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Molex

Molex Product News

Molex SolarSpec™ Junction Box and Cable Assemblies

The innovative SolarSpec™ Junction Box design from Molex, with trim profile and robotic-assembly features,
simplifies the process of assembling silicon photovoltaic systems and enables PV-panel manufacturers to reduce
assembly time and production costs.

Molex SolarSpec Junction Box


The SolarSpec™ Junction Box from Molex is available for sale to global manufacturers of mono- and poly-crystalline photovoltaic (PV) solar modules. Installed by the manufacturer directly on to the back of every PV panel produced, Junction Boxes serve as the interface between the conductor ribbons on the panel and the DC input and output cables.

Solar junction boxes contain bypass and blocking diodes to protect the PV panel from reverse current during hours of darkness, if the panels are in shade or if covered by debris (e.g. leaves). The SolarSpec Junction Box contains these diodes together with the DC cable connections in the "removable" top cover of the housing, thereby facilitating easy field repair or replacement in the event of damage or wear.

The SolarSpec Junction Box Assembly can be attached to the PV solar panel using robotic pick-and-place machines. Exclusively designed spring terminals to connect the base unit directly to the PV ribbon conductors, and terminals with optional Solder Charge Technology™ facilitate high-speed assembly and eliminate the need for manual intervention. An automated approach to production removes any process variation and risk of assembly errors whilst at the same time reducing costs associated with manual labour. Double-sided adhesive tape can also significantly reduce assembly cycles, since silicone curing time is not necessary before the panel can be further handled in production.

Part Number View Inventory
13019603 SolarSpec™ Junction Box and Cable Assemblies Pin Contact
13019703 SolarSpec™ Junction Box and Cable Assemblies Socket Contact
130244 SolarSpec™ DC Socket Assembly
638236400 Tool Kit for Solar Pin and Socket Crimp Terminal
638952 Mini-Mac Applicator for Solar Pin and Socket Crimp Terminals
93170 SolarSpec™ Junction Box Assembly

Key Features:

  • Diode and cable connections contained in removable top cover
  • Each Junction Box Assembly includes 2 x 4mm² / 12 AWG solar DC cables in standard or custom lengths
  • DC cables are available dual-qualified (TÜV and UL) or single-qualified (TÜV) according to customer requirements
  • Cables are equipped with MC4 style connectors as standard (internal locking mechanism requires a tool to unlock)
  • Base supplied tray packaged suitable for robotic pick-and-place assembly
  • Spring-loaded terminals for connection to PV panel
  • Optional Solder-Charge™ terminals
  • Optional double-sided tape
  • Maximum thermal efficiency ensures low heat generation
  • Junction Box has small overall dimensions

Applications:

  • Junction boxes
  • Solar Photovoltaic (PV) panels
    • Stadiums
    • Home Installations
    • Public Buildings
    • Solar Farms (power plants)

See also:
SolarSpec™ Junction Box and Cable Assemblies (.pdf) for more product information, specifications, applications and ordering information.

SolarSpec™ Interconnect Solutions (.pdf)

Solar Junction Box (.pdf)

SolarSpec™ DC Connectors and Cable Assemblies (.pdf)



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