Hazardous Location Enclosures

ZonEx ATEX/IECEx Certified Enclosures for Explosive Atmospheres

nVent HOFFMAN hazardous location enclosures are designed and certified to meet ATEX Directive 2014/35/EU as well as IECEx and AEx standards for increased safety in housing electrical components in Zone 1 and Zone 2 applications. Built from 316 stainless steel for maximum corrosion resistance in harsh chemical environments.

ATEX IECEx Type 4X IP66
Hoffman Hazardous Location Enclosure
Hoffman Enclosures, an nVent brand, is proudly distributed by Gross Automation LLC.

ZonEx Enclosure Series

ZonEx ATEX IECEx Hinged Enclosure

ZonEx ATEX IECEx Type 4X Hinged 316SS EXE Design

Hinged door design for easy access to internal components. Features quick-release latches and continuous hinge construction. Ideal for applications requiring frequent access for maintenance or adjustment.

  • 316L Stainless Steel Construction
  • NEMA Type 4X / IP66 Rating
  • Zone 1 & Zone 2 Certified
  • Hinged Door with Quick-Release Latches
  • Silicone Gasket Seal
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ZonEx ATEX IECEx Screw Cover Enclosure

ZonEx ATEX IECEx Type 4X Screw Cover 316SS

Screw cover design provides enhanced security and tamper resistance. Multiple screw fasteners ensure uniform gasket compression around the entire perimeter. Best for applications requiring secure, sealed access.

  • 316L Stainless Steel Construction
  • NEMA Type 4X / IP66 Rating
  • Zone 1 & Zone 2 Certified
  • Screw Cover with Captive Fasteners
  • Enhanced Tamper Resistance
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Available Models

Hoffman hazardous location enclosures are available in multiple sizes to meet your application requirements:

Catalog Number Description Typical Applications
A10D84 Hazardous Location Enclosure - Compact Terminal boxes, small junction applications
A12D106 Hazardous Location Enclosure - Small Control stations, small instrument housings
A12D128 Hazardous Location Enclosure - Small/Medium Instrumentation, small control panels
A16D128 Hazardous Location Enclosure - Medium PLCs, motor starters, control systems
A16D168 Hazardous Location Enclosure - Medium Drive enclosures, larger control systems
A20D168 Hazardous Location Enclosure - Large Multi-component installations
A20D208 Hazardous Location Enclosure - Large Large control panels, MCC sections
A24D208 Hazardous Location Enclosure - Extra Large Complete control systems
A24D2410 Hazardous Location Enclosure - Extra Large Full-size control cabinets

Technical Specifications

Construction

  • Material: 316L Stainless Steel (body and door)
  • Finish: #4 brushed finish standard
  • Gasket: Silicone (oil-resistant options available)
  • Hardware: Stainless steel fasteners

Environmental Ratings

  • NEMA: Type 4, 4X, 12
  • IP Rating: IP66
  • Temperature: -40°F to +185°F (-40°C to +85°C)

Certifications

  • ATEX: Directive 2014/35/EU
  • IECEx: International certification
  • Zone Rating: Zone 1, Zone 2, Zone 21, Zone 22
  • Gas Groups: IIA, IIB, IIC
  • Dust Groups: IIIA, IIIB, IIIC

Features

  • Increased safety "e" construction
  • Ex e II protection method
  • Continuous piano hinge (hinged models)
  • External mounting feet
  • Ground stud provisions

Common Applications

Oil & Gas

  • Wellhead control panels
  • Pipeline monitoring stations
  • Refinery instrumentation
  • Tank farm controls

Chemical Processing

  • Reactor control systems
  • Solvent handling areas
  • Paint manufacturing
  • Petrochemical plants

Marine & Offshore

  • Offshore platforms
  • Ship engine rooms
  • LNG terminals
  • Port facilities

Need Assistance with Hazardous Location Enclosures?

Our team can help you select the right enclosure for your specific classification.

Browse ZonEx Enclosures Call (262) 252-1600

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