nVent A90XM3EW24 - , Bulletin A28MM (Heavy Duty Free-Standing Type 12 Disconnect Multi-Door Encl. - Heavy Duty Type 12 Enclosures for Flange-Mounted Disconnects - 3, 4, & 5 Door) ex6
nVent

A90XM3EW24

UPC: 783510302702

Contact for Pricing

Overview

The nVent A28MM Heavy Duty Type 12 Flange-Mounted Disconnect Enclosure is a robust, industrial-grade solution designed to protect critical electrical disconnects in the most demanding environments. Engineered by nVent, a global leader in electrical and thermal management solutions, this enclosure meets NEMA Type 12 standards, providing superior defense against dust, dirt, and non-corrosive liquids. Available in 3, 4, or 5-door configurations, the A28MM series is specifically tailored for heavy-duty applications where reliability and durability are non-negotiable. Designed for flange-mounted disconnects, the A28MM enclosure ensures seamless integration with industrial electrical systems, offering a secure and organized housing solution. Its rugged construction is ideal for facilities such as manufacturing plants, food processing units, automotive assembly lines, and wastewater treatment plants, where exposure to harsh conditions is common. The multi-door design allows for easy access to internal components, simplifying maintenance and reducing downtime—a critical factor in high-availability industrial operations. Key features of the nVent A28MM include a heavy-duty steel construction that resists corrosion and physical impact, ensuring long-term performance even in abrasive or high-traffic environments. The NEMA Type 12 rating guarantees protection against ingress of solid foreign objects and dripping non-corrosive liquids, making it suitable for both indoor and outdoor applications where environmental challenges are present. Additionally, the enclosure’s modular design facilitates customization and scalability, allowing professionals to adapt the system as operational needs evolve. Installation is streamlined thanks to the flange-mounted design, which aligns seamlessly with existing electrical infrastructure. This feature minimizes the need for extensive modifications, reducing installation time and costs. Professionals in the electrical contracting, industrial maintenance, and facility management sectors rely on nVent’s reputation for engineering excellence, knowing that the A28MM series delivers consistent, high-performance protection for sensitive electrical components. The A28MM series is part of nVent’s comprehensive portfolio of industrial enclosures, which are trusted by engineers and facility managers worldwide for their durability, compliance with industry standards, and ease of integration. Whether deployed in a factory automation system, a commercial HVAC setup, or a renewable energy installation, this enclosure provides the peace of mind that comes from knowing critical electrical components are safeguarded against the elements. For industrial professionals seeking a dependable, heavy-duty enclosure solution, the nVent A28MM Heavy Duty Type 12 Flange-Mounted Disconnect Enclosure stands as a benchmark in performance and reliability. Its combination of robust construction, NEMA Type 12 compliance, and flexible configuration options makes it an indispensable component in modern industrial electrical systems.
  • NEMA Type 12 rated for protection against dust, dirt, and non-corrosive liquids
  • Heavy-duty steel construction for durability in harsh industrial environments
  • Available in 3, 4, or 5-door configurations for flexible installation
  • Flange-mounted design for seamless integration with existing electrical systems
  • Modular and scalable for easy maintenance and future expansion

Specifications

Material
Steel
Material
Poly
Mounting Type
Flange-Mounted
Nema Rating
Type 12
Series
A28MM
Package Dimensions (L x W x H)
123 IN x 33 IN x 99.5 IN
Package Dimensions (L x W x H)
312.42 cm x 83.82 cm x 252.73 cm
Package Weight (Imperial)
2153.000 L
Package Weight (Metric)
976.601 kg
Panel 6.9 x 4.9 - Fits Encl. 8 x 6 - Alum

14A0705

Panel 6.9 x 4.9 - Fits Encl. 8 x 6 - Alum
Sealable and transparent protective covers BX4 and non-removable BX4-CA to protect the devices against accidental contact.

