Shell's new module series replaces the former SQ and SP lines but thankfully retains the same footprint and fit the same mounting structures. These are single crystal products for the most watts within the available footprint. These modules benefit from more than 30 years of experience, fine-tuning technical innovations to maximize power, and very tight +/- 5% power tolerances. Now provided are additional grounding holes, two face outward on end the frames. Series fuse ratings are raised to 20A for all modules, eliminating the need for combiner boxes in some applications. UL listed. USA.
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