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Electrical Enclosures

Enclosures 
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PANEL 48 X 36

PANEL 48 X 36

Item #: NP4836

Brand: Wiegmann

Back Panel (N1/3R/4/12) 45X33 Carbon Steel - White

Fabricated from carbon steel; Painted with white polyester powder; Steel panels are 12 gauge. Panel with any side over 20.00” has 3/4” flange on all sides. Steel panels are painted white smooth hybrid. Panels fit the following enclosures: NEMA 1, Large (NIC); NEMA 3R, hinged Cover (RHC, Large); NEMA 4, 412, & 4X Single Door (N12, N4, N412, SSN4, SSN43PT, SSN43PTW); NEMA 12, 2-Door Wall-Mount (WAWF), Single Door; Right Flange Disconnect (SDN12, ABM12); Large JIC (B-CH, Large) Single door N12.

$372.00 /EA
NOT CURRENTLY IN STOCK
Console 36x48x20

Console 36x48x20

Item #: WC1248BD

Brand: Wiegmann

N12 Double Door Console Body 36X48X20 Carbon Steel - Gray

The large sloping control panel is hinged along the bottom edge; Seams are continuously welded and ground smooth; Fabricated from carbon steel; Removable back panel is provided with the console; Bodies and doors fabricated from 14 gauge steel. Seams are continuously welded and ground smooth. 3-point keylocking handle is provided on front, main door. Double overlapping doors are provided. Main hinged doors are flush. Large sloping control panels are hinged along the bottom edge. Control panels have captive screws which thread into sealed wells. Grounding provisions included. Door stops provided to hold control panel open. Print pocket is provided. Closed cell neoprene gasket is provided. Removable back panel included with console. Studs are welded to inside of console for mounting back panel.

$1,108.98 /EA
NOT CURRENTLY IN STOCK
Console 48x20x6

Console 48x20x6

Item #: WC1248T

Brand: Wiegmann

Top For Wc1248Bd Carbon Steel - Gray

Closed cell neoprene gasket included; Seams are continuously welded and ground smooth; Fabricated from carbon steel; Fabricated from 14 gauge steel. Tops have a sloped front surface. Seams are continuously welded and ground smooth. Instrument and access panels have captive screws which thread into sealed well. 4 holes are provided in bottom of top for mounting to body. Closed cell neoprene gasket. Instrument panels and access panels are removable.

$316.13 /EA
NOT CURRENTLY IN STOCK
Console 36x36x20

Console 36x36x20

Item #: WC12B

Brand: Wiegmann

N12 Consolet Body 36X36X20 Carbon Steel - Gray

The large sloping control panel is hinged along the bottom edge.; Removable back panel is provided with the console.; Bodies and doors fabricated from 14 gauge steel. Seams are continuously welded and ground smooth. 3-point keylocking handle is provided on front, main door. Main hinged doors are flush. Large sloping control panels are hinged along the bottom edge. Control panels have captive screws which thread into sealed wells. Grounding provisions included. Door stops provided to hold control panel open. Print pocket is provided. Closed cell neoprene gasket is provided. Removable back panel included with console. Studs are welded to inside of console for mounting back panel.; Seams are continuously welded and ground smooth; Fabricated from carbon steel

$1,000.00 /EA
NOT CURRENTLY IN STOCK
$300.00 /EA
NOT CURRENTLY IN STOCK
$83.07 /EA
NOT CURRENTLY IN STOCK

Electrical Enclosures

At first glance, electrical enclosures may not seem all that important. However, these carefully engineered boxes play a vital role in protecting electronics in industries such as telecommunications, IT systems, and utilities, among many others.

With technology growing at such a fast pace, electrical enclosures are more important than ever. Choosing the right type of enclosure for electrical devices can save not only lives but billions of dollars in equipment and operating costs. The challenge for design engineers is knowing which enclosure is right for their unique application. Today, electrical enclosures, such as junction boxes, come in many different types which must be carefully considered before moving forward with electrical projects.

What are electrical enclosures?

An electrical enclosure is a cabinet or box that protects electrical or electronic equipment from the environment and prevents electrical shock to users. These enclosures are usually made from rigid plastics or metals such as steel, stainless steel, or aluminum.
In diverse building, industrial, and utility applications, enclosures protect electrical equipment. They may also help in shielding equipment from electromagnetic and radio frequency interference. Enclosures are often used to protect the following types of equipment:
  • Circuit breakers, contactors, control panels, and switches
  • Distribution boards and panel boards
  • Pressurization and purging equipment and systems
  • Telephone cabinets
  • All enclosures must be installed in accordance with the National Electrical Code and follow all applicable local regulations.

Terminology

For some purposes, enclosures have partially punched openings (knockouts) that can be removed to accommodate cables, connectors, or conduits. Where they are small and primarily intended to conceal electrical junctions from sight or protect them from tampering, they are also known as junction boxes, street cabinets, or technically as serving area interfaces.

Materials

Electrical enclosures are usually made from rigid plastics, or metals such as steel, stainless steel, or aluminum. Steel cabinets may be painted or galvanized. Equipment that is mass-produced will generally have a customized enclosure, but standardized enclosures are made for custom-built or small production runs of equipment as well. For plastic enclosures, ABS is used for indoor applications that are not in harsh environments. Polycarbonate, glass-reinforced, and fiberglass boxes are used where stronger cabinets are required, and may additionally have a gasket to exclude dust and moisture.

Metal cabinets may meet the conductivity requirements for electrical safety bonding and shielding of enclosed equipment from electromagnetic interference. Non-metallic enclosures may require additional installation steps to ensure metallic conduit systems are properly bonded.

Stainless Steel and Carbon Steel

Due to their high durability and corrosion resistance, carbon steel and stainless steel are both used for enclosure construction. Being the strongest of the construction options, these materials are also moisture and chemical resistant.

Stainless steel enclosures are used in medical, pharma, and food industry applications since they are non-porous making them bacterial and fungal-resistant. Steel, specifically stainless steel enclosures may be specified to permit wash-down cleaning in food manufacturing areas.

Aluminum

Chosen because of its lightweight, relative strength, low cost, and corrosion resistance, aluminum performs well in harsh environments. Aluminum enclosures are sturdy and capable of withstanding high impact with high malleable strength. It also acts as a shield against electromagnetic interference.

Polycarbonate

Polycarbonate used for electrical enclosures is strong but light, non-conductive, and non-magnetic. It is also resistant to corrosion and acidic environments; however, it is sensitive to abrasive cleaners. Polycarbonate is the easiest material to modify.

Fiberglass

In corrosive applications, fiberglass enclosures resist chemicals. Fiberglass material can be used over all indoor and outdoor temperature ranges and can be installed in environments that are constantly wet.

Standards

In the United States, the National Electrical Manufacturers Association (NEMA) publishes NEMA Enclosure type standards for the performance of various classes of electrical enclosures. NEMA standards cover corrosion resistance, the ability to protect from rain and submersion, and much more.

Internationally, IEC 60529 classifies the ingress protection rating (IP Codes) of enclosures.