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Porta
Systems' Gas Tube Protector Modules are dependable plug-in devices
that guard sensitive telecommunications systems from dangerous voltage
surges
The gas tubes utilize a
three-element
design which prevents destructive line-to-line metallic over-voltages
protecting PBXs and key systems as conventional two-element gas tubes
cannot.
The modules include a heat-activated
fail-safe mechanism that provides additional protection against power
crosses. Internal test points allow easy test access to the outside plant.
Modules are also equipped with a secondary air gap for backup protection.
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