BX4

Sealable and transparent protective covers BX4 and non-removable BX4-CA to protect the devices against accidental contact.
Cord Grip with NPT Threads, Locknut Included, NPT Thread Size 3/8 Inch, Cable Range 0.181 Inch/4.6mm to 0.312 Inch/7.9mm, Hole Clearance 0.670 Inch/17.0mm, Thread Length 0.53 Inch/13.5mm, IP68 Rating, Nylon, Black

LH38

Cord Grip with NPT Threads, Locknut Included, NPT Thread Size 3/8 Inch, Cable Range 0.181 Inch/4.6mm to 0.312 Inch/7.9mm, Hole Clearance 0.670 Inch/17.0mm, Thread Length 0.53 Inch/13.5mm, IP68 Rating, Nylon, Black
EP-RJG-M20-BL-A

1SNG618003R0000

EP-RJG-M20-BL-A
1/2 Inch, Straight, One-Piece Liquidtight Non-Metallic Fitting, CSA, UL E32447, Temperatures up to 60 Degrees C, PVC, Grey

LN43DA

1/2 Inch, Straight, One-Piece Liquidtight Non-Metallic Fitting, CSA, UL E32447, Temperatures up to 60 Degrees C, PVC, Grey
1/2 Inch, 90 Degree, Two-Piece Liquidtight Non-Metallic Fitting, UL E32447, Temperatures up to 107 Degrees C, Nitril Rubber O-Ring, PVC, Grey

LT20D-NEW

1/2 Inch, 90 Degree, Two-Piece Liquidtight Non-Metallic Fitting, UL E32447, Temperatures up to 107 Degrees C, Nitril Rubber O-Ring, PVC, Grey
Escutcheon black type B for Sircover 125-630A

44095015

Escutcheon black type B for Sircover 125-630A
Escutcheon black type B for Sircover 125-630A IP65

44095016

Escutcheon black type B for Sircover 125-630A IP65
12,80" x 12,80" filter fan - 115Vac - 285.3 cfm - RAL 7035 - Type 12

FF20A115UE1

12,80" x 12,80" filter fan - 115Vac - 285.3 cfm - RAL 7035 - Type 12
5,90" x 5,90" filter fan - 24Vdc - 20.6 cfm - RAL 9005 - Type 3R - IP55

FF12D24NN53

5,90" x 5,90" filter fan - 24Vdc - 20.6 cfm - RAL 9005 - Type 3R - IP55

Frequently Asked Questions about nVent

What industries and applications are nVent products used for?

nVent products are engineered for critical infrastructure and industrial applications across multiple demanding sectors. Key markets include Construction, Data Centers, Defense, Healthcare, Mining, Oil & Gas Refineries, Power Plants, Rail/Transit, Renewable Energy, Security, Ship Building, Steel Mills, Telecom, and Utilities. Their solutions are designed to withstand extreme environmental conditions, with temperature ranges from -55°C to 105°C and specialized features like UV resistance, oil resistance, and flame resistance.

What environmental ratings do nVent products have?

nVent enclosures feature comprehensive environmental ratings, including UL 508A, CSA, and NEMA Type 1, 2, 3, 4, 4X, 12, and 13 certifications. They are rated IEC 60529 IP66, providing robust protection against dust, water, and corrosion in both indoor and outdoor environments. These products operate effectively in temperatures ranging from -40°F to 266°F, with enhanced UV inhibitors for outdoor weathering and oil-resistant gaskets for superior sealing.

What accessories are available for nVent products?

nVent offers a comprehensive range of accessories across multiple product lines, including EMC accessories like bonding cable clamps and strain reliefs, inline accessories such as lock inserts and mounting brackets, CONCEPT accessories including panel conversion kits and rack-mount angles, and seismic accessories for specialized mounting requirements. Key accessory categories include grounding kits, DIN rail mounting solutions, panel supports, handles, and various mounting hardware compatible with different enclosure types.

What certifications and standards do nVent products comply with?

nVent products meet critical international certifications including UL (United States), CSA (Canada), CE (European Community), and EAC (Russia). Our products are designed to comply with rigorous industrial standards such as NEMA enclosure ratings, IEC 60529 IP ratings, and international safety standards across multiple industrial markets including oil & gas, power, manufacturing, and infrastructure.

What is nVent's warranty policy?

nVent offers a standard 18-month warranty from invoicing date for most automation products, covering defects in workmanship and materials. The warranty requires proper transportation, handling, storage, and installation within specified environmental conditions. Warranty coverage includes repair or replacement at nVent's discretion, with certain conditions such as authorized service repairs and operation within designed capacity limits.

What technical support does nVent offer?

nVent offers comprehensive technical support through multiple global contact centers across North America, South America, Europe, Middle East, India, and Asia. Customers can reach technical experts by phone at regional numbers, with the North American headquarters in Minneapolis, MN providing primary support at +1.763.421.2240. Additionally, nVent provides online support resources through their website, including CAD drawing downloads and an 'Ask The Expert' feature to assist with product technical inquiries.