Junction Boxes Enclosures

Junction Boxes Enclosures play a crucial role in protecting and organizing electrical systems. These enclosures are engineered to offer highly reliable and secure environments for electrical connections, ensuring compliance with stringent safety standards and operational efficiency across various industries. 
HY D R O L Y SIS RESIS T ANCE

Material Type & Grade

CRCA (Cold Rolled Close Annealed) steel, SS 304/316, or Aluminum 5052-H32

Surface Finish

Powder-coated with epoxy-polyester, 70–100 microns; optional electropolishing for stainless steel

IP Rating

IP65 or IP66 as per IEC 60529 for total dust and water jet protection

NEMA Rating

NEMA 4 / 4X / 12 depending on environmental exposure and sealing configuration

Impact Resistance (IK)

IK08 or IK10 per IEC 62262 based on material thickness and design reinforcement

Product Description

The primary function of a Junction Boxes Enclosure is to safeguard electrical connections from external environmental factors. These enclosures are designed with IP (Ingress Protection) ratings, which determine their effectiveness against water and dust ingress. For example, an IP67-rated enclosure ensures full protection against dust and can withstand submersion in water up to a certain depth.  

EMI/RFI Shielding

Optional shielding with conductive coating and grounding points; attenuation up to 40 dB

Thermal Management

Passive; enclosure designed to limit internal heat accumulation with optional ventilation ports

Grounding & Bonding Points

Integrated M6/M8 grounding studs per IEC 60364-4-41 and NEC Article 250

Sealing System

Continuous EPDM or PU gasket for environmental sealing and long-term compression recovery

Fire Resistance Rating

Non-metallic components UL 94 V-0; enclosure flame-tested per IEC 60695 series

Environmental Compliance

RoHS, REACH, and WEEE compliant materials and surface treatments

Load Bearing Capacity

Typically supports internal terminal blocks and DIN rail components up to 50 kg

Operating Temperature Range

-40°C to +80°C depending on material and coating

UV Stability

UV-stabilized coating for outdoor junction boxes per ISO 11341

Salt Spray Resistance

720–1000 hours as per ASTM B117 for coated steel and anodized aluminum

Seismic Rating

Optional bracing kits available; compliant with Zone 2–3 per GR-63-CORE

Mounting Provisions

Wall-mounting flanges, internal DIN rail support, optional pole-mount brackets

Dimensions

Standard sizes range from 100x100x80 mm to 600x600x200 mm; custom on request

Weight Capacity

Up to 50 kg internal load; suitable for terminal blocks, relays, and compact controllers

Lock Type

Screw cover, quarter-turn latch, or keylock depending on access and security needs

Technical Advantages

In electrical systems, heat generation is an inevitable byproduct of high-power components and prolonged operation. A Junction Boxes Enclosure is often designed with thermal management solutions to address this concern. Many enclosures incorporate heat sinks, ventilation holes, or active cooling systems such as integrated fans to ensure adequate airflow and heat dissipation. The selection of materials with low thermal conductivity, such as aluminum or thermally conductive plastics, also contributes to efficient heat transfer, preventing the overheating of internal components. 

For applications in high-temperature environments, Junction boxes Enclosure may include flame-retardant materials and heat-resistant coatings that ensure the system’s integrity and protect sensitive electrical components from thermal damage. This becomes especially important in the automotive, oil and gas, and energy sectors, where temperature regulation is crucial for maintaining system performance and safety. 

Let's Get Started

Need reliable Sockets for your next project? Get in touch with us today, and we’ll help you find exactly what you need!

Industry Applications

Oil & Gas

This product provides protection for electrical components in hazardous environments, meeting explosion-proof standards (ATEX/IECEx). 

Aerospace:

Safeguards avionics and electronic components from extreme temperatures, vibrations, and pressure changes in aircraft. 

Renewable Energy

Houses electrical connections and inverters in solar and wind power systems, protecting against dust, moisture, and UV exposure. 

