Authorized nVent Distributor
nVent A74H7218SS6LP3PT - 2-Door Floor-Stand 3-Point Latches Type 4X, 74x72x18, SS Type 316

nVent A74H7218SS6LP3PT 2-Door Floor-Stand 3-Point Latches Type 4X, 74x72x18, SS Type 316

UPC: 783510262235


Documents & Media
Installation Instructions

Contact for Pricing

Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

The nVent A74H7218SS6LP3PT is a robust, two-door floor-standing enclosure engineered for superior protection in the most demanding industrial environments. Constructed from high-grade 316 stainless steel, this enclosure offers exceptional resistance to corrosion, making it the ideal choice for applications in highly aggressive or chemically rich settings. Its substantial 74x72x18 inch dimensions provide ample space for housing large electrical components, complex control systems, or multiple pieces of equipment, facilitating intricate mounting configurations and efficient cable management. Designed with operational efficiency and security in mind, the A74H7218SS6LP3PT features a sophisticated three-point latching system. This system, integrated with the HOFFMAN PowerGlide padlocking handles, ensures a secure and reliable closure, safeguarding sensitive equipment from unauthorized access and environmental contaminants. The foam-in-place gasket provides a superior seal, meeting Type 4X requirements, which guarantees protection against water ingress, dust, and other particulate matter, even under high-pressure washdown conditions. This combination of robust construction, advanced latching, and effective sealing makes it a premier solution for mission-critical applications. This nVent enclosure is particularly well-suited for industries where equipment integrity is paramount and exposure to corrosive elements is a constant challenge. Key application areas include: * **Petrochemical Plants:** Protecting sensitive control and instrumentation equipment from harsh chemicals and atmospheric corrosion. * **Pulp and Paper Processing:** Withstanding humid, chemically laden environments common in paper mills. * **Water and Wastewater Treatment Facilities:** Ensuring the longevity and reliability of electrical controls in corrosive and wet conditions. * **Food, Pharmaceutical, and Packaging Industries:** Maintaining hygienic standards and protecting equipment from washdowns and specific processing agents. The 316 stainless steel material is specifically chosen for its superior performance in environments containing chlorides, sulfur compounds, and other aggressive agents that would rapidly degrade lesser materials. The floor-standing design offers stability and ease of access for maintenance and installation, while the dual-door configuration allows for convenient access to equipment from multiple sides, simplifying wiring and servicing. nVent's commitment to quality and innovation, backed by the HOFFMAN brand legacy, ensures that this enclosure meets stringent industry standards and provides long-term operational reliability. The UNSPSC code 39121324 categorizes this product within electrical enclosures and cabinets, highlighting its primary function in industrial electrical infrastructure. Manufactured in the USA, this enclosure exemplifies American engineering and manufacturing excellence.
  • Backs are 10 or 12 gauge stainless steel with x-form stiffeners
  • Seams continuously welded and ground smooth; no holes or knockouts
  • Removable centerpost for easy panel installation
  • Collar studs provided for mounting optional panels
  • Panel supports included
  • Heavy-duty lifting eyes are Type 316L stainless steel
  • Heavy-duty 3-point latching mechanism operated by Type 316L stainless steel PowerGlide padlocking handles
  • Body flange trough collar excludes liquids and contaminants
  • Heavy-duty stainless steel continuous hinges support each door
  • Bonding provision on doors; grounding studs on body

Specifications

Application
Controls and Drives;Corrosive Environments;Hygienic Environments
Color
Unpainted
Conductive Panel
A72P72G
Depth
18.06 in
Depth
459 mm
Depth
459
Finish
Brushed #4
Height
1,881
Height
74.06 in
Height
1,881 mm
IP Rating
IP66
Material
316 Stainless Steel
Material
Stainless Steel Type 316
Material
Stainless Steel 316L
Material Quality
316 Stainless;Stainless Steel 316
Modification Services
Yes
Mounting Type
Floor-standing
Mounting Type
Floor-Stand
NEMA Rating
4X Watertight, corrosion-resistant
NEMA Rating
4X
Nema Rating
Type 4X
Panel
A72P72
Panel Size
68.00 x 68.00 in
Panel Size
1727 x 1727 mm
Protection Rating
NEMA Type 12
Series
74 Series
Series
nVent 74x72x18 SS
Size
74.062 x72.062 x18.062 in
Size
74x72x18
Size
74x72x18 inch
Stainless Steel Type
316L
Thickness
2.78 mm
Thickness
12 ga
Thickness
51.40mm (2.024")
Type
Stainless Steel Freestanding Industrial Enclosures
Type Number
Type 3R
Weight
692 lb
Width
72.06 in
Width
1,830 mm
Width
1,830
Package Dimensions (L x W x H)
84 IN x 36 IN x 95.5 IN
Package Dimensions (L x W x H)
213.36 cm x 91.44 cm x 242.57 cm
Package Weight (Imperial)
692.000 L
Package Weight (Metric)
313.891 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.
Locking using CASTELL K key operated lock (not supplied) Fuserbloc Sirco

36297702

Locking using CASTELL K key operated lock (not supplied) Fuserbloc Sirco
External operation handle 0-1 type S01 Red Nema 4,4x

140E2911

External operation handle 0-1 type S01 Red Nema 4,4x
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
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
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
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
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

How to Install the A74H7218SS6LP3PT Enclosure

Instructions for mounting and adjusting the A74H7218SS6LP3PT enclosure, including door and panel installation.

Estimated time: 1h

Tools needed:

Screwdriver, Punch, Vibrating hammer (electric or air powered)

Supplies needed:

Fasteners, Metal shims, Hinge pin

  1. Prepare for Mounting

    Identify whether the enclosure is wall-mounted or floor-mounted. Wall-mounted enclosures have internal mounting means or external feet. Floor-mounted enclosures have floor stands with mounting plates. Ensure you have the proper fasteners for your chosen mounting method.

  2. Mount the Enclosure

    Secure the enclosure to the wall or floor using the appropriate fasteners in all mounting holes. For floor-mounted enclosures, ensure the floor is level or use shims under the enclosure corners as needed. For wall-mounted enclosures, ensure the mounting surface is flat to prevent door issues.

  3. Adjust Door Closing (if necessary)

    If the door does not open and close properly, or if it sags due to heavy equipment, adjust as follows: For single-door enclosures, place metal shims behind the bottom mounting foot closest to the hinge if the top of the door strikes the body opening lip. For two-door enclosures, place metal shims under the corners if the floor is not level, ensuring the doors meet evenly. Bolt the enclosure in place with doors closed before installing shims.

  4. Install the Interior Panel

    When installing the interior panel, you may need to slightly bend mounting studs to align the panel. Position the panel on the studs that line up, then use a screwdriver inserted through the panel holes to pry the remaining studs into place.

  5. Remove or Invert Print Pocket

    The print pocket on the door can be inverted or removed entirely as needed.

  6. Install Hubs and Devices

    Use agency Type rated hubs or devices of equal rating to the enclosure. Ensure hole openings and installation follow manufacturer instructions. Verify adequate hole-to-hole spacing for tightening and that installation does not interfere with the enclosure's gasket or edges. Conduit connections should be on the top, bottom, and sides.

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.