Fieldbus Surge Protector

Fieldbus Surge Protector

Pepperl+Fuchs Process Automation


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Fieldbus Surge Protector TPH-LBF-IA1.36.DE.1

The FieldConnex® Surge Protector series TPH-LBF*, TCP-LBF* and SCP-LBF*
protect fieldbus components and control units from damage caused by voltage
surges and secondary lightning strikes. Surge voltages between the fieldbus wire
(plus and minus) and between either wire and ground will be safely limited in an
‘over-voltage’ event.
Versions are available where the cable shield is either directly connected to earth
or indirectly through a gas discharge tube. The Surge Protectors are designed for
use in fieldbus communication topologies according to IEC 61158-2. They
conform to IEC 60079-11: FISCO and Entity concepts and are also "DART
Intrinsically Safe Compatible" (models without diagnostics). The Surge Protectors
allow the coordinated use in an "EMC-orientated Lightning Protection Zones
Concept", in accordance with IEC 61312-1. The protective effect is adapted to the
EMC interference immunity (conducted high-energy interference impulses) for
fieldbus measuring, control, and equipment.

 

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