Hoffman ZONEX enclosures meet European ATEX requirements

February 182008
Hoffman ZONEX enclosures meet European ATEX requirements
Anoka, MN - February 18, 2008 - Hoffman announces ATEX-certified ZONEX Enclosures, designed for use in potentially hazardous locations where allowable protection methods include increased safety per ATEX Directive 94/9/EC. ZONEX Enclosures are suitable for use in Zone 1 and Zone 2, EEx e, increased safety applications. ZONEX Enclosures also provide the installed components with IP66/NEMA 4X environmental protection.

“‘Increased safety’ deals with controlling (limiting) the arc or spark of components installed so as to eliminate the possibility of igniting a gas or dust in the environment, as well as controlling the surface temperature of the enclosure,” explains Greg Quick, Hoffman product manager. “ZONEX Enclosures that are factory populated with terminal blocks and ATEX Certified have limits on the number of terminal blocks installed. By limiting the number of terminal blocks installed, the amount of heat generated by the wire and installed components is controlled. Controlling the temperature rise maintains the enclosure surface temperature below defined limits, which eliminates spontaneous combustion due to the known flash points of certain gases and dusts.”

ZONEX Enclosures are fabricated from Type 316 stainless steel, which provides superior corrosion resistance in most environments, and the silicone gasket offers exceptional sealing and temperature performance. Side mounted slotted mounting brackets allow easy one-person mounting and installation. Standard enclosures with either one or three gland plates allow for easy modification and wiring, and a lift-off door allows full access to components inside.

ZONEX Enclosures can be purchased as certified components only, which are standard catalog offerings, or Hoffman can provide certified populated and modified enclosures—configured with ATEX-certified terminal blocks, stopping plugs, and drains combined with customer-specified holes, cutouts, and markings. Hoffman offers ZONEX with industry leading availability, with standard ZONEX models available in two weeks or less and modified enclosures in eight weeks.

Applications. ZONEX Enclosures deliver a robust solution for terminal and junction enclosure applications in potentially hazardous locations, including:
  • Petroleum and chemical processing
  • Water treatment processing
  • Pharmaceutical processing
  • Grain processing

    In addition, several features and benefits of the ZONEX Enclosure make it particularly safe and simple to use:
  • Certified to ATEX Directive 94/9/EC design standards for use in “increased safety” Zone 1 and Zone 2-rated applications
  • Available as a certified standard catalog item
  • Modification with certification available per customer requests (Modification Services)
  • Fabricated from Type 316 stainless steel for corrosion resistance
  • Silicone gasket provides exceptional sealing and temperature performance
  • Includes 3 mm double-bit insert for enhanced security
  • Mounts and installs easily with slot and through-hole side-mount hanging brackets
  • Removable gland plates for ease of modification
  • Lift-off door hinges for easy access
  • Industry leading availability

    About Hoffman
    Hoffman, based in Anoka, Minn., is a leading designer and manufacturer of systems that safely and reliably protect the electronic and electrical controls in industrial, data communication and commercial construction applications. With more than 60 years of experience, extensive technical expertise and a vast distribution network, Hoffman is recognized as an industry leader providing a broad range of standard, modified and custom enclosure solutions to customers worldwide. Hoffman is a member of the Pentair Technical Products Group, which also includes Pentair Electronic Packaging, Schroff, Pentair Enclosures Europe, Pentair Enclosures Asia, and McLean Thermal.
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