String Combiner Box
At Synchro Electricals, we manufacture high-performance String Combiner Boxes (SCBs) that ensure safe and efficient collection of DC power from multiple solar panel strings into a single inverter-ready output. Designed for durability and reliability, our SCBs provide maximum protection, simplified wiring, and long service life-making them essential for every solar installation. Synchro Electricals’ SCBs are equipped with certified fuses, surge protection devices (SPDs), and DC isolator switches to safeguard against overcurrent, voltage fluctuations, and electrical hazards. High-conductivity copper busbars with tin coating minimize voltage drop, while a structured wiring layout improves airflow, reduces heat buildup, and simplifies maintenance. Housed in IP65/IP67 enclosures, our SCBs withstand dust, water, UV, and harsh outdoor conditions. Optional monitoring modules enable real-time fault detection, ensuring safer operations, higher energy yield, and long-term system performance.
Complete Delivery
Enclosure & Protection
Our enclosures are IP65/IP67-rated, dustproof, waterproof, UV-resistant, flame-retardant, and corrosion-resistant, ensuring durability, safety, and reliable performance in harsh outdoor and industrial environments.
Fuse Holders & String Inputs
Offering configurations from 8-in/1-out to 24-in/1-out, our solution features UL/IEC-certified fuses with premium fuse holders to ensure reliable overcurrent protection for every string.
Surge Protection Devices (SPD)
It safeguards the system from voltage surges caused by lightning or grid disturbances, enhancing long-term reliability while minimizing downtime and maintenance costs.
DC Disconnect Switch / Isolator
It offers a secure method to fully isolate the combiner box during maintenance or emergencies, minimizing arc flash risks and ensuring maximum operator safety.
Busbars & Wiring
Featuring high-conductivity copper busbars with tin coating to minimize voltage drop, along with a neat wiring layout that enhances airflow and optimizes heat management.
Monitoring Devices (Optional)
Real-time string current monitoring quickly detects faults, reducing troubleshooting time and maximizing overall power generation efficiency.
Why Choose Us as Your String Combiner Box Manufacturer?
We are recognized as one of the leading string combiner box manufacturers in India, delivering robust, safe, and high-performance solutions for EPC companies, industrial solar plants, and utility-scale solar farms. Here’s why Synchro stands out:
Expertise & Experience
Decades of experience in designing and supplying solar monitoring solutions.
Pan-India Presence
Timely delivery to cities and regions like Delhi NCR, Mumbai, Chennai, Pune, Rajasthan, Gujarat, Maharashtra, and Uttar Pradesh.
Custom-Built Solutions
Tailored string monitoring boxes to suit project-specific requirements.
Pre-Engineered & Tested
Ready-to-install solutions that reduce commissioning time and enhance project efficiency.
Where It Works
- Utility-Scale Solar PV Plants – Efficiently handles large numbers of strings while ensuring safe and reliable operation.
- Commercial Rooftop Installations – Ideal for malls, offices, and warehouses, providing dependable DC power to central or string inverters.
- Industrial Solar Power Systems – Built to meet the high energy needs of factories and plants with a secure and centralized maintenance point.
- Hybrid & Off-Grid Projects – Perfect for microgrids, remote sites, and standalone systems, delivering consistent energy flow and reliable protection.