Construction

Encloses electrical junctions, wiring, and control systems in building sites, offering weatherproof and impact-resistant protection. 

Automotive

Protects wiring harnesses and electronic components from mechanical stress, moisture, and vehicle temperature variations. 

Marine

Shields electrical systems from saltwater corrosion, humidity, and mechanical wear in shipboard or offshore installations. 

Customization and Modular Design

A Junction Boxes Enclosures is often a bespoke solution tailored to the application’s specific needs. Customization features may include removable panels, internal partitions, modular busbars, and multiple cable entry glands to accommodate varying sizes and electrical components. The modular design also allows for ease of modification and expansion, offering flexibility in reconfiguring the enclosure to meet changing demands. 

The enclosure may include cutouts or pre-punched holes for mounting components such as terminal blocks, switches, or circuit breakers. Custom options for gasket materials (e.g., silicone, EPDM) ensure sealing integrity based on environmental factors like temperature extremes, UV exposure, and chemical resistance. 

junction boxes enclosures

Having Doubts? Our FAQ

Check all our Frequently Asked Question

How does Frigate ensure Junction Boxes Enclosure meets environmental protection standards?

Frigate designs junction boxes enclosures with high IP ratings (IP65, IP66, IP67) for dust and water resistance. These enclosures use materials like stainless steel, fiberglass, and polycarbonate to offer superior protection against environmental hazards, ensuring long-term durability in outdoor and harsh industrial applications. 

What measures does Frigate take to ensure Junction Boxes Enclosures is resistant to thermal cycling?

Frigate uses materials with excellent thermal conductivity, such as aluminum and polycarbonate. Integrated ventilation systems, heat sinks, and active cooling solutions are incorporated into the design to manage temperature variations effectively, preventing internal component damage and ensuring reliable performance in fluctuating temperature conditions. 

How does Frigate address mechanical impact resistance in Junction box enclosure?

Frigate employs materials such as **high-impact polycarbonate and aluminum alloys that comply with IK rating standards for mechanical impact resistance. These materials ensure that Junction Boxes Enclosures withstands physical impacts, safeguarding the internal electrical components in harsh industrial environments where damage from external forces is a concern. 

What certifications does Frigate ensure for junction box enclosures in hazardous locations?

Frigate ensures that Junction Boxes Enclosures meets essential safety certifications such as ATEX, IECEx, and UL for use in explosive environments. These certifications verify that the enclosures are designed to prevent electrical faults, sparks, or arcs, minimizing the risk of ignition in hazardous, flammable environments. 

How does Frigate manage EMI/RFI shielding in Junction Boxes Enclosure for sensitive equipment?

Frigate integrates EMI/RFI shielding in junction box enclosures using conductive gaskets, metallic coatings, and sealed enclosures. These features prevent external electromagnetic interference, ensuring that electrical systems remain unaffected by disturbances, critical in environments like aerospace, telecommunications, and medical electronics. 

Get Clarity with our Manufacturing Insights

We'd love to Manufacture for you!

Submit the form below and our representative will be in touch shortly.

LOCATIONS

Global Sales Office

818, Preakness lane, Coppell, Texas, USA – 75019

Registered Office

10-A, First Floor, V.V Complex, Prakash Nagar, Thiruverumbur, Trichy-620013, Tamil Nadu, India.

Operations Office

9/1, Poonthottam Nagar, Ramanandha Nagar, Saravanampatti, Coimbatore-641035, Tamil Nadu, India. ㅤ

Other Locations

GENERAL ENQUIRIES

Get Quote
Support All File Formats Including - STEP | STP | SLDPRT | STL | DXF | IPT | X_T | X_B | 3DXML | CATPART | PRT | SAT | 3MF | JT files

Junction Boxes Enclosures

Need reliable wires and cables for your next project? Get in touch with us today, and we’ll help you find exactly what you need!

Get Latest Price

Get Price Form