Junon Distribution Box Guide: Performance, Properties, and Types for Industrial Applications

Types of Junon Distribution Boxes

A Junon distribution box is a critical component in electrical installations, serving as a secure housing unit for circuit breakers, fuses, and other electrical components. These enclosures ensure safe and organized power distribution across residential, commercial, and industrial environments. Junon offers a range of distribution boxes tailored to different installation requirements, environmental conditions, and load capacities.

Wall-Mounted Distribution Box

Designed for surface mounting on walls, these enclosures offer easy access and space-efficient installation in indoor environments.

Advantages

• Easy installation and maintenance access
• Space-saving shallow depth design
• Ideal for homes, offices, and compact spaces
• Neat integration into wall-mounted electrical systems

Limitations

• Limited internal space for large installations
• Not suitable for high-traffic or outdoor areas
• Requires solid wall support for mounting

Best for: Indoor residential and light commercial use, utility rooms, and basements

Floor-Mounted Distribution Box

Installed at floor level, these robust enclosures provide greater capacity and accessibility for larger electrical systems.

Advantages

• Ample space for multiple circuit breakers and components
• Stable, secure installation on solid flooring
• Easier cable routing from below
• Suitable for high-load applications

Limitations

• Takes up floor space
• May require dedicated electrical room or enclosure
• Higher installation complexity compared to wall-mounted units

Best for: Commercial buildings, industrial facilities, and main electrical panels

IP65 Rated Distribution Box

Engineered with a high ingress protection rating, this weather-resistant enclosure protects against dust and water ingress.

Advantages

• Dust-tight and protected against low-pressure water jets
• Ideal for harsh or variable environments
• Ensures long-term reliability outdoors or in damp areas
• Compliant with international safety standards

Limitations

• Higher cost due to enhanced sealing features
• May require additional ventilation for heat dissipation
• Seals need periodic inspection for wear

Best for: Outdoor installations, coastal areas, washdown zones, and humid environments

Metallised Distribution Box

Constructed with a metal-reinforced surface, these enclosures deliver superior strength and resistance to physical and environmental stress.

Advantages

• Exceptional durability and impact resistance
• Enhanced fire and heat resistance
• Superior electromagnetic shielding
• Long service life in demanding conditions

Limitations

• Heavier than plastic enclosures
• Requires proper grounding to prevent electrical hazards
• More expensive than standard plastic models

Best for: Industrial plants, manufacturing units, and high-risk electrical environments

Underground Distribution Box

Specially designed for burial, these enclosures protect electrical connections beneath the surface while supporting light traffic loads.

Advantages

• Corrosion-resistant high-quality plastic construction
• Reinforced lid supports pedestrian and light vehicle traffic
• Preserves aesthetic appeal by hiding wiring underground
• Protects cables from environmental damage and tampering

Limitations

• Requires proper drainage to prevent water accumulation
• Access may be less convenient than surface-mounted units
• Installation involves excavation and compliance with local codes

Best for: Landscaping projects, street lighting, garden lighting, and underground power distribution

Type	Installation Location	Environmental Protection	Capacity & Use	Recommended Setting
Wall-Mounted	Indoor walls	Basic indoor protection	Low to medium circuits	Residential, offices
Floor-Mounted	Floor level	Indoor environmental control	High capacity, main panels	Commercial, industrial
IP65 Rated	Outdoor or exposed areas	Dust-tight, water-resistant	Medium to high circuits	Wet/humid zones, exteriors
Metallised	Indoor/industrial	High mechanical & fire resistance	Heavy-duty applications	Factories, plants
Underground	Buried installations	Moisture and corrosion resistant	Power distribution nodes	Landscaping, roads

Expert Tip: When installing IP65 or underground distribution boxes, always ensure proper sealing and use dielectric grease on connections to prevent moisture ingress and corrosion over time. Regular inspection is recommended to maintain long-term performance and safety.

Specifications and Maintenance of Junon Distribution Boxes

Junon distribution boxes are essential components in modern electrical systems, providing secure and organized housing for circuit breakers, fuses, and other critical electrical elements. Understanding their key specifications and implementing proper maintenance practices ensures long-term reliability, safety, and operational efficiency—especially important when managing installations for commercial, industrial, or residential clients.

Key Specifications of Junon Distribution Boxes

Selecting the right distribution box involves evaluating several technical and environmental factors. Below is a detailed breakdown of the most important specifications to consider when choosing or assessing Junon models.

