dB
Return loss (8-47 MHz) ≥ 14 dB
Return loss (47-2400 MHz) ≥ 18 dB (-1.5 dB/octave)
Return loss test socket (5-47 MHz) ≥ 18 dB
Test socket connection loss 20 dB
Shield attenuation 5-300 MHz ≥ 85 dB
Shield attenuation 300-470 MHz ≥ 80 dB
Shield attenuation 470-1000 MHz ≥ 75 dB
Shield attenuation 1000-2400 MHz ≥ 55 dB
Characteristic impedance (Z) 75 ohms
Operating temperature range (TU) -40 °C ... +80 °C
Degree of protection (if lines are connected) IP 30
For mounting on 35 mm DIN rails acc. to EN 60715 or wall mounting
Connection (input / output) F socket / F socket
Earthing via DIN rail or screw connection
Enclosure material metal
Colour bare surface
Test standards IEC 61643-21 / EN 61643-21
Approvals GOST
Accessories 2x F plug
Weight 283 g
Customs tariff number 85363090
GTIN 4013364105706
PU 1 pc(s)

8 WP005/E/0515 © Copyright 2015 DEHN + SÖHNE

 AL (819 250)
White Paper: Safety requirements for cable networks,

UV stabilized and weather resistant

remote signals, sound signals and interactive services

HVI LI
Cross section of core
RAL colour
Colour of conductor
Diameter Ø conductor
Length of supporting tube
Length of air-termination rod
Material of supporting tube
Material of conductor
Part No.

Figure without obligation

strip StSt 18 x 0.4 mm

4013364118232

similar to 7000
85389099

819 250
1955 mm

2055 mm

GRP / Al
228 km/h
600 mm

500 mm
≤ 45 cm

19 mm²
5,72 kg

grey ●
1 pc(s)

10 mm

20 mm
HVI light / DEHNiso distance holder

PVC
StSt
6m

PE

Cu
I 20 L6M SR2055 FSP500 AL (819 250)
HVI LI I 20 L6M SR2055 FSP500 AL (819 250)
Figure without obligation

Figure without obligation

Part No. 819 250

Material of conductor Cu
Part No. 819 250
Material of supporting tube GRP / Al
Material of conductor Cu
Length of air-termination rod 500 mm
Material of supporting tube GRP / Al
Length of supporting tube 2055 mm
Length of air-termination rod 500 mm
Diameter Ø conductor 20 mm
Length of supporting tube 2055 mm
Colour of conductor grey ●
Diameter Ø conductor 20 mm
RAL colour similar to 7000
Colour of conductor grey ●
Cross section of core 19 mm²
RAL colour similar to 7000
Equivalent separation distance s
Cross section of core 19 mm²
(in air) ≤ 45 cm
Equivalent separation distance s
Material
Figure withoutof insulation
obligation PE
(in air) ≤ 45 cm
Material of sheath PVC
Material of insulation PE
Characteristics of sheath UV stabilized and weather resistant
Material of sheath PVC
Connection
Part No. diameter 10 mm
819 250
Characteristics of sheath UV stabilized and weather resistant
Material
EB of conductor
connection cable strip StSt Cu
18 x 0.4 mm
Connection diameter 10 mm
supporting tube
Material of connection elements GRPStSt/ Al
EB connection cable strip StSt 18 x 0.4 mm
Length of order
Minimum air-termination
length rod 500
6m mm
Material of connection elements StSt
similar to 7000

Length
Max. gustof supporting
wind speedtube 2055 mm
228 km/h
819 250
2055 mm

GRP / Al

DIDH 16 530 RS40.60 V2A (106 225)

Minimum order length 6m
500 mm
19 mm²

grey ●
20 mm

Diameter
Max. free Ø conductor
length 20 mm
1955 mm
Cu

Max. gust wind speed 228 km/h

Colour
Min. of conductor
clamping length greymm
600 ●
Max. free length 1955 mm
RAL colour
Weight similar
5,72tokg7000
Min. clamping length
Cross section
Customs
Weight
tariff of core
number DIDH 16 530 RS40.60 V2A (106 225) 600 mm
19 mm²
85389099
5,72 kg
Equivalent separation distance s
GTIN
Customs
(in air) tariff number
DIDH 16 530 RS40.60 V2A (106 225) 4013364118232
85389099
≤ 45 cm
PU 1 pc(s)
GTIN
Material of insulation 4013364118232
PE
PU
Material of sheath 1PVC
DIDH 16 530 RS40.60 V2A (106pc(s)
225)
DIDH 16of 530
Characteristics sheath RS40.60 V2A (106 225) UV stabilized and weather resistant
Figure without obligation
Connection diameter 10 mm
EB connection cable strip StSt 18 x 0.4 mm
Material of connection elements StSt
Figure without obligation
Figure without obligation
Minimum order length 6m
Max. gust wind speed Figure without obligation 228 km/h
Part No. 106 225
Max. free length Part No. 1955 mm 106 225
Conductor holder support Rd Conductor holder support Rd 16 mm 16 mm
Min. clamping length Material of conductor holder 600 mm StSt
Material of conductor holder Length (l1)
StSt 530 mm
Weight 5,72 kg
Length (l1)
Figure without obligation
Part No.
Insulating distance (l2)
530 mm 106
445 mm
40-60 225
Customs tariff number 85389099
1
Clamping range of pipe mm (1 / -2") 4

