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Surge protection for four signal wires
20 January 2010, Circuit & System Protection
The new Linetrab surge protection devices from Phoenix Contact provide effective surge protection and help to prevent costly downtimes. The narrow surge arresters protect up to four signal wires with diameters of 6,2 mm. When connected in the appropriate manner, it is possible to provide surge protection for four-cable measurements using just a single module.
Normal mode surge protection between the signal wires can be extended to almost any degree across multiple modules using a bus adapter for mounting rails. This can provide effective protection for interfaces with more than four signals (eg, for six-line measurements). Since the surge-resistant PE snap-in foot establishes a local equipotential bond already during assembly, this saves both time and money. For more information contact Tony Rayner, Phoenix Contact, +27 (0)11 801 8200, tonyr@phoenixcontact.co.za, www.phoenixcontact.co.za |
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