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DIN-Rail Terminal Block System Wiring up to Ex Area

Editor: Dr. Jörg Kempf

X-Com S from Wago is the first pluggable DIN-rail terminal block system with “nA” type of protection that can be used in Zone 2 hazardous areas.

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Approval for use in Zone 2 Ex area now greatly expands the range of applications for Wago’s pluggable X-Com S DIN-rail terminal block system.
Approval for use in Zone 2 Ex area now greatly expands the range of applications for Wago’s pluggable X-Com S DIN-rail terminal block system.
(Picture: Wago)

Approval for use in Zone 2 Ex area now greatly expands the range of applications for Wago’s pluggable X-Com S DIN-rail terminal block system. With a maximum wire size of 2.5 mm2 (AWG 14), they are designed for a nominal current of 20 A.

Compared to standard X-Com S components, the shorter locking lever, which is factory-mounted on the female plug, makes accidental disconnection even more difficult. Removing the female plugs is only possible using an operating tool, providing additional safety particularly for sensitive applications in hazardous areas. X-Com S for Ex applications will be available in 1- to 15-pole configurations in gray, blue and green-yellow.

Each Ex module is subjected to a high voltage test during the manufacturing process. The modular design provides many possibilities to create custom female plug assemblies. Connectors can be prepared regardless of the final installation requirements and pre-assembled groups can be tested prior to installation. Groups having the same number of poles can be mechanically coded, preventing any mismating.

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