Insulating distanceConductor (l2) holder support Rd Diameter Ø of spacer 445 mm 16 mm 16 mm

GTIN Part No. Colour of spacer 4013364118232 light grey (RAL 7035) ●
106 225
Clamping range of pipe Material of conductor holder Conductor leading
1
40-60 mm (1 /4-2") StStfixed
PU Conductor holder support Rd Rod / Conductor holder 1 pc(s) two-screw cleat 16 mm
Diameter Ø of spacer Length (l1) Material of spacer 530 mm GRP 16 mm
Material of conductor holder Material factor km 0.7 StSt
Colour of spacer Insulating distance (l2) Permanent temperature range light grey (RAL 7035) ● 445 -50 °Cmm
... +100 °C
Length (l1) 530 mm
Part
Conductor No. leading Material of fixing bush
106 225 40-60 mm (1
fixed
ZDC1
Clamping range ofInsulating
pipe StSt /4-2")
Conductor holder support Rd distance (l2) Material of fixing element
Type 16 mm UV stabilised and weather resistant
445 mm
Rod / Conductor holder Diameter Ø of spacer Max. gust wind speed mounting two-screw cleat 16 mm 1
Material of conductor holder Clamping range of pipe variant 2 StSt 130 km/h 40-60 mm (1 /4-2")
Material of spacer Colour of spacer Weight GRP light grey (RAL 684 g7035) ●
Length (l1) Diameter Ø of spacer Customs tariff number 530 mm 85389099 16 mm
Material factor km Conductor leading GTIN
0.7 fixed
4013364100299
Insulating distance (l2) Colour of spacer 445 mm light grey (RAL 7035) ●
Permanent temperature range
Rod / Conductor holder PU
-50 °C ... +100 °C two-screw 1 pc(s)
cleat
pipe of spacerConductor leading fixed
1
Clampingofrange
Material fixing ofbush 40-60 mmZDC 4(1 / -2")
Material GRP
Diameter Ø of spacer Rod / Conductor holder 16 mm two-screw cleat
Material of fixing element Material factor km StSt 0.7
Colour of spacer Material of spacer light grey (RAL 7035) ● GRP
Type Permanent temperature range UV stabilised and weather resistant
-50 °C ... +100 °C
Conductor leading Material factor km fixed 0.7
Max. gust wind speed mounting
Material of fixing bush ZDC
variant 2
Rod / Conductor holder Permanent temperature range 130 km/h
two-screw cleat -50 °C ... +100 °C
Material of fixing element StSt
Weight
Material of spacer Type Material of fixing bush 684
GRP g stabilised and weather resistant ZDC
UV
Customs tariff number
Material factor km Max. gust wind speed mounting Material of fixing element 85389099
0.7 StSt
GTIN
Permanent temperature variantrange
2 Type 4013364100299
-50 °C ... +100 °C 130 UV stabilised and weather resistant
km/h
PU
Material of fixing bush
Weight Max. gust wind speed mounting 1ZDC
pc(s) 684 g
variant 2 130 km/h
Material of fixing element
Customs tariff number StSt 85389099
Weight 684 g
Type GTIN UV stabilised and weather resistant
4013364100299
Customs tariff number 85389099
Max. gust wind speed
WP005/E/0515 © PU mounting
Copyright 2015 DEHN 1 pc(s) 9
variant 2 GTIN+ SÖHNE 130 km/h 4013364100299
Weight PU 684 g 1 pc(s)
Customs tariff number 85389099
 www.dehn-international.com/partners

Surge Protection DEHN + SÖHNE Hans-Dehn-Str. 1 Tel. +49 9181 906-0

Lightning Protection GmbH + Co.KG. Postfach 1640 Fax +49 9181 906-1100
Safety Equipment 92306 Neumarkt info@dehn.de
DEHN protects. Germany www.dehn-international.com

www.dehn-international.com/partners

Type designations of products mentioned in the white paper being at the same time registered trademarks are not especially marked. So if there is no marking of ™ or ® this does not
mean that the type designation is a free trade name. Neither it can be seen whether patents or utility models and other intellectual and industrial property rights are available. We reserve
the right to introduce changes in performance, configuration and technology, dimensions, weights and materials in the course of technical progress. The figures are shown without obligation.
Misprints, errors and modifications excepted. Reproduction in any form whatsoever is forbidden without our authorisation.
actiVsense, BLITZDUCTOR, BLITZPLANER, DEHN, DEHN Logo, DEHN schützt, DEHNbloc, DEHNfix, DEHNgrip, DEHNguard, DEHNport, DEHNQUICK, DEHNrapid, DEHNshield, DEHNsnap,
DEHNventil, HVI, LifeCheck, Red/Line are protected by German Trade Mark, by Community Trade Mark (EU) and/or in other countries.

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