Material Composition

Junon distribution boxes are primarily manufactured using high-quality, UV-resistant thermoplastics such as polycarbonate (PC) and acrylonitrile butadiene styrene (ABS). These materials offer an excellent balance of strength, weight, and resistance to environmental stressors.

ABS plastic is highly impact-resistant, making it ideal for environments prone to physical shocks or vibrations. Polycarbonate, on the other hand, provides superior thermal stability and optical clarity, maintaining structural integrity even under prolonged exposure to sunlight and extreme temperatures.

For heavy-duty applications, Junon also offers metallic enclosures made from stainless steel or coated mild steel. These provide enhanced mechanical protection and are commonly used in industrial settings where fire resistance and durability are paramount.

Ingress Protection (IP) Rating

Most Junon distribution boxes feature robust IP65 or IP66 ratings, making them suitable for both indoor and outdoor installations. The IP rating system defines the level of protection against solid particles and liquids.

An IP65 rating means the enclosure is completely dust-tight and protected against low-pressure water jets from any direction. An IP66 rating offers even greater protection, resisting powerful water jets and temporary flooding, making it ideal for wet or harsh environments like construction sites, agricultural facilities, or coastal areas.

This high level of sealing ensures uninterrupted performance and protects sensitive electrical components from moisture, dust, and debris.

Load Capacity and Internal Configuration

The load capacity refers to the number and size of electrical components the box can safely accommodate. This includes space for circuit breakers, busbars, terminal blocks, and wiring.

Junon offers a range of models tailored to different applications: compact units for residential use with limited circuits, and larger, modular enclosures for commercial and industrial installations requiring higher load management and expandability.

When selecting a model, ensure that the internal layout allows for adequate spacing between components to prevent overheating and facilitate easy maintenance or future upgrades.

Size and Dimensions

Distribution boxes come in a variety of sizes, from small 4-module units for homes to large 48+ module enclosures for industrial control panels. The physical dimensions must be carefully matched to the installation space and the expected number of circuits.

Larger enclosures provide greater flexibility for expansion but require more mounting space. Compact models are ideal for tight spaces but may limit future scalability. Always verify that the chosen size maintains the specified IP rating—especially around door seals and knockouts.

Proper sizing also contributes to better heat dissipation and easier cable management, reducing the risk of electrical faults.

Number of Circuits

This specification determines how many individual circuits the distribution box can support, typically measured in "modules" (each module is usually 18mm wide).

Residential units commonly range from 4 to 12 modules, sufficient for lighting, power outlets, and basic appliances. Commercial and industrial models may support 24, 36, or even 48 modules to handle complex systems including HVAC, machinery, and emergency power supplies.

Choosing the correct number of circuits ensures efficient load distribution and simplifies troubleshooting during maintenance.

Thermal and Electrical Performance

Junon boxes are designed to operate safely within standard temperature ranges. However, internal heat buildup from high-current circuits can affect performance over time.

Plastic enclosures naturally insulate against heat, while metallic versions may require additional thermal management. Some advanced models include ventilation slots or mounting options for cooling fans in high-load environments.

All Junon boxes comply with international safety standards for dielectric strength, flame resistance, and electrical insulation, ensuring reliable operation under normal and fault conditions.

Specification	Typical Range/Value	Application Guidance
Material Type	ABS, Polycarbonate, Stainless Steel, Coated Mild Steel	Use plastic for general indoor/outdoor use; metal for industrial or fire-prone areas
IP Rating	IP65, IP66	Essential for outdoor, wet, or dusty environments
Module Capacity	4 to 48+ modules	Residential: 4–12; Commercial: 12–24; Industrial: 24+
Operating Temperature	-25°C to +85°C (plastic), -40°C to +100°C (metal)	Consider ambient conditions and internal heat generation
Mounting Options	DIN rail, surface mount, flush mount	Ensure compatibility with panel design and accessibility

Essential Maintenance Tips for Longevity and Safety

Regular maintenance of Junon distribution boxes not only extends their service life but also enhances electrical safety and system reliability. Below are best practices to follow for optimal performance.

Regular Visual Inspection: Conduct periodic checks for cracks, warping, dents, or discoloration—especially in plastic enclosures exposed to UV light. Inspect mounting hardware and ensure the box remains securely fixed. Early detection of damage prevents water ingress and electrical hazards.

