Combined arrestor for telecom systems
20 May 2015
Circuit & System Protection
The arrestor has been optimised for general installation on telecommunication connections and devices such as analog telephones, ISDN and xDSL. Field tests have shown that the arrestor can even be used for high-performance VDSL2 connections.
With the DEHNbox, surges are limited to an acceptable level for the connected terminal equipment without interfering with the data signal. It can be retrofitted thanks to its surface-mounted enclosure which is ideally suited for wall mounting.
The cables lead into the enclosure via a self-sealing rubber grommet, which not only allows fast and easy installation but also prevents the penetration of moisture and dust. The cable cores (solid and flexible with wire end ferrule) and the earthing conductor can be connected by inserting them into the spring-loaded terminals of the fast connection system without tools. An additional, separate terminal allows direct connection to the cable shield of the equipotential bonding system.
The DEHNbox TC 180 protects one balanced data interface (ISDN, analog telephones, xDSL) and has a high lightning current discharge capacity of 2,5 kA (10/350 μs) per line. The arrestor can be installed in lightning protection zone boundaries from 0A to 2 and higher. Its cut-off frequency of 250 MHz ensures transmission of high-frequency signals. With its IP65 degree of protection, it can be installed in almost all environments.
For more information contact Dehn Protection South Africa, +27 (0)11 704 1487, [email protected], www.dehn-africa.com
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