Application-optimised DEHNshield Combined Arrester
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1 with remote signal- NEW ling contact (FM) Application-optimised Combined Arrester
2 2 protects residential buildings and special applications
3 Ideally suited for residential buildings is a space-saving and application-optimised protection solution for residential buildings. It can be optimally integrated in this field of application without requiring an additional backup fuse*. Installation upstream of the meter panel is fully compliant with the German VDN directive and can thus be installed upstream of the meter panel. This is a significant advantage compared with type 1 varistor-based arresters. Space savings takes up only 4 standard DIN modules and is thus suited for restricted installation situations. Moreover, no additional backup fuse is required up to 160 A. Protection of terminal devices Due to the wave breaker function, reduces the lightning impulse to a minimum, thus preventing negative interaction with the electrical installation. Easy remote monitoring can be easily remotely monitored thanks to the floating remote signalling contact. Optimised protective effect can be connected in series using the STAK 25 terminal, thus ensuring maximum system protection. Numerous fields of application: Buildings with external lightning protection system according to class of LPS III / IV Buildings without external lightning protection system with roof-mounted structures, e.g. antennas or satellite systems** Buildings without external lightning protection system where power is supplied through an overhead line** For protecting outdoor electrical loads, e.g. outdoor lights, charging stations for electric vehicles, barriers * In case if system backup fuses are up to 160 A. ** Recommended according to VdS 2031: Lightning and surge protection in electrical installation. 3
4 lives up to what other arresters promise: Protection of terminal equipment thanks to spark gap technology Spark gap: Comprehensive protection Reduction of the impulse time thanks to wave breaker function Almost no energy load on terminal equipment (red area) Varistor: Insufficient protection Current flows through the terminal equipment over the entire duration of 10/350 μs impulse currents Energy overload or even destruction of terminal equipment (red area) i [ka] total current i [ka] total current current flowing into the device to be protected current flowing through combined arrester (spark gap) current flowing into the device to be protected current flowing through combined arrester (varistor) t [ms] t [ms] Only spark-gap-based combined arresters combine lightning equipotential bonding and protection of terminal equipment in a single device. Benefits of a spark-gap-based arrester over a varistor-based arrester with spark gap Type 1 arrester with varistor Energy coordination with type 1 + type 2 + type 3 arresters Protection of terminal equipment Reduction of the impulse time thanks to wave breaker function No leakage currents and thus ideally suited for use upstream of the meter panel 4
5 with remote signal- NEW ling contact (FM) : Application-optimised combined arrester Application-optimised and prewired spark-gap-based type 1 + type 2 combined arrester With remote signalling contact for remote monitoring Compact and space-saving design thanks to spark gap technology without venting means with a width of 1 standard DIN module / pole Fulfils minimum requirements on the lightning discharge capacity according to IEC No negative interaction with the electrical installation Compact lightning equipotential bonding and protection of terminal equipment High lightning current discharge capacity up to 50 ka (10/350 µs) class of LPS III Green/red operating state/fault indication Technical data Nominal voltage (a.c.) U N Max. continuous operating voltage (a.c.) U C Lightning impulse current (10/350 µs) I total Lightning impulse current (10/350 µs)/pole I imp Voltage protection level U P 230/400 V 255 V 25/50 ka 12.5 ka 1.5 kv types DSH TNS 255 DSH TNS 255 FM DSH TT 255 DSH TT 255 FM Follow current extinguishing capability I fi 25 ka rms Max. mains-side overcurrent protection Type of remote signalling contact 160 A gl/gg Changeover contact DSH TNC 255 DSH TNC 255 FM Approval KEMA DSH TN 255 DSH TN 255 FM Accessories for STAK DSH TT 2P 255 DSH TT 2P 255 FM
6 Residential buildings: Installation in the main distribution board (meter panel) wird von SOD retuschiert kwh (Beschriftung ) kwh VNB SEB MEB VNB SEB MEB For buildings with external lightning protection system*. For buildings without external lightning protection system with roof-mounted systems, for example antennas**. SEB kwh kwh MEB VNB SEB MEB 6 For buildings without external lightning protection system where power is supplied through an overhead line**. * fulfils minimum requirements of IEC : Low-voltage electrical installations ** according to VdS 2031: Lightning and surge protection in electrical systems One of the mentioned conditions applies to a building in close proximity. SEB: Service Entrance Box / MEB: Main Earthing Busbar / VNB: Utility
7 ~ Special applications: Installation at the transitions of lightning protection zones = NSHV VNB HES For connecting outdoor electrical loads (LPZ 0 A ) to the power supply system in the main building, for example, outdoor lighting, charging stations for electric vehicles or barriers. 7
8 Surge Protection Lightning Protection Safety Equipment DEHN protects. DEHN + SÖHNE GmbH + Co.KG. Hans-Dehn-Str. 1 P. O. Box Neumarkt Germany Phone Fax info@dehn.de Follow us on Facebook, LinkedIn, YouTube, Google+, Xing. For information on our registered trademarks, please visit We accept no liability for technical modifications, misprints and errors. Illustrations are not binding. DS193/E/0716 Copyright 2016 DEHN + SÖHNE
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