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Fieldbus device coupler for hazardous areas

-- 1 December 2006

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The TG300 TRUNKGUARD Device Couplers from MooreHawk make connecting FOUNDATION Fieldbus H1 or PROFIBUS PA fieldbus devices in Zone 1 and 2 hazardous locations easy and inexpensive compared to traditional methods, allowing live access for maintenance without de-powering the segment and eliminating the need for expensive Exd/Flameproof junction boxes. The TG300 Device Couplers are available in models that individually handle four or eight fieldbus devices; additional devices can be accommodated by connecting the TG300’s TRUNKOUT connection to any adjacent TG300 TRUNK-IN connection. TG300 units can be linked together to power as many devices as the segment can support. Special features for Zone 1 and 2 installations include a key-operated magnetic interface that allows individual fieldbus devices to be de-energized and worked on without de-powering the entire segment.
www.miinet.com

           

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