nVent A72XD7818SSFTCLP - Sequestr External Disconnect Package 2-Door Type 4X, 72x78x18, Brushed, SS304
nVent

A72XD7818SSFTCLP

UPC: 783510279431


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Overview

The **nVent Sequestr External Disconnect Package (SKU: A72XD7818SSFTCLP)** is a high-performance, Type 4X-rated enclosure designed to enhance electrical safety by isolating incoming power from primary enclosures, significantly reducing the risk of arc flash incidents. Engineered from **304 stainless steel**, this rugged solution delivers unmatched corrosion resistance and durability in both indoor and outdoor industrial environments, making it ideal for facilities where exposure to non-corrosive or mildly corrosive elements is a concern. This **2-door external disconnect enclosure** is part of nVent’s Sequestr line, a trusted brand in electrical protection and enclosure solutions. The package includes a main enclosure and a Sequestr box, with the disconnect switch and fuse block or circuit breaker pre-mounted for streamlined installation. Terminal connections bridge power from the external enclosure to the main enclosure, ensuring seamless integration while maintaining operational safety. For retrofitting existing systems, Sequestr boxes are available as standalone components, allowing professionals to upgrade legacy enclosures without full system overhauls. **Key Applications & Industries:** The **nVent Sequestr External Disconnect Package** is purpose-built for high-risk electrical environments where safety and reliability are non-negotiable. Typical applications include: - **Industrial manufacturing plants** (automotive, aerospace, heavy machinery) where arc flash hazards are prevalent during maintenance. - **Commercial buildings** with critical power distribution systems, such as data centers, hospitals, and telecommunications facilities. - **Oil & gas, chemical processing, and water treatment plants** where corrosive atmospheres demand robust, long-lasting enclosures. - **Renewable energy installations** (solar farms, wind turbines) requiring outdoor-rated enclosures to withstand harsh weather conditions. - **Utility substations and power generation facilities** where electrical safety and compliance with NFPA 70E or OSHA standards are mandatory. **Why Choose nVent Sequestr?** nVent is a global leader in electrical and thermal management solutions, with a reputation for innovation and reliability. The **Sequestr External Disconnect Package** exemplifies this commitment by combining **Type 4X ingress protection** (dust-tight, rainproof, and corrosion-resistant) with **304 stainless steel construction**, ensuring longevity even in the most demanding conditions. The **2-door design** provides easy access for maintenance while maintaining a secure barrier against unauthorized tampering. **Installation & Compliance Considerations:** Professionals select the **Sequestr External Disconnect Package** for its **ease of integration** and **compliance with industry standards**, including: - **UL 508A** for industrial control panels. - **NEMA Type 4X** for protection against corrosion, windblown dust, and rain. - **OSHA and NFPA 70E** for arc flash safety compliance. The **pre-wired terminal connections** simplify installation, reducing downtime and minimizing human error. For retrofits, the **modular Sequestr box** can be added to existing enclosures, extending the life of legacy systems while bringing them up to modern safety standards. **Durability & Performance:** The **304 stainless steel construction** resists rust, pitting, and staining, making it ideal for coastal environments or facilities with chemical exposure. The **brushed finish** not only enhances aesthetics but also reduces glare in high-visibility areas. With a **72x78x18** footprint, this enclosure balances space efficiency with ample room for internal components, including disconnect switches, fuse blocks, or circuit breakers. **Why This Matters for Your Operations:** Arc flash incidents can result in severe injuries, equipment damage, and costly downtime. By deploying the **nVent Sequestr External Disconnect Package**, facility managers and electrical contractors can: - **Mitigate arc flash risks** by isolating power during maintenance. - **Extend equipment lifespan** with corrosion-resistant materials. - **Simplify compliance** with safety and environmental standards. - **Future-proof installations** with modular, retrofittable designs. Backed by nVent’s **global engineering expertise** and **commitment to safety**, the **Sequestr External Disconnect Package** is the smart choice for professionals who demand **reliability, performance, and peace of mind** in their electrical systems.
  • 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
Corrosive Environments; Arc Flash Safety; Controls and Drives
Color
Brushed
Color
Unpainted
Conductive Panel
A72PM78G
Depth
18.12 in
Depth
460 mm
Finish
Brushed #4
Height
1,832 mm
Height
72.12 in
Material
SS304
Material
Stainless Steel 304
Material
Stainless Steel
Modification Services
Yes
Nema Rating
Type 4X
NEMA Rating
4X Watertight, corrosion-resistant
Panel
A72PM78
Panel Size
1524 x 1829 mm
Panel Size
60.00 x 72.00 in
Product Family
Sequestr
Protection Rating
NEMA Type 12
Series
Sequestr
Size
72.12 x 78.5 x 18.12 in
Size
72x78x18
Thickness
1.98 mm
Thickness
14 ga
Type
Stainless Steel Freestanding Industrial Disconnect Enclosures
Weight
712 lb
Width
78.5 in
Width
1,994 mm
Package Dimensions (L x W x H)
84 IN x 36 IN x 82 IN
Package Dimensions (L x W x H)
213.36 cm x 91.44 cm x 208.28 cm
Package Weight (Imperial)
712.000 L
Package Weight (Metric)
322.963 kg
Sequestr External Disconnect Package 2-Door Type 4X, 84x78x18, Brushed, SS304

A84XD7818SSFTCLP

Sequestr External Disconnect Package 2-Door Type 4X, 84x78x18, 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 Sequestr External Disconnect Enclosure

This guide provides step-by-step instructions for installing the Sequestr external disconnect enclosure to a control enclosure, ensuring proper mounting, wiring, and initial setup.

Estimated time: 1h

Tools needed:

Screwdriver, Drill, Volt meter, Wire strippers

Supplies needed:

Mounting screws, Terminal connectors, Hoffman hole seal, Hoffman blank adapter plate

  1. Power Down the System

    Turn off the local disconnect in the control enclosure and the feeder disconnect. Wear appropriate Personal Protective Equipment (PPE) and open the control enclosure.

  2. Prepare the Control Enclosure

    Remove the existing disconnect from the control enclosure and seal the existing hole with a Hoffman hole seal. Cover all components in the control enclosure to protect them.

  3. Mount the Sequestr Enclosure

    Remove the subpanel from the Sequestr enclosure. Hang the Sequestr enclosure on the control enclosure using M6x16mm bolts and secure it with washer head cap screws from inside the control enclosure.

  4. Install Circuit Breaker/Disconnect Switch

    Drill mounting holes for the circuit breaker in the panel and install the device according to the manufacturer's instructions. Secure the panel into the Sequestr enclosure with hex nuts.

  5. Wire the Circuit Breaker

    Install conduit and wires to the incoming side of the circuit breaker/disconnect switch in the Sequestr enclosure, ensuring all connections are secure.

  6. Power Up the System

    Remove any protective coverings, ensure the operator handle is in the 'OFF' position, close and latch the Sequestr and control enclosure doors, then turn on the feeder disconnect switch and verify system operation.

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.