Stainless steel enclosure for Ex e solution portfolio

26th April 2021
Alex Lynn

Pepperl+Fuchs has introduced the SR series. The new stainless steel enclosure series joins the GR series, made of glass fibre-reinforced plastic, in the range of the process automation specialist. The new series tops off a portfolio of highly flexible and cost-effective control and distribution solutions in type of protection Ex e (Increased Safety).

Initially, several versions of remote I/O enclosures will be available following the market launch of the SR series, which is geared toward the requirements of the oil and gas, chemical, and pharmaceutical industries. These versions will be continuously supplemented by further options, such as terminal boxes and control stations, control units, switch disconnectors and safety switches, and fieldbus solutions, so that users can benefit from a complete portfolio in the future.

The SR series - in durable stainless steel - comprises more than 30 enclosure sizes to meet the precise dimension requirements of every intended use. To further increase cost effectiveness, the IP66 / NEMA 4X enclosures are always reduced to a basic version. Any accessories, such as gland plates, hinges, ¼ turn locks, and lid security, are only integrated by Pepperl+Fuchs in accordance with the corresponding customer specification. Various international approvals permit worldwide use in a whole host of applications.

Depending on the application requirements, the enclosures, which are certified for a temperature range of -60 to +120°C, can be mounted vertically or horizontally in the operating location. All SR series versions that are suitable for wall mounting can be screwed in directly using mounting brackets that rotate by 90° or rivet nuts, without further adaptation. If the SR series is used as a control station, the contact blocks can be fixed either to a rail or directly to the enclosure cover.

In strategic and technological terms, the SR series complements the established GR series as an addition to the Pepperl+Fuchs portfolio. The GR series comprises a range of IP66 / NEMA 4X enclosures made of glass fiber-reinforced, antistatic, highly resistant polyester. The UV-stabilised material is highly durable and offers excellent corrosion resistance.

The innovative design of the GR series makes mounting considerably easier: decoupled mounting steps mean that even large and heavy enclosures can be installed by a single person. Like the SR series, the GR series offers many different dimensions and options to cover a wide range of application requirements.

The two Ex e enclosure series are linked by Pepperl+Fuchs' overarching service concept, which focuses on maximising vertical integration and providing extensive support for users at all times. In addition to the regional field service, customers have access to product specialists in six globally distributed Solution Engineering Centers (SECs) who can assist with everything from the preparation of quotations to the engineering, design, and certification of customised control and distribution solutions.

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