nVent A72XD2818SSFTCLP - Sequestr External Disconnect Package 1-Door Type 4X, 72x28x18, Brushed, SS304
nVent

A72XD2818SSFTCLP

UPC: 783510279288

Documents & Media
Installation Instructions

Contact for Pricing

Overview

The nVent Sequestr External Disconnect Package (SKU: A72XD2818SSFTCLP) is a high-performance Type 4X stainless steel enclosure designed to enhance electrical safety and operational reliability in industrial environments. Engineered from durable 304 stainless steel with a brushed finish, this external disconnect enclosure mitigates arc flash risks by isolating incoming power from the main control panel, ensuring compliance with stringent safety standards while protecting personnel and equipment. The Type 4X rating provides superior resistance to corrosion, dust, dirt, and water ingress, making it ideal for both indoor and outdoor applications in harsh or mildly corrosive conditions. This comprehensive package includes a main enclosure paired with a Sequestr box, offering a complete solution for new installations or retrofitting existing systems. The disconnect switch, fuse block, or circuit breaker is mounted externally, with secure terminal connections routing power to the primary enclosure. This design allows technicians to safely service interior components without exposure to live electrical circuits, significantly reducing downtime and maintenance risks. Industries such as manufacturing, oil & gas, chemical processing, water treatment, and renewable energy rely on nVent’s Sequestr External Disconnect Package for critical applications where electrical safety and equipment longevity are paramount. The 304 stainless steel construction ensures long-term durability and resistance to environmental stressors, while the compact 72x28x18 dimensions provide space-efficient installation without compromising functionality. Professionals in electrical engineering, panel building, and facility management choose nVent for its proven reliability, global support, and adherence to UL, NEMA, and IEC standards. Key advantages of the nVent Sequestr External Disconnect Package include: - **Arc Flash Mitigation**: Isolates power sources to protect workers during maintenance. - **Corrosion Resistance**: 304 stainless steel withstands non-corrosive and mildly corrosive environments. - **Versatile Installation**: Suitable for retrofit projects or new builds in diverse industrial settings. - **Type 4X Compliance**: Provides robust protection against water, dust, and outdoor exposure. - **Modular Design**: Sequestr boxes can be ordered separately for flexible system expansion. nVent, a leader in electrical and thermal management solutions, delivers products trusted by engineers and facility managers worldwide. With a focus on innovation and safety, nVent’s Sequestr External Disconnect Package is the smart choice for facilities prioritizing operational efficiency, regulatory compliance, and workforce protection. Whether deployed in a factory, refinery, or utility plant, this enclosure ensures reliable power isolation with minimal maintenance overhead.
  • Package includes a main enclosure and a Sequestr box.
  • Main enclosure 12 gauge Type 304 stainless steel
  • Sequestr enclosure is 14 gauge Type 304 stainless steel
  • Seams continuously welded and ground smooth
  • Interlocks doors of main control cabinet when disconnect switch is powered ON
  • Mechanical interlock on main control enclosure activated by master door, preventing slave door from being opened first
  • Provision for pass-through power into the main enclosure
  • Preferred Disconnect cutout
  • Quarter-turn, screwdriver slot latch on Sequestr Enclosure
  • Heavy-duty 3-point latching mechanism operated by Type 316L stainless steel PowerGlide padlocking handle on all doors

Specifications

Application
Arc Flash Safety; Controls and Drives; Corrosive Environments
Color
Unpainted
Color
Brushed
Conductive Panel
A72PM28G
Depth
18.12 in
Depth
460 mm
Finish
Brushed #4
Height
1,832 mm
Height
72.12 in
Ip Rating
IP66/IP67
Material
SS304
Material
Stainless Steel 304
Material
Stainless Steel
Modification Services
Yes
NEMA Rating
4X Watertight, corrosion-resistant
Nema Rating
Type 4X
Panel
A72PM28
Panel Size
60.00 x 21.75 in
Panel Size
1524 x 552 mm
Product Family
Sequestr
Protection Rating
NEMA Type 12
Series
Sequestr
Size
72.12 x 28.25 x 18.12 in
Size
72x28x18
Thickness
1.98 mm
Thickness
14 ga
Type
Stainless Steel Freestanding Industrial Disconnect Enclosures
Weight
367 lb
Width
28.25 in
Width
718 mm
Package Dimensions (L x W x H)
36 IN x 34 IN x 81.75 IN
Package Dimensions (L x W x H)
91.44 cm x 86.36 cm x 207.645 cm
Package Weight (Imperial)
367.000 L
Package Weight (Metric)
166.471 kg
Sequestr External Disconnect Package 1-Door Type 4X, 72x40x18, Brushed, SS304

A72XD4018SSFTCLP

Sequestr External Disconnect Package 1-Door Type 4X, 72x40x18, Brushed, SS304
Single Gang Universal Box Extension Adapter, Depth 1 Inch, 0 Outlets, with Gasket and Screws

IHEV

Single Gang Universal Box Extension Adapter, Depth 1 Inch, 0 Outlets, with Gasket and Screws

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.