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3: Connected to the solar panel. Wiring sequence S + S - connected to the solar panel. If you need to turn off the switch at night, or the switch interface SW has been reserved for transportation and storage, then you can install the switch.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.