Seal and Gasket Maintenance: The integrity of door seals is crucial for maintaining the IP rating. Clean rubber gaskets regularly with a damp cloth and mild detergent. Replace worn or brittle seals immediately to prevent dust and moisture penetration.

Corrosion Monitoring (Metal Enclosures): For stainless steel or coated steel boxes, inspect for signs of rust, pitting, or coating degradation. Apply anti-corrosion treatments if necessary and ensure fasteners are corrosion-resistant (e.g., stainless steel screws).

Thermal Management: In high-load environments, monitor internal temperatures. Install ventilation grilles or exhaust fans if excessive heat is detected. Avoid overfilling the enclosure to allow proper airflow around components.

Lubrication of Moving Parts: If the distribution box includes hinges or locking mechanisms, apply a small amount of dielectric grease or silicone-based lubricant annually to prevent seizing and ensure smooth operation without compromising electrical safety.

Cleaning Protocol: Wipe down the exterior with a soft, damp cloth. Avoid high-pressure water jets unless the IP rating explicitly allows it. Never use abrasive cleaners or solvents that could degrade plastic or protective coatings.

Internal Component Check: Periodically inspect internal wiring, connections, and breakers for looseness, overheating (evidenced by discoloration), or arcing. Tighten terminals as needed following safety procedures and lockout/tagout protocols.

Important: Always de-energize the electrical system before performing any inspection or maintenance on a distribution box. Follow local electrical codes and manufacturer guidelines to ensure compliance and safety. Using non-OEM parts or modifying enclosures can void certifications and create fire or shock risks. Regular, proactive maintenance not only protects equipment but also safeguards personnel and reduces downtime.

What to Consider When Choosing a Junon Distribution Box

Selecting the right Junon distribution box is essential for ensuring electrical safety, system reliability, and long-term operational efficiency. These enclosures serve as critical junction points for power distribution, protecting sensitive components from environmental hazards and physical damage. The right choice depends on a thorough understanding of application requirements, environmental conditions, and compliance standards.

Ingress Protection (IP) Rating

The IP rating determines the level of protection a distribution box offers against solid particles and liquids. For outdoor or high-moisture environments—such as construction sites, agricultural facilities, or coastal areas—selecting a box with a high IP rating is crucial.

• IP65: Dust-tight and protected against low-pressure water jets—ideal for outdoor installations exposed to rain
• IP66: Resists powerful water jets, suitable for washdown areas or industrial zones
• IP67: Can withstand temporary immersion in water, perfect for flood-prone or underground applications
• IP54: Offers basic protection against dust and splashing water—adequate for indoor industrial use

Key consideration: Always match the IP rating to the installation environment to prevent moisture ingress and internal corrosion.

Material Composition

The material of the distribution box significantly affects durability, weight, and resistance to environmental stressors. Junon offers enclosures in both thermoplastic and metal variants, each suited to specific use cases.

• ABS/Polycarbonate (Plastic): Lightweight, non-conductive, and highly resistant to rust and UV degradation—ideal for outdoor telecom, solar, or residential applications
• Stainless Steel: Offers superior strength and corrosion resistance—perfect for marine, chemical, or food processing environments
• Mild Steel (Painted/Galvanized): Cost-effective and robust for industrial or commercial indoor installations with moderate environmental exposure
• Fire-Retardant Polymers: Used in high-safety zones where flame spread must be minimized

Pro tip: In corrosive or humid environments, avoid standard steel enclosures unless properly coated or galvanized.

Box Size and Capacity

Choosing the correct size ensures efficient organization of circuit breakers, terminal blocks, and wiring. An undersized box leads to overcrowding and overheating, while an oversized one wastes space and increases costs.

• Measure the total number of circuits and required DIN rail space before selection
• Allow at least 20% extra space for future expansions or upgrades
• Consider terminal arrangement and wire bending radius to avoid strain on connections
• Larger enclosures often support modular components for scalability

Critical factor: Proper sizing improves airflow, reduces heat buildup, and simplifies maintenance access.

Ventilation and Thermal Management

Electrical components generate heat during operation. Without proper ventilation, excessive temperatures can degrade insulation, reduce lifespan, and pose fire risks.

