nVent AXD542024C - Sequestr High-Amp External Disconnect Type 4 12, 54.00x20.00x24.00, Gray, Steel
nVent

AXD542024C

UPC: 783510365561


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Installation Instructions

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Overview

Enhance electrical safety and mitigate arc flash hazards with the nVent Sequestr High-Amp External Disconnect Enclosure (SKU: AXD542024C). This robust steel enclosure isolates high-amperage disconnect switches and breakers from the main electrical panel, reducing operator exposure to live power during maintenance. Engineered for industrial applications, it supports disconnect switches and circuit breakers up to 800A, adhering to NEC 430.10(B). Its dimensions are 54.00x20.00x24.00 inches, with a NEMA Type 4 rating for superior protection against dust and water, suitable for indoor/outdoor use. The durable gray steel construction ensures longevity. The Sequestr enclosure is designed for free-stand or floor-mount configurations and integrates with nVent main enclosure bulletins A34, A35, A28, A21, and A4L3D for retrofitting. When the disconnect is OFF, load-side cables to the main enclosure are de-energized, ensuring a safe working environment and compliance with safety regulations. Key benefits include arc flash hazard reduction, enhanced safety, robust construction, high amperage capacity, versatile mounting, and seamless integration with specified nVent enclosures.
  • Seams continuously welded and ground smooth
  • Interlocks with doors of main enclosure when the disconnect handle is powered ON to prevent opening when energized
  • Disconnect handle mounts on main enclosure
  • Designed to house cable-operated disconnect switches or breakers for mounting flexibility
  • Maintains UL Type rating of main enclosure
  • Quarter-turn, slotted 3-point latch installed; padlocking handle shipped loose to provide additional level of security
  • Conductive back panel included
  • Hinged on right side
  • Removable door with hidden hinges for clean, aesthetic appearance
  • Bonding provision on door

Specifications

Application
Power Distribution; Controls and Drives; Arc Flash Safety
Color
Gray
Color Code
ANSI 61
Current Rating
800 A
Depth
24 in
Depth
613 mm
Finish
Powder Coated
Height
54 in
Height
1,372 mm
Material
Mild Steel
Material
Steel
Mounting Type
Free-stand or floor-mount
NEMA Color
ANSI 61 Gray
Nema Rating
Type 4
NEMA Rating
4, 12
Product Family
Sequestr
Protection Rating
NEMA Type 4
Series
Sequestr
Size
54.00x20.00x24.00 inches
Size
54.00 x 20.00 x 24.00 inch
Thickness
1.9 mm
Thickness
14 ga
Type
Mild Steel Freestanding Industrial Disconnect Enclosures
Weight
149 lb
Width
20 IN
Width
508 mm
Package Dimensions (L x W x H)
57 IN x 28 IN x 23 IN
Package Dimensions (L x W x H)
144.78 cm x 71.12 cm x 58.42 cm
Package Weight (Imperial)
149.000 L
Package Weight (Metric)
67.586 kg
Sequestr High-Amp External Disconnect Type 4 12, 54.00x20.00x18.00, Gray, Steel

AXD542018C

Sequestr High-Amp External Disconnect Type 4 12, 54.00x20.00x18.00, Gray, Steel

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.