Zonex Enclosures

What is Zonex


Zonex enclosures provide the robust solution for the termination and junction enclosure application in potentially hazardous location including :-

  • Petrol pump & technical processing

  • Water treatment processing

  • Pharmaceutical processing

  • Grain processing


Hoffman excels at modifying and customizing ZONEX products to your specifications while maintaining ATEX and IECEX certifications. Contact your local Hoffman sales office or distributor for complete information. Hoffman offers:

 • Material changes: Type 304 stainless steel, aluminum and mild steel

• Gasket changes: High-temperature silicone gasket

• Holes and cutouts

• Paint

• DIN rails

• Terminal block installation and marking

• Side-mount-brackets available

• Ground bars

• Tagging

• Accessory installations

• Zero to four gland plates*

* Hinge-cover enclosures only.


It is assumed that the hazardous atmosphere penetrated to the enclosure interior and explosion is prevented by ensuring that either in normal operation or under fault conditions:

• There are no arcs or sparks

• No components or parts temperatures exceed the temperature limit of the corresponding temperature class

 Zonex Screw cover

  • Type  316 Stainless #4 brushed finish on Exterior surface

  • Welded on full width top & bottom wall mount brackets for easy installation

  • 6mm internal/external brass bonding  provision

  • Type 316 stainless steel captivated cover screws for corrosion resistance .

  • One piece continous gasket for protection against water & dust ingress

  • Internal welded nuts provided for panel or DIN railway installation

Zonex hinge cover


  • Type 304  stainless steel slotted ¼ turn inserts for easy access and closure

  • 210 degree opening doors that is easily removed by pulling clip style hinge pins

  • Heavy duty 3mm(12 gauge ) welded on wall mounting brackets on the top & bottom for easy site installation

  • 3mm thick (12 gauge ) full size bottom glade plate with bonding stud

  • Fabrication & formed entries for glade plate for protection against water & dust ingress.

  • 10mm brass internal /external bonding provision.