Page 195 - Surge-Protection-E_0.pdf
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Compact SPDs – DIN Rail Mounted
BLITZDUCTOR VT
• Cost-effective protection of stranded signal lines
• Interface-specific versions, e.g. RS485 or telecommunication
systems
• Versions for d.c. power supply systems and cathodic protection
Compact SPDs – DIN Rail Mounted
Compact DIN rail mounted surge protective device with screw terminals for
stranded lines.
BLITZDUCTOR VT is a family of compact DIN rail mounted arresters and The devices are designed for operation in case of permanent interference
consists of different types of enclosure with different connection methods. voltages up to 65 V a.c. between the pipeline and earth. If this value is
Devices are, for example, available for protecting four-wire signal inter- exceeded, the relevant touch protection regulations must be observed and
faces with screw connections or for the terminal equipment of telecom- further measures taken.
munication systems and telephone systems with RJ connection. All types The devices can be overloaded with overcurrents resulting from mains
can be mounted on DIN rails and are earthed via a screw terminal. faults (short-circuit or earth fault). For this reason, installation in a sepa-
In cathodic protection systems, the protective circuit and the voltage rate metal housing is recommended. Thermal overload of the discharge
measuring circuit are protected against surge impulses resulting from paths is signalled by the integrated remote signalling contact.
atmospheric discharges (lightning strikes) or switching operations (in Different types of BLITZDUCTOR VT arresters are available depending on
power supply lines). the application.
BVT version with a width of 1.5 mod- BVT version with a width of <3 mod- BVT version with a width of 1.5 mod- BVT version for protecting active cor-
ules and screw terminals: ules and screw terminals: ules and RJ connection: rosion protection systems.
BVT AVD / ALD: BVT RS485 specifically designed for BVT TC1 for protecting telecommuni-
Two protected lines for d.c. power protecting RS485 / RS422 interfaces. cation interfaces.
supply systems
Valid as of August 1, 2020 You will find detailed product information on our website 191