Panel Builder US

April 2, 2020

Littelfuse, Inc., a global manufacturer of technologies in circuit protection, power control, and sensing, recently announced the expansion of its SPXI series in-line solar fuses to include 35 to 60 amperage models. Designed to integrate into in-line assemblies within a wire harness, these 1500 V DC solar fuses protect photovoltaic (PV) installations from overloads and short circuits to minimize damage to solar panels.

“Littelfuse understands that the demands on critical solar power systems as a source of clean, renewable energy are growing,” said Sakthidharan Krishnamoorthy, product manager, Littelfuse Industrial Business Unit. “We are committed to providing higher amperage protection in a design that can be easily retrofitted within existing in-line configurations to stay ahead of the increasing needs of the industry.”

Other key benefits of the higher amperage solar SPXI in-line string fuses include:

  •  -   A single body case design to increase reliability and simplify retrofitting within existing solar power systems
  •  -   UL Recognized to UL248-19 standard, with 50 kA DC interrupting rating
  •  -   Product labels with QR codes offering real-time access to part numbers, voltage, programming terms, and date codes to save time with product replacements and inventorying


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www.littelfuse.com

 

Editor's Pick: Featured Product News


 

The KDL/D cable entry system allows cables to be installed through enclosures or other bulkhead surfaces, with the added benefit that pre-made, terminated cables can be installed without disassembling the connectors. The split-frame system enables the quick and simple installation of up to 48 cables in a single frame. Four frame sizes, starting at $16.00, fit standard cut-out dimensions and provide integrated strain relief. The KLD/D system’s robust multi-part frame design gives better mechanical stability while achieving a high degree of environmental protection.

The multi-part split-frame system clamps together with a grommet block and grommets to provide a high-density cable entry point with an IP65 environmental rating. Small and medium size grommets (from $6.00) accept cable diameters from 0.08 to 0.87 inches (2 to 22mm).

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