• For high-power applications (e.g., motors, transformers), choose enclosures with built-in ventilation slots or louvers
• Active cooling options like exhaust fans are recommended for sealed boxes in hot climates
• Thermal convection designs use top and bottom vents to create natural airflow
• Ensure vent locations prevent water or debris entry, especially in outdoor models

Technical note: In sealed environments, consider internal thermostats or thermal cut-offs for added protection.

Ease of Installation and Accessibility

A well-designed distribution box streamlines installation and reduces labor time for electricians. Features that enhance usability include pre-drilled mounting holes, knockouts, and tool-less access panels.

• Multiple cable entry points (top, bottom, sides) allow flexible routing and reduce strain
• Removable inner doors or hinged DIN rails simplify wiring and inspection
• Clear labeling areas support organized circuit identification
• Modular knockouts accommodate various conduit sizes without additional drilling

Time-saving tip: Opt for models with pre-fitted mounting brackets and grommets to speed up field installation.

Certification and Regulatory Compliance

Compliance with international and regional electrical standards ensures safety, reliability, and legal conformity. Using non-certified enclosures can void insurance and lead to regulatory penalties.

• Look for IEC 60529 (IP rating), IEC 60439 (low-voltage switchgear), and EN 50272 standards
• In North America, NEMA Type ratings (e.g., NEMA 3R, 4X) are equivalent to IP classifications
• CE, RoHS, and CCC marks indicate adherence to environmental and safety directives
• Fire safety certifications (e.g., UL 94 V-0) are critical for plastic enclosures

Smart choice: Always verify that the Junon model meets local authority requirements before procurement.

Professional Recommendation: For most commercial and industrial applications, a stainless steel or high-impact polycarbonate enclosure with an IP65 rating or higher provides the best balance of durability, protection, and value. Ensure adequate internal space for future upgrades and verify compliance with local electrical codes. When in doubt, consult the manufacturer’s technical datasheet for detailed specifications and installation guidelines.

Application Environment	Recommended Material	Minimum IP Rating	Key Features
Outdoor Residential	UV-Resistant Polycarbonate	IP65	Sealed gaskets, cable glands, corrosion-resistant hinges
Industrial Factory	Galvanized Mild Steel	IP54	DIN rail support, ventilation options, heavy-duty latch
Marine/Coastal	Stainless Steel (316 Grade)	IP66	Marine-grade seals, anti-corrosion coating, drain holes
Harsh Chemical Areas	Fiberglass-Reinforced Plastic	IP67	Chemical resistance, non-conductive, flame retardant

Additional Considerations

• Lockability: Enclosures with padlock-compatible hasps enhance security in public or shared spaces
• Color Options: Light-colored boxes reflect heat, reducing internal temperature in sunny locations
• Mounting Flexibility: Wall-mount, pole-mount, or flush-mount options increase installation versatility
• Accessories: Look for availability of terminal barriers, surge protectors, and humidity indicators
• Warranty and Support: Reputable brands like Junon often provide extended warranties and technical support for their enclosures

Scenarios for Junon Distribution Boxes: Reliable Power Management Across Industries

Distribution boxes are essential components in modern electrical infrastructure, providing clients with safe, organized, and reliable housing for critical electrical components. Junon distribution boxes are engineered to meet diverse industry demands, offering protection against electrical hazards, minimizing system downtime, and ensuring compliance with safety standards. Their robust design supports efficient power distribution in a wide range of environments—from industrial complexes to residential homes and outdoor installations.

Pro Tip: Proper selection of distribution boxes based on environmental conditions, load requirements, and accessibility needs can significantly enhance system reliability and reduce long-term maintenance costs.

Industrial Setup

Large manufacturing plants, production facilities, and warehouses operate heavy machinery that demands high-capacity and stable power distribution. Junon distribution boxes are widely used in these environments to securely house circuit breakers, busbars, fuses, terminal blocks, and control relays. Their modular design allows for easy scalability as operational needs evolve.

These enclosures help maintain an organized electrical system, enabling technicians to quickly identify circuits during troubleshooting or routine maintenance. With durable construction resistant to dust, vibration, and minor impacts, Junon boxes ensure uninterrupted operations in demanding industrial settings.

• Supports three-phase power distribution for motors and industrial equipment
• Facilitates lockout/tagout (LOTO) procedures for worker safety
• Available with customizable layouts for integration with automation systems
• Designed for wall mounting or floor-standing configurations in control rooms

Commercial Buildings

In commercial environments such as office buildings, shopping malls, hotels, and retail centers, electrical systems must support lighting, HVAC, elevators, security systems, and IT infrastructure. Junon distribution boxes provide a centralized and secure solution for managing complex power networks across multiple zones.

