LISLE, USA: Molex Inc. has released the SolarSpec Junction Box and Cable Assemblies designed for installation on the back of mono- and polycrystalline photovoltaic (PV) solar modules.
These products provide the interface between the conductor ribbons on the panel and the DC I/O cables. Molex SolarSpec solutions are specifically designed for applications in the solar and renewable energy industry.
“Tremendous growth within the solar-power market is fueling competition in the manufacture of PV solar panels. The automated fabrication of PV modules improves efficiencies, product integrity, and reduces production overhead,” states Peter Commane, product manager, Molex.
“By utilizing automated production lines, assembly time of a junction box to a PV panel can be considerably reduced. The SolarSpec Junction Box from Molex is specially designed for pick-and-place panel assembly.”
The SolarSpec Junction Box features spring terminals connecting the base directly to the PV ribbon conductors, without need for retention clamps or clips. Optional patented Solder Charge Technology facilitates high-speed assembly and eliminates the need for hand-soldering of the ribbon, significantly reducing any process variation. Optional double-sided tape removes the need for curing time on silicone when attaching the connector base to a module.
The compact dimensional profile can supply current ratings comparable with traditional larger products. The SolarSpec Junction Box assembly is supplied with two removable DC cables available in dual-qualified (TÜV and UL) or single-qualified (TÜV). The junction box contains bypass diodes to protect the PV panel from reverse current during hours of darkness, shade or when covered by leaves or other debris.
The junction box assembly houses the diodes and DC cable in the "removable" top cover of the housing to facilitate ease of field repair or replacement in the event of damage or wear. The top cover and base module are secured together with a locking mechanism to prevent accidental exposure of high-voltage contacts.
The SolarSpec Junction Box is manufactured in ISO certified production plants. The Molex SolarSpec designation ensures the unique requirements of solar applications are being addressed through the use of proven technology, solar-compliant materials and unmatched reliability in rugged environments. The SolarSpec Junction Box is the latest addition in a developing range of Molex connectors and cables assemblies for solar applications.
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