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Home Enclosures Steel Enclosures & Junction Boxes Hoffman Steel Enclosures & Junction Boxes

Hoffman Steel Enclosures

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Steel enclosures are made with carbon or mild steel for indoor and outdoor enclosures. Carbon steel is a strong and cost-effective material however, it is susceptible to corrosion from exposure to moisture and oxygen. Carbon steel enclosures require a powder coating or paint to provide protection from the elements. 

Hoffman has the industry’s most comprehensive protection portfolio that meets global and local standards for a wide range of applications. The portfolio for enclosures that are available with mild steel construction include: Wall mount enclosures, junction boxes and free standing enclosures.

Hoffman wall mount enclosures include their INLINE and CONCEPT enclosures. INLINE enclosures have an outward formed body flange to prevent contaminants from entering the enclosure and are available in three cover styles: hinged solid door, hinged window door and solid screw cover. CONCEPT enclosures are ideal for machine control applications and offer the widest selection of sizes and include: single-door, window-door, two-door, flush-mount, sloped-top and EMC models.

Hoffman junction boxes are available in lift-off cover styles as well as hinged-cover models that feature a continuous hinge with clamps for secure latching. Quick-release and quarter-turn latch options are also available. 

Hoffman free-stand enclosures include one, two or multi door designs. Some are available with front and rear access and 3 point latches. The Universal free-stand enclosures can be configured to suit a variety of applications. Floor stands are available to provide floor clearance.

