nVent A90XM4EW18FTC - Heavy-Duty Disconnect White Inside Type 12, 90.12x158.00x18.12, Gray, Steel
nVent

A90XM4EW18FTC

UPC: 783510914608


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Installation Instructions

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Overview

The **nVent Heavy-Duty Disconnect Enclosure (SKU: A90XM4EW18FTC)** is a robust, Type 12-rated industrial enclosure designed for reliable protection and easy access in demanding environments. Engineered by nVent, a global leader in electrical and thermal management solutions, this enclosure combines durability, versatility, and cost-effectiveness to meet the needs of professionals across industries such as manufacturing, automation, and utilities. With dimensions of 90.12 x 158.00 x 18.12 mm, this gray steel enclosure provides ample space for housing disconnect switches, circuit breakers, or other control components while ensuring compliance with NEMA Type 12 standards for protection against dust, dirt, and non-corrosive liquids. This heavy-duty disconnect enclosure is built to withstand harsh industrial conditions, featuring a rugged steel construction that resists corrosion and mechanical stress. The enclosure is available with one to six doors, allowing customization to fit specific application requirements—whether for a single disconnect switch or a complex multi-door control panel. Its **Type 12 rating** ensures protection against falling dirt, dripping non-corrosive liquids, and dust ingress, making it ideal for indoor industrial settings such as factories, processing plants, and commercial buildings. Professionals choose the nVent Heavy-Duty Disconnect Enclosure for its **simplicity, reliability, and cost-effectiveness**. The enclosure’s design prioritizes ease of installation and maintenance, with features such as: - **Modular door configurations** to accommodate varying numbers of switches or breakers. - **Durable steel construction** for long-term performance in challenging environments. - **Compliance with NEMA Type 12 standards**, ensuring protection against common industrial hazards. - **Compatibility with a wide range of disconnect switches and control components**, offering flexibility for different applications. - **Made in the USA**, reflecting nVent’s commitment to quality and craftsmanship. Typical applications for this enclosure include: - **Motor control centers** in manufacturing facilities. - **HVAC systems** in commercial buildings. - **Industrial automation panels** for process control. - **Power distribution systems** in utilities and data centers. - **Machine safety enclosures** for equipment isolation. When selecting a disconnect enclosure, professionals consider factors such as environmental conditions, component compatibility, and ease of access for maintenance. The nVent Heavy-Duty Disconnect Enclosure excels in these areas, providing a **balance of protection, durability, and affordability**. Its **gray steel finish** not only enhances corrosion resistance but also ensures visibility in industrial settings, while the **compact yet spacious interior** accommodates a variety of electrical components without overcrowding. nVent’s reputation for innovation and reliability makes this enclosure a trusted choice for engineers, electricians, and facility managers. Whether you’re upgrading an existing system or designing a new installation, the **nVent Heavy-Duty Disconnect Enclosure (A90XM4EW18FTC)** delivers the performance and peace of mind required for critical industrial applications. Trust nVent to provide solutions that keep your operations running smoothly, safely, and efficiently.
  • Seams continuously welded and ground smooth
  • Body stiffeners in larger enclosures for extra rigidity
  • Body flange trough excludes liquids and contaminants
  • Heavy-duty lifting eyes anchor into reinforced top
  • Removable centerposts permit easy panel installation
  • Concealed, easy-to-remove hinges
  • Heavy-duty 3-point latching mechanism operated by padlocking handle on all doors
  • Panel supports
  • Data pocket is high-impact thermoplastic
  • Oil-resistant gasket

Specifications

Application
Power Distribution; Controls and Drives; Arc Flash Safety
Application
Arc Flash Safety;Controls and Drives;Power Distribution
Color
Gray
Conductive Large Panel
A90PM78G
Depth
18.12
Depth
460
Depth
460 mm
Exterior Color
Gray
Exterior Color Code
ANSI 61
Finish
Powder Coated
Height
2,289 mm
Height
90.12
Height
2,289
Interior Color
White
IP Rating
IP55
Large Painted Panel
A90PM78
Large Panel Quantity
2
Large Panel Size
78.00 x 72.00 in
Large Panel Size
1981 x 1829 mm
Material
Mild Steel
Material
Steel
Modification Services
Yes
NEMA Rating
12
NEMA Rating
12 Indoor, dust-resistant
Nema Rating
Type 12
Panel Included
Yes
Protection Rating
NEMA Type 12
Size
90.12 x 158.00 x 18.12 mm
Size
90.12x158.00x18.12 in
Thickness
11 ga
Thickness
3.04 mm
Thickness
51.40mm (2.024")
Type
Mild Steel Freestanding Industrial Disconnect Enclosures
Type Number
Type 12
Weight
2,324 lb
Width
4,013 mm
Width
158
Width
4,013
With or Without Panel
With
Package Dimensions (L x W x H)
100 IN x 24 IN x 90 IN
Package Dimensions (L x W x H)
254 cm x 60.96 cm x 228.6 cm
Package Weight (Imperial)
2324.000 L
Package Weight (Metric)
1054.166 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

How to Install the WS74XM7524SS Enclosure

This guide provides step-by-step instructions for safely installing the WS74XM7524SS enclosure, ensuring proper handling and setup.

Estimated time: 1h

Tools needed:

Forklift, Screwdriver, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Terminal connectors, 3000 lb-rated chain or strap

  1. Prepare the installation area

    Clear the installation route of all obstructions and ensure that workers are at a safe distance, more than the overall height of the enclosure.

  2. Secure the enclosure for transport

    Using a forklift, insert a 3000 lb-rated chain or strap through the eye bolts on top of the enclosure and securely fasten it to the forklift mast. Ensure sufficient tension to prevent tipping.

  3. Lift and position the enclosure

    Carefully lift the enclosure using the forklift, ensuring it is clear of the ground. Position the enclosure at the desired installation location.

  4. Mount the enclosure

    Secure the enclosure to the mounting surface using the provided mounting screws. Ensure it is level and firmly attached.

  5. Connect electrical components

    Use wire strippers to prepare the wires and connect them to the terminal connectors as per the wiring diagram provided. Verify connections with a multimeter.

  6. Calibrate the enclosure

    Follow the manufacturer's instructions to perform any necessary calibration of the enclosure's components to ensure proper functionality.

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.