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Each way relay with status indicator, relay suction, LED light on the opposite is not lit. 1, high level 3.3-5V trigger relay suction load circuit after energized work. 2, low level 0-2.5V trigger relay break load circuit power off.
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.