nVent EJB4A - EJB Series Junction Boxes, Aluminum
nVent

EJB4A

UPC: 783510289645

Contact for Pricing

Overview

The nVent EJB Series Aluminum Ex d Junction Box (SKU: EJB4A) is a certified enclosure designed for hazardous locations (Zones 1, 2, 21, 22) with ATEX and IECEx compliance. Constructed from low-copper aluminum alloy with stainless steel hardware, it offers excellent corrosion resistance. The enclosure features a high-temperature silicone gasket for IP66/67 protection and a continuously hinged cover with quarter-turn latches for secure access. It serves as a junction box or housing for electrical equipment like circuit breakers and transformers. The standard finish is RAL 7035 light grey epoxy coating. Custom drilling and threading are available, performed by nVent HOFFMAN to meet specific project needs. Optional accessories include breather drains and window kits.
  • ATEX and IECEx certified for hazardous locations (Zones 1, 2, 21, 22)
  • Constructed from low-copper aluminum alloy with stainless steel hardware for corrosion resistance
  • IP66/67 protection with high-temperature silicone gasket
  • Continuously hinged cover with quarter-turn latches for secure access
  • Custom drilling and threading available from nVent HOFFMAN
  • Aluminum alloy passes the tests required by standards EN 60068-2-30 (hot/humid cycles) and EN 60068-2-11 (salt mist tests)
  • Body and cover can be drilled and threaded according to customers' specifications
  • Internal mounting panel included
  • Body and cover can be drilled and threaded according to customers' specifications

Specifications

Application
Hazardous Environments
Material
Aluminium;Aluminum
Type
Hazardous Location Enclosures
Package Dimensions (L x W x H)
18.11 IN x 14.57 IN x 15.7 IN
Package Dimensions (L x W x H)
45.9994 cm x 37.0078 cm x 39.878 cm
Package Weight (Imperial)
58.630 L
Package Weight (Metric)
26.595 kg
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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.