Mounted on walls or ceilings in electrical closets or service corridors, these enclosures offer quick access to circuit breakers for maintenance, repairs, or load balancing. Their sleek, low-profile design blends seamlessly into architectural interiors while maintaining full functionality.

• Enables efficient sub-circuit management for tenant spaces or departments
• Supports integration with building management systems (BMS)
• Fire-resistant materials enhance safety in densely occupied areas
• Clear labeling panels allow facility managers to monitor circuit status at a glance

Residential Buildings

Modern homes and apartment units rely on compact yet effective electrical distribution systems. Junon residential distribution boxes are designed for smaller-scale applications, offering a user-friendly interface for homeowners and electricians alike. Typically installed in basements, utility rooms, or garage walls, they centralize control over lighting, outlets, kitchen appliances, and HVAC systems.

Their compact footprint makes them ideal for tight spaces, while the intuitive internal layout simplifies understanding of the home’s electrical circuitry—especially helpful during upgrades or emergency shut-offs.

• Pre-labeled circuits reduce confusion during maintenance
• Child-safe covers available to prevent accidental contact
• Compatible with residual current devices (RCDs) for enhanced personal protection
• Easy retrofit options for older homes undergoing electrical upgrades

Outdoor Applications

Outdoor environments such as public parks, sports facilities, campgrounds, street lighting networks, and parking lots require electrical systems that withstand harsh weather conditions. Junon’s IP65-rated distribution boxes provide excellent protection against dust ingress and water jets, ensuring long-term reliability even in wet or humid climates.

These enclosures are constructed from UV-resistant, impact-durable materials and feature sealed gaskets and corrosion-proof fasteners. Some models are designed for semi-flush or underground installation, with reinforced lids capable of supporting light to medium vehicular traffic—making them ideal for roadside or pathway installations.

• IP65 protection ensures performance in rain, snow, and extreme temperatures
• Anti-condensation vents maintain internal dryness
• Suitable for temporary event power setups or permanent landscape lighting
• Lockable doors prevent unauthorized access in public areas

Renewable Energy Systems

As solar and renewable energy adoption grows, efficient and safe power integration becomes crucial. Junon distribution boxes play a key role in photovoltaic (PV) systems by housing inverters, DC/AC disconnects, surge protectors, fuses, and monitoring equipment. These enclosures ensure proper isolation, grounding, and protection of sensitive electronics.

Constructed from high-quality, non-conductive plastic, they are lightweight and easy to transport to rooftop or remote solar installations. The smooth interior walls and spacious compartments allow for clean cable routing and quick, error-free connections—reducing installation time and improving system efficiency.

• Designed to meet NEC and IEC standards for solar applications
• Supports both string and microinverter configurations
• Integrated grounding busbars enhance system safety
• Optional ventilation kits for heat dissipation in hot climates

Temporary Construction Sites

Construction sites require flexible, portable, and durable power solutions to support tools, temporary lighting, and site offices. Junon portable distribution boxes are built for rugged use, featuring impact-resistant housings, weatherproof seals, and convenient carrying handles for easy relocation between work zones.

These enclosures distribute power safely from temporary generators or grid connections, often including multiple outlets, GFCI protection, and clearly labeled breakers. Their sturdy construction ensures resilience against drops, debris, and exposure to the elements—critical in dynamic construction environments.

• Equipped with industrial-grade sockets (e.g., IEC 60309 connectors)
• GFCI protection reduces risk of electric shock on wet job sites
• Daisy-chaining capability allows expansion of power networks
• Meets OSHA and local electrical code requirements for temporary installations

Application	Key Features	Environmental Protection	Recommended Use Cases
Industrial	High current capacity, modular design, LOTO compatibility	IP54 – Dust and splash resistant	Factories, processing plants, warehouses
Commercial	Sleek design, easy access, BMS integration	IP42 – Indoor protection	Office buildings, malls, hotels
Residential	Compact size, pre-labeled circuits, child-safe options	IP41 – Basic indoor use	Homes, apartments, townhouses
Outdoor	Weatherproof, UV-resistant, underground-capable	IP65 – Full dust and water jet protection	Parks, street lighting, campgrounds
Renewable Energy	Lightweight, spacious interior, grounding support	IP65 – Outdoor solar readiness	Solar farms, rooftop PV systems
Construction Sites	Portable, GFCI-protected, impact-resistant	IP54 – Rugged temporary use	Building sites, event setups, remote locations

Expert Insight: When selecting a Junon distribution box, always consider future expansion, environmental exposure, and regulatory compliance. A well-chosen enclosure not only protects your investment but also enhances system uptime, safety, and ease of maintenance across its lifecycle.

