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2, using SMD optocoupler isolation, driving ability, stable performance; trigger current 5mA;. 6, the power indicator (green), relay status indicator (red). 1, NO: normally open relay interface, the relay before the vacant after the pull shorted with COM.
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.