nVent ATEX503516SS63 - ZonEx ATEX- and IECEx-Certified Type 4X 3 GP, 500x350x160mm, Brushed, SS 316
nVent

ATEX503516SS63

UPC: 783510168537


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Installation Instructions

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Overview

The nVent HOFFMAN ZonEx ATEX- and IECEx-certified Type 4X enclosure (SKU: ATEX503516SS63) delivers robust protection for electrical components in hazardous environments. Engineered from high-grade 316 stainless steel with a brushed finish, this 500x350x160mm enclosure is designed to meet the stringent requirements of ATEX Directive 2014/35/EU, IECEx, and AEx standards, ensuring compliance for Zone 1 and Zone 2 applications where explosive atmospheres may be present. Designed for increased safety in industrial settings, the ZonEx enclosure provides a reliable housing solution for sensitive electrical components, control systems, and instrumentation. Its Type 4X rating ensures superior resistance to corrosion, water ingress, and dust, making it ideal for demanding environments such as oil and gas refineries, chemical processing plants, mining operations, and wastewater treatment facilities. The brushed stainless steel construction not only enhances durability but also simplifies cleaning and maintenance, reducing long-term operational costs. Professionals in hazardous area classification rely on nVent HOFFMAN’s reputation for engineering excellence and compliance with global safety standards. The ATEX503516SS63 is specifically designed for applications where explosion risks are a critical concern, yet flame-proof certification is not required. This makes it a versatile choice for enclosures housing components such as switches, relays, PLCs, and other control devices in potentially explosive atmospheres. Installation is streamlined thanks to the enclosure’s modular design, which accommodates standard mounting configurations and internal DIN rail systems. The 316 stainless steel material provides excellent resistance to high temperatures, chemical exposure, and mechanical stress, ensuring longevity even in the most challenging conditions. For engineers and safety officers, selecting the right enclosure involves balancing protection, compliance, and operational efficiency—nVent HOFFMAN’s ZonEx series delivers on all fronts. Whether deployed in onshore or offshore facilities, the ATEX503516SS63 offers peace of mind with its third-party certifications and adherence to international safety protocols. Trusted by industry leaders worldwide, nVent HOFFMAN continues to set the benchmark for hazardous area enclosures, combining innovation with reliability to safeguard critical infrastructure.
  • Type 316 stainless steel quarter-turn door latching
  • 3-mm double-bit insert for security
  • Slot and through-hole side-mount hanging brackets
  • Lift-off door hinges
  • Removable gland plates; one or three gland plates standard
  • Internal/external brass earth/ground provision
  • Type 316 stainless steel external fasteners
  • Gray silicone high-temperature gasket on doors and gland plates; operating temperature range -55 C to +180 C
  • Internal/external brass earth/ground provision

Specifications

Application
Hazardous Environments
Color
Unpainted
Conductive Panel
ATEX50P35G
Depth
160 mm
Depth
6.3 in
Finish
Brushed #3
Gland Plate Quantity
3
Height
500 mm
Height
19.69 in
IP Rating
IP66
Material
Stainless Steel
Material
Stainless Steel 316L
Material
316 Stainless Steel
Modification Services
Yes
Mounting Type
Modular/DIN rail
NEMA Rating
4X Watertight, corrosion-resistant
Nema Rating
Type 4X
Number of Gland Plate Openings
3
Panel Size
17.89 x 11.98 in
Panel Size
454 x 304 mm
Product Family
Zonex
Protection Rating
NEMA Type 12
Series
ZonEx
Size
500x350x160mm
Thickness
1.4 mm
Thickness
16 ga
Type
Stainless Steel Wall Mounted Industrial Enclosures
Type Number
Type 4X
Weight
25 lb
White Panel
ATEX50P35
Width
13.78 in
Width
350 mm
Package Dimensions (L x W x H)
21.5 IN x 9 IN x 20.5 IN
Package Dimensions (L x W x H)
54.61 cm x 22.86 cm x 52.07 cm
Package Weight (Imperial)
25.000 L
Package Weight (Metric)
11.340 kg
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How to Install the ATEX503516SS63 Enclosure

This guide provides step-by-step instructions for the installation and initial setup of the ATEX503516SS63 enclosure, ensuring compliance with safety standards.

Estimated time: 45m

Tools needed:

Screwdriver, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Terminal connectors, Cable glands

  1. Mount the enclosure

    Secure the ATEX503516SS63 enclosure to a suitable surface using the provided mounting screws. Ensure the enclosure is level and firmly attached.

  2. Drill cable entry holes

    Drill holes in the gland plates only, ensuring no holes are closer than 1.625 inches from the edge. Verify that the selected cable glands will not interfere with the sealing washer and lock nut.

  3. Connect grounding

    Connect the internal body grounding terminal to the equipment grounding connection using a UL listed ring connector. Ensure that the external grounding is also properly bonded as per local codes.

  4. Install cable glands

    Install the cable glands according to the manufacturer's instructions, ensuring that all accessories such as locknuts and sealing washers are included and properly fitted.

  5. Verify connections

    Use a multimeter to verify all electrical connections are secure and meet safety standards. Ensure that no wires are exposed and that all terminals are properly insulated.

  6. Calibrate the enclosure

    After installation, perform any necessary calibration as per the manufacturer's specifications to ensure optimal performance.

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.