nVent SX7E866 - SX7 Series Junction Boxes, 11.34x9.41x8.54, Aluminum
nVent

SX7E866

UPC: 783510290030

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Overview

The nVent SX7E866 Series Junction Box is a high-performance aluminum enclosure engineered for hazardous locations where safety, durability, and compliance are critical. Designed to meet UL 1203, NEC Articles 500-503, and NEMA Type 3, 4X, 7, and 9 standards, this junction box provides a robust solution for protecting electrical components in volatile environments. Constructed from low-copper aluminum alloy, the SX7E866 ensures superior corrosion resistance while maintaining structural integrity in demanding industrial settings. The stainless steel bolts and screws, combined with a high-quality gasket o-ring, deliver an IP66/IP67 equivalent rating, making it ideal for Class I, Division 1, Groups C & D; Class II, Groups E, F & G; and Class III applications. Engineered for versatility, the SX7E866 serves multiple critical functions in hazardous location installations. It functions as a junction box for terminating and splicing wires, a pull box for conduit routing, and a splice box for maintaining electrical continuity. Additionally, it provides a secure enclosure for mounting electrical devices such as motor starters, circuit breakers, control stations, terminal blocks, pilot lights, switch racks, and panelboards. The internal mounting panel included with the enclosure simplifies device installation, while the external earth screw ensures proper grounding for enhanced safety. The SX7E866 is designed with practicality in mind. Its grey electrostatic polyester paint finish (RAL 7031) offers long-lasting protection against harsh chemicals, moisture, and UV exposure, ensuring reliable performance even in outdoor or corrosive environments. The enclosure features NPT threads for rigid conduit connections, with options for custom drilling and threading to meet specific project requirements. This flexibility makes it a preferred choice for engineers and contractors who need tailored solutions without compromising on compliance or performance. nVent, a leader in thermal management and electrical protection solutions, brings decades of expertise to the SX7E866. Known for innovation and reliability, nVent’s Hoffman brand has earned a reputation for producing enclosures that meet the most stringent industry standards. Whether deployed in oil and gas refineries, chemical processing plants, wastewater treatment facilities, or manufacturing floors, the SX7E866 delivers uncompromising protection where failure is not an option. Trusted by professionals worldwide, this junction box is a cornerstone of safe and efficient hazardous location electrical systems.
  • UL 1203 Listed for hazardous locations (Class I, II, III)
  • NEMA Type 3, 4X, 7, 9 certified for superior protection
  • Low-copper aluminum alloy with stainless steel hardware for corrosion resistance
  • Grey electrostatic polyester paint (RAL 7031) for durability in harsh environments
  • Internal mounting panel and external earth screw for safety and convenience
  • NPT threads for rigid conduit connections with custom drilling options
  • Ideal for junction, pull, splice boxes and electrical device enclosures
  • Compatible with motor starters, circuit breakers, control stations, and more

Specifications

Application
Hazardous Environments
Color
Grey
Connection Type
NPT Threads
Ip Rating
IP66/IP67
Material
Aluminum
Material
Aluminium;Aluminum
Nema Rating
NEMA 4X/7/9
Series
SX7
Size
11.34x9.41x8.54 in
Size
11.34x9.41x8.54
Type
Hazardous Location Enclosures
Package Dimensions (L x W x H)
16.54 IN x 15.35 IN x 12.6 IN
Package Dimensions (L x W x H)
42.0116 cm x 38.989 cm x 32.004 cm
Package Weight (Imperial)
27.550 L
Package Weight (Metric)
12.497 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.