Corrosion Resistant Aluminum Enclosures from Hammond Manufacturing

April 20, 2026

When environments get harsh, enclosures need extra durability. Hammond’s NEMA 4X aluminum enclosures are a lightweight option, offering many models and sizes along with numerous features ensuring corrosion resistance. Their Aluminum enclosures will provide long-term protection of critical components. 

Solutions in Stock for Most Applications.

Hammond offers an extensive selection of aluminum and cast aluminum enclosures as standard products – with multiple series available and hundreds of unique sizes. Hammond’s wide variety allows most applications to be satisfied quickly and effectively, with a commitment to offering high levels of inventory on hand.

Aluminum Product Overview

Junction Boxes and Wallmount Enclosures

Both of these options offer the following features

• Provide protection where equipment may be hosed down or otherwise be very wet, or in specific applications where corrosion may be a problem.
  
• Smooth, continuously welded seams, without knockouts, cutouts, or holes.
  
• Formed lip on enclosure to exclude flowing liquids and contaminants.
  
• Seamless poured-in place gasket.
  
• Welded brackets provide for enclosure mounting. 
  
• A bonding stud is provided on the door and a grounding stud is provided in the enclosure.
  
• Type 4X approved

Junction Boxes

• Continuous hinge and door secured with quarter turn or lift off cover with clamps
  
• All models larger than 4″ x 4″ include a removable 14 gauge inner panel.
  
• Sizes up to 16″x14″

Wallmount Enclosures

• Door and body stiffeners are provided in the larger enclosures for extra rigidity.
  
• Aluminum continuous hinge on door may be removed by pulling the alum­inum hinge pin.
  
• Door is secured with easily operated aluminum clamps.
  
• Provision for padlocking
  
• Removable 12 gauge steel inner panel is included, collar studs are provided for mount­ing inner panels.
  
• Sizes up to 60″x36″

Diecast Aluminum Enclosures

• Watertight, Thick wall + UL Listed 
  
• Hundreds of sizes and option available
  
• 16-gauge galvanized steel inner panels are optional and available for most sizes 
  
• Available unfinished or powder coated 
  
• Captive stainless steel lid screws
  
• Type 4X and 4X/6P approved model options
  
• Temperature Range (-40ºC up to +80ºC)
  
• Sizes up to 12″x25″ 

Aluminum Modification Services

Field modifications can take time – Hammond can provide factory modifications that maintain relevant approvals and save valuable installation time and money in the field.

• Holes and cutouts can be pre-cut.
  
• Sizes can be modified (subject to approvals)
  
• Additional internal mounting studs and stand-offs can be added.
  
• Quarter turn option available on some models.