Junon distribution boxes are more than just electrical enclosures—they are intelligent power management solutions tailored to meet the evolving needs of modern infrastructure. Whether deployed in a high-rise office, a suburban home, or a remote solar array, their reliability, adaptability, and safety features make them a trusted choice for professionals and property owners alike.

Frequently Asked Questions About Junon Distribution Boxes

Q1: Are all Junon distribution boxes suitable for outdoor use?

No, not all Junon distribution boxes are designed for outdoor environments. The suitability largely depends on the Ingress Protection (IP) rating of the enclosure:

• Outdoor Use: Models with high IP ratings such as IP65, IP66, or IP67 are weather-resistant, dust-tight, and capable of withstanding rain, moisture, and UV exposure—making them ideal for outdoor installations.
• Indoor Use: Distribution boxes with lower IP ratings (e.g., IP40 or IP54) are best suited for indoor applications where they are protected from environmental elements.

Always verify the IP rating before selecting a distribution box for outdoor deployment to ensure durability, safety, and long-term performance in harsh conditions.

Q2: What materials are commonly used for Junon distribution boxes?

Junon distribution boxes are manufactured from a range of materials, each tailored to specific environmental and operational demands:

• ABS Plastic: Lightweight, cost-effective, and resistant to corrosion—ideal for general indoor use and light-duty applications.
• Polycarbonate: Offers superior impact resistance and transparency in some models, making it suitable for areas requiring visibility and moderate durability.
• Stainless Steel: Preferred in heavy-duty or industrial environments due to its exceptional strength, corrosion resistance, and ability to withstand extreme temperatures and physical stress.
• Mild Steel: Often powder-coated for added protection, this material provides robust mechanical support and is commonly used in commercial and industrial installations where tamper resistance and longevity are key.

The choice of material should align with the installation environment—whether it's a humid outdoor space, a corrosive industrial plant, or a standard indoor electrical room.

Q3: How can distributors ensure the safety of Junon distribution boxes indoors?

To guarantee safe and compliant indoor installations, distributors should follow these best practices:

• Certification Compliance: Ensure that the distribution box meets recognized international and local safety standards such as IEC, UL, CE, or CCC, which verify electrical insulation, fire resistance, and structural integrity.
• Proper Ventilation: Select enclosures with built-in ventilation slots or cooling mechanisms to prevent overheating, especially when housing high-load circuits or multiple components.
• Correct Mounting: Distributors should guide clients on secure wall mounting or panel installation to avoid strain on wiring and connections.
• Adequate Internal Space: Recommend models with sufficient clearance for cable management, heat dissipation, and future upgrades.
• Regular Inspection Guidance: Advise end-users to periodically check for signs of wear, overheating, or loose terminals to maintain long-term safety.

By prioritizing certified products and proper installation protocols, distributors play a crucial role in preventing electrical hazards and ensuring reliable system performance.

Q4: How do users know the right size of a distribution box to buy?

Selecting the correct size is essential for both functionality and safety. Distributors can help clients determine the appropriate size using the following methods:

• Measure Existing Enclosures: If replacing an old unit, measuring the height, width, and depth of the current distribution box provides a reliable baseline for size selection.
• Assess Electrical Load: Calculate the total electrical load (in amperes) that the box will handle. Larger loads require bigger enclosures to accommodate thicker cables and prevent overheating.
• Count the Number of Circuits: The number of circuit breakers or modules determines the required internal space. For example:
  • 6–12 circuits → Medium-sized box (e.g., 300 x 200 x 100 mm)
  • 12–24 circuits → Large box with modular rail support
• Allow for Future Expansion: It’s wise to choose a slightly larger box than currently needed to allow for additional circuits or upgrades without requiring replacement.
• Check Clearance Requirements: National electrical codes often specify minimum clearance around components inside the box for safety and accessibility during maintenance.

By combining physical measurements with electrical planning, users can select a Junon distribution box that ensures optimal performance, safety, and scalability.