High efficiency solar PV junction box designed to Outlast Every Imported Component Your Production Line Has Ever Seen. India’s only registered, patented solar power junction box with low-heat architecture – rated 1500VDC, IP68 sealed, TUV Rheinland certified, and built for 25 years of uninterrupted field performance.
Finding the right junction box for solar panel manufacturing is not simply a matter of matching voltage ratings and cable sizing. The junction box is the single most thermally stressed electrical component in the entire module.
As India’s registered and patented solar junction box supplier, BHB PV Solution manufactures the HpSx07 entirely in-house from enclosure moulding through bypass diode assembly to final quality validation. Every certification the HpSx07 carries – IEC compliance, RoHS certification, TUV Rheinland, Made in India, and Intellectual Property
A Standard and Indigenous Photovoltaic Company – Advancing the PV Industry, One Junction Box at a Time.
Every specification in the HpSx07 exists because a real junction box failure mode demanded a real engineering answer.
There are many types of solar junction boxes available to module manufacturers – single-body, split-body, potted, open-frame, standard voltage, high voltage. The HpSx07 sits at the top of the split-body category because its internal architecture solves the two problems that every other design manages rather than eliminates: heat concentration around bypass diodes and seal degradation under long-term UV and thermal cycling. The four feature tiles below are not marketing claims. They are specific engineering decisions, each with a documented performance rationale.
The HpSx07 series covers the full current range required for modern crystalline silicon module designs – from standard 60-cell panels through large-format bifacial modules and high-power utility configurations. All three variants operate as a DC junction box solar installation component rated at 1500VDC system voltage, with a 2000VDC connector overvoltage margin, IP68 sealing, UL94-V0,5VA flame class, and TUV Rheinland certification. Current rating is the only variable between variants every other specification is identical across the series.
Compliance certifications tell you a component passed a test on a given day. Field performance tells you whether it was engineered to last. The HpSx07 delivers both.
Choosing the right junction box for solar panel manufacturing is a 25-year decision. These eight specifications are why that decision keeps pointing to the HpSx07.
Talk to our team, compare performance, or request your first batch.
Technical and procurement questions answered for module manufacturers, EPC contractors, project developers, and global buyers.
It is a patented split-body, high efficiency solar PV junction box rated 1500VDC with IP68 sealing.
Its registered low-heat architecture reduces bypass diode temperature, minimising power loss and extending diode life.
Three variants: HpSx07-20A, HpSx07-25A, and HpSx07-30A - covering all standard module current requirements.
It manages bypass diode switching, seals the circuit to IP68, and is rated 1500VDC for all DC string configurations.
Yes. Its 1500VDC rating, IP68 sealing, and TUV Rheinland certification fully qualify it for utility-scale use.
The HpSx07-30A variant is the correct specification for high-power modules with short-circuit current above 25A.
Yes. TUV Rheinland, IEC, and RoHS certifications make BHB a qualified solar junction box supplier globally.
Contact BHB's technical team with your module's Isc at STC - they will confirm the correct current variant.