Products

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Hoffman ACLFDF Screw-Cover Enclosure Type 1 with Knockouts, 12x12x6, Gray, Steel
Hoffman ACLFDF Screw-Cover Enclosure Type 1 with Knockouts, 12x12x6, Gray, Steel
$88.40
Hoffman ACLFDF Unique keyhole screw slots in the coverAvailable with or without knockoutsVarious sizes of easy-to-remove concentric knockouts on all four sides of standard boxes with knockoutsOptional flush-mounted door frame availableOptional flush coversFlat, removable covers fastened with plated steel screwsProvision for groundingMounting holes on back of boxEnclosures are finished with paint over plated surfaces
Hoffman STB408012 IEC Terminal Box Mild Steel
Hoffman STB408012 IEC Terminal Box Mild Steel
$388.70
Hoffman STB408012 IEC Terminal Box Mild SteelThe mild steel terminal box range, STB, with a IP 66 protection degree, is available off the shelf in many different sizes. The STB range is well suited for demanding indoor environments. Water and dust are prevented from entering the terminal box, thus eliminating the risk for component failure, and with that, unnecessary downtime.
Hoffman STB406012 IEC Terminal Box Mild Steel
Hoffman STB406012 IEC Terminal Box Mild Steel
$361.40
Hoffman STB406012 IEC Terminal Box Mild SteelThe mild steel terminal box range, STB, with a IP 66 protection degree, is available off the shelf in many different sizes. The STB range is well suited for demanding indoor environments. Water and dust are prevented from entering the terminal box, thus eliminating the risk for component failure, and with that, unnecessary downtime.
Hoffman STB404012 IEC Terminal Box Mild Steel
Hoffman STB404012 IEC Terminal Box Mild Steel
$278.20
Hoffman STB404012 IEC Terminal Box Mild SteelThe mild steel terminal box range, STB, with a IP 66 protection degree, is available off the shelf in many different sizes. The STB range is well suited for demanding indoor environments. Water and dust are prevented from entering the terminal box, thus eliminating the risk for component failure, and with that, unnecessary downtime.
Hoffman STB306012 IEC Terminal Box Mild Steel
Hoffman STB306012 IEC Terminal Box Mild Steel
$308.10
Hoffman STB306012 IEC Terminal Box Mild SteelThe mild steel terminal box range, STB, with a IP 66 protection degree, is available off the shelf in many different sizes. The STB range is well suited for demanding indoor environments. Water and dust are prevented from entering the terminal box, thus eliminating the risk for component failure, and with that, unnecessary downtime.
Hoffman STB305012 IEC Terminal Box Mild Steel
Hoffman STB305012 IEC Terminal Box Mild Steel
$266.50
Hoffman STB305012 IEC Terminal Box Mild SteelThe mild steel terminal box range, STB, with a IP 66 protection degree, is available off the shelf in many different sizes. The STB range is well suited for demanding indoor environments. Water and dust are prevented from entering the terminal box, thus eliminating the risk for component failure, and with that, unnecessary downtime.
Hoffman STB304012 IEC Terminal Box Mild Steel
Hoffman STB304012 IEC Terminal Box Mild Steel
$231.40
Hoffman STB304012 IEC Terminal Box Mild SteelThe mild steel terminal box range, STB, with a IP 66 protection degree, is available off the shelf in many different sizes. The STB range is well suited for demanding indoor environments. Water and dust are prevented from entering the terminal box, thus eliminating the risk for component failure, and with that, unnecessary downtime.
Hoffman STB303012 IEC Terminal Box Mild Steel
Hoffman STB303012 IEC Terminal Box Mild Steel
$198.90
Hoffman STB303012 IEC Terminal Box Mild SteelThe mild steel terminal box range, STB, with a IP 66 protection degree, is available off the shelf in many different sizes. The STB range is well suited for demanding indoor environments. Water and dust are prevented from entering the terminal box, thus eliminating the risk for component failure, and with that, unnecessary downtime.
Hoffman STB303008 IEC Terminal Box Mild Steel
Hoffman STB303008 IEC Terminal Box Mild Steel
$185.90
Hoffman STB303008 IEC Terminal Box Mild SteelThe mild steel terminal box range, STB, with a IP 66 protection degree, is available off the shelf in many different sizes. The STB range is well suited for demanding indoor environments. Water and dust are prevented from entering the terminal box, thus eliminating the risk for component failure, and with that, unnecessary downtime.
Hoffman STB208012 IEC Terminal Box Mild Steel
Hoffman STB208012 IEC Terminal Box Mild Steel
$297.70
Hoffman STB208012 IEC Terminal Box Mild SteelThe mild steel terminal box range, STB, with a IP 66 protection degree, is available off the shelf in many different sizes. The STB range is well suited for demanding indoor environments. Water and dust are prevented from entering the terminal box, thus eliminating the risk for component failure, and with that, unnecessary downtime.
Hoffman STB206012 IEC Terminal Box Mild Steel
Hoffman STB206012 IEC Terminal Box Mild Steel
$256.10
Hoffman STB206012 IEC Terminal Box Mild SteelThe mild steel terminal box range, STB, with a IP 66 protection degree, is available off the shelf in many different sizes. The STB range is well suited for demanding indoor environments. Water and dust are prevented from entering the terminal box, thus eliminating the risk for component failure, and with that, unnecessary downtime.
Hoffman STB205012 IEC Terminal Box Mild Steel
Hoffman STB205012 IEC Terminal Box Mild Steel
$219.70
Hoffman STB205012 IEC Terminal Box Mild SteelThe mild steel terminal box range, STB, with a IP 66 protection degree, is available off the shelf in many different sizes. The STB range is well suited for demanding indoor environments. Water and dust are prevented from entering the terminal box, thus eliminating the risk for component failure, and with that, unnecessary downtime.

 

Before mounting to any surface, it is important to understand how the hardware will interface with the enclosure. In many cases, the enclosures will have holes at the corners that can be used to attach any mounting hardware. It is common to see a mounting strut, commonly referring to as a Unistrut, being used with these electrical enclosures. The Unistrut can attach to the enclosure and provide a very strong connection point to either a wall, concrete or pole mount.
 

When mounting to a concrete wall, there are several things that should be considered to ensure it is done correctly. Industrial concrete anchors provide a very strong and reliable connection that can last a very long time. Make sure that the concrete is thick and strong enough for these types of anchors. Once the anchors have been installed, attach them to the mounting strut that is attached to the enclosure using hardware that is designed for that particular type of mounting strut. 

When installing an electrical enclosure on a pole or mass, it is important to make sure that the pole can handle the weight of the enclosure. It is recommended that the pole is made of a very strong rigid material. At least two inch rigid galvanized conduit is recommended. Once the pole has been secured into the ground, strut clamps designed for the size of conduit will attach the enclosure.

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