Solar Junction Box

Indygreen Technologies offers advanced junction boxes featuring chip-based technology, engineered for superior heat dissipation, high electrical safety, and seamless integration with modern photovoltaic modules. Designed for residential, commercial, and utility-scale PV systems, these junction boxes ensure reliable performance, durability, and compliance with international standards. With customizable options and robust construction, Indygreen’s solutions optimize module efficiency and support safe, efficient solar energy generation across diverse applications.

Core Features and Specifications

Current Ratings:

20A, 25A, 30A, 35A - ideal for a wide spectrum of module capacities and large-format solar arrays.

Cable Lengths:

30 cm, 35 cm, 40 cm, 50 cm, 100 cm, 150 cm, 200 cm, with full customization available to match specific installation needs.

IP68 Protection:

Fully waterproof and dustproof enclosure (PPO or PA) for robust outdoor use, certified for 1 meter immersion and harsh environmental exposure; fully meets IEC62790 and UL3730 standards.

MC4 Connectors:

Pre-fitted industry-standard MC4 connectors (snap-in locking system) for rapid, secure string connections – compatible with all major inverter and cabling systems.

Thermal Management:

Chip-based diode arrays and optimized potting compound maximize heat dissipation, preserve overall module efficiency, and reduce thermal losses throughout extended operation.

Rated Voltage:

Typically 1000–1500 VDC for high-voltage PV arrays; compatible with current and future module designs.

Materials and Safety:

Tin-plated copper terminals, flame-retardant UL94-V0 housing, certified insulation to promote operational safety, low contact resistance (<0.5 mΩ).

Customization:

Custom box dimensions on request for utility, rooftop, and off-grid deployments.

Applications and Value

Designed for high-output mono, bifacial, and large-format PV modules
Supports string-level monitoring and safety device integration
Suitable for residential, commercial, and utility-scale installations

Quality and Reliability

Supplied with full traceability, batch certificates, and compliance documentation. Production available from local facilities or certified factories in China and Southeast Asia, supporting rapid deployment and secure supply chains.

For further technical documentation, certifications (TÜV, CE, IEC), or tailored junction box solutions, contact Indygreen Technologies' engineering team.

Get a Quote