Junction Box Manufacturing in India
Electrical safety and durability depend heavily on the quality of enclosure systems used in installations. Star Industries specializes in Junction box manufacturing in India, delivering precision-engineered enclosures for industrial, commercial, and infrastructure projects. As a trusted Junction box manufacturer in India, we focus on structural strength, ingress protection, and long-term reliability.
Our junction boxes are manufactured using certified raw materials, precision fabrication processes, and structured quality inspections. From standard models to heavy-duty custom enclosures, we support OEMs, EPC contractors, and panel builders seeking dependable solutions from experienced junction box manufacturers in India. Every enclosure is designed for safe cable management, environmental protection, and consistent performance.
What Is a Junction Box?
A junction box is a protective enclosure that houses electrical wire connections, cable terminations, and branching points. It prevents exposure to dust, moisture, accidental contact, and mechanical damage
In industrial applications, junction boxes ensure safe electrical continuity, organized wiring, and reduced risk of short circuits. They are essential for maintaining system reliability and compliance with safety standards.
Junction Box Manufacturer in India - Product Range
Types of Junction Boxes We Manufacture
- Mild Steel (MS) Junction Boxes
- Stainless Steel (SS 304 / SS 316) Junction Boxes
- Weatherproof Junction Boxes
- IP-Rated Industrial Junction Boxes
- Wall-Mounted Electrical Junction Boxes
- Heavy-Duty Industrial Enclosures
- Custom Fabricated Junction Boxes
Each enclosure is engineered for durability and environmental resistance.
Mild Steel (MS) Junction Boxes
Manufactured using IS-grade mild steel sheets, MS junction boxes provide strong mechanical protection for industrial wiring systems. These enclosures are powder-coated to enhance corrosion resistance and surface durability
They are ideal for electrical panels, manufacturing plants, distribution systems, and industrial installations where structural strength and cost efficiency are priorities.
Stainless Steel (SS 304 / SS 316) Junction Boxes
Stainless steel junction boxes are designed for environments requiring corrosion resistance and long service life. SS 304 is suitable for general industrial and outdoor applications, while SS 316 is preferred for marine, chemical, and high-moisture environments.
These enclosures are widely used in pharmaceutical plants, food processing units, coastal infrastructure, and chemical facilities.
Industrial Applications
Our junction boxes are used in:
- Electrical distribution systems
- Power plants and substations
- Solar energy installations
- Infrastructure and utility networks
- Manufacturing and processing industries
They provide a secure and organized solution for cable joints and wiring terminations.
Uses of Junction Boxes
- Safe connection of multiple wires
- Protection of cable joints
- Organized routing of electrical circuits
- Support for maintenance and inspection
- Prevention of exposed live wiring
Proper enclosure selection enhances system efficiency and safety
Key Benefits
- Protection from dust, moisture, and impact
- Reduced electrical fault risk
- Improved wiring organization
- Long operational lifespan
- Easy installation and maintenance
Heavy-duty enclosures improve performance in demanding industrial environments.
Safety Advantages
- Prevents accidental contact with live conductors
- Reduces short-circuit and fire risks
- Supports grounding continuity
- Protects against corrosion and mechanical stress
Precision fabrication ensures secure alignment and proper closure.
Working Mechanism
Cables enter the junction box through gland holes or designated openings. Inside, wires are securely connected using terminals. The enclosure cover is fastened tightly to prevent environmental exposure.
Correct sealing and structural integrity ensure required IP protection performance.
Manufacturing Options (Compulsory Section)
As part of our structured Junction box manufacturing in India, we offer flexible manufacturing options to meet diverse industrial requirements:
1. Material Options
- Mild Steel (MS) – IS-grade sheets
- Stainless Steel SS 304
- Stainless Steel SS 316
2. Thickness Options
- 1.2 mm to heavy-duty industrial grades
- Custom thickness based on load and environmental exposure
3. Surface Finish Options
- MPowder coating (standard RAL shades)
- Hot-dip galvanizing (application-based)
- Brushed or polished stainless steel finish
4. Protection Rating Options
- IP54
- IP55
- IP65 (based on sealing configuration)
5. Structural Options
- Hinged door or removable cover
- Internal mounting plate integration
- Wall-mounted or base-mounted design
- Custom gland entry patterns
6. Production Options
- Standard ready-stock models
- Bulk production for OEM supply
- Fully customized project-based manufacturing
These manufacturing options allow flexibility for industrial, commercial, and infrastructure applications.
Manufacturing Process
- Raw material inspection
- CNC cutting and shearing
- Bending and forming
- Welding and structural assembly
- Surface finishing
- Drilling and gland hole preparation
- Final inspection and dispatch clearance
Each stage is monitored for dimensional accuracy and structural integrity
Testing & Quality Control
- Dimensional verification
- Weld strength inspection
- Powder coating thickness testing
- Surface finish evaluation
- Visual and mechanical inspection
Batch-level quality documentation is maintained for industrial supply.
Raw Materials Used
- Certified IS-grade Mild Steel sheets
- Stainless Steel 304 / 316
- Industrial-grade coating materials
Material selection depends on corrosion exposure and operational requirements.
Compliance & Standards
Our junction boxes are manufactured in line with:
- IS standards for sheet metal fabrication
- IEC guidelines for electrical enclosures
- Industry norms for ingress protection (IP classification)
Material traceability and inspection procedures are followed for bulk orders.
Manufacturing Capacity
- High-volume batch production capability
- Ready stock availability for standard sizes
- Custom production scheduling
- Timely dispatch across industrial regions in India
We serve OEMs, panel builders, contractors, and infrastructure developers.
Infrastructure & Facilities
Our facility includes:
- CNC sheet cutting machines
- Precision bending equipment
- Welding stations
- Powder coating plant
- Inspection tools and gauges
- Skilled fabrication workforce
This infrastructure supports consistent quality and reliable delivery.