Page 223 - Surge-Protection-E_0.pdf

SPDs for Building Systems

DEHNbox
• Combined lightning current and surge arrester
– Capable of carrying lightning currents up to 10 kA (10/350 µs)
– Low voltage protection level, capable of protecting terminal
equipment
– For installation in conformity with the lightning protection zone
concept at the boundaries from 0A – 2 and higher
• Easy to use
– Suitable for wall mounting
– Fast and easy installation due to spring-loaded terminals
– Easy retrofitting of surge protection
• Safe installation and operation (DBX TC B 180)
– Status indication for easy maintenance
– RJ45 connection possibility for plug & play
– Universal use up to 1 Gbit DEHNbox used for a telecommunication connection (example: Uk0 interface)

DEHNbox DEHNbox TC 180
The compact arresters of the DEHNbox product family are combined light- The arrester is optimised for use at telecommunication connections and
ning current and surge arresters designed for protecting information, devices such as analogue telephones as well as ISDN and VDSL2 connec-
measuring and control and automation equipment and systems. With its tions. With a cut-off frequency of 250 MHz, the arrester is also capable
surface-mounted plastic enclosure with integrated fixing lugs, DEHNbox of transmitting high-frequency signal parts and can thus be used at
is ideally suited for wall mounting and can be easily retrofitted into exist- high-performance signal interfaces. As an alternative, DEHNbox TC 180
ing equipment and systems. The IP 65 degree of protection allows can also be installed at measuring and control interfaces up to a voltage
DEHNbox TC 180 and DBX U4 KT BD S 0-180 to be used in harsh environ- of 180 V and a maximum current of 750 mA.
ments such as in moist atmospheres. The cable entries are designed as DEHNbox TC 180 enables the fast connection of one pair without tools
installation-friendly self-sealing rubber grommets. These grommets allow and makes it possible to use cable ties to fix the connection cable to the
easy and fast installation and prevent the ingress of moisture and dust. printed circuit board (strain relief). The connection space in the box and
Both the cores and an installed line shield can be contacted via the position of the terminals ensure optimal conductor routing and easy
spring-loaded terminals without the need for screws. DEHNbox is availa- conductor connection.
ble in three versions:
DEHNbox with actiVsense technology
DEHNbox TC B 180 This arrester type does not have a specific nominal voltage and can thus
DEHNbox TC B 180 has been specifically developed to meet the latest be used for voltages ranging from 0 to 180 V with a superimposed signal
requirements of telecommunication applications such as VDSL2 vec- voltage (± 5 V/50 MHz). The nominal current is limited to 100 mA which is
toring and G.fast (up to 1 Gbit). The main focus of this surge arrester sufficient for information technology systems. This innovative actiVsense
is, in addition to optimum protection of the terminal equipment, on technology allows the arrester to detect the signal voltage applied and
low-attenuation signal transmission and simple handling. Due to the to automatically adapt the voltage protection level to this voltage. This
special snap-in cover of the IP 20 enclosure, several arresters can be makes the arrester ideal for applications where changing or slowly fluctu-
locked together and screwed to the wall. The telephone line is mounted ating signal levels (≤ 400 Hz) are to be expected. In case of interference,
at the input without tools via push-in terminals. On the output side, the DEHNbox arresters have an adapted voltage protection level for every
connecting line can be connected to push-in terminals or an RJ45 socket, signal voltage, thus providing maximum protection for the devices and
depending on the application (mounting near the network termination or system circuits connected to them. The four-pole version of DEHNbox pro-
directly on the router). It is also possible to earth the cable shield directly vides protection for two different balanced interfaces, e.g. a bus interface
or indirectly. With a maximum continuous operating voltage of 180 V with a system voltage of 5 V and an analogue measured value signal with Building Systems
d.c. and a maximum operating current of 1 A, the DBX TC B 180 can also a system voltage of 24 V. The arrester is ideally suited for domestic and SPDs for
be universally used in non-telecommunications applications to protect industrial use in information technology transmission systems such as
measuring and control interfaces and other applications. telecommunication, bus and measuring and control systems.

Push-in terminals for fast connection RJ45 socket at the output for direct Visual status display (DBX TC B 180). Side-by-side mounting of several de-
without tools (DBX TC B 180) connection to the router vices thanks slide-in dovetail connec-
(DBX TC B 180). tions onthe enclosures (DBX TC B 180).

Valid as of August 1, 2020 You will find detailed product information on our website 219