{"product_id":"optocoupler-isolation-relay-module-sra-20a","title":"[Discontinued] 5V Optocoupler Isolation Relay Module, SRA-20A","description":"\u003ch5\u003eDESCRIPTION\u003c\/h5\u003e \u003cdiv\u003e \u003cul\u003e \u003cli\u003eMaximum load: AC 125V\/20A. DC 14V\/20A; \u003c\/li\u003e \u003cli\u003eUsing SMD optocoupler isolation. driving ability. stable performance; trigger current 5mA; \u003c\/li\u003e \u003cli\u003eModule voltage: 5V.  \u003c\/li\u003e \u003cli\u003eThe module can be set to high or low triggered by jumper; \u003c\/li\u003e \u003cli\u003eFault-tolerant system. even if the control line is broken. the relay will not operate; \u003c\/li\u003e \u003cli\u003ePower indicator (green). relay status indicator (red) \u003c\/li\u003e \u003cli\u003eUser friendly interface design. All interfaces can be connected directly via terminal wiring leads. very convenient \u003c\/li\u003e \u003cli\u003emodule size: 50mm * 26mm * 18.5mm (L * W * H) \u003c\/li\u003e \u003cli\u003ehas four mounting bolts holes. hole 3.1mm. 44.5mm * 20.5mm pitch \u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e \u003c\/p\u003e \u003c\/div\u003e \u003cdiv\u003e\u003cspan\u003eInterface: \u003c\/span\u003e\u003c\/div\u003e \u003cdiv\u003e \u003cul\u003e \u003cli\u003eDC +: positive DC power supply (voltage required by the relay.5 V)\u003c\/li\u003e \u003cli\u003eDC-: negative DC power connection \u003c\/li\u003e \u003cli\u003eVREF: Ground electricode ; Connect to cathode of the controller board supply when set it to high; \u003cspan\u003eConnect to anode of the controller board \u003c\/span\u003e\u003cspan\u003esupply when set it to high\u003c\/span\u003e \u003c\/li\u003e \u003cli\u003e\u003cspan\u003eCH1: Relay controller interface\u003c\/span\u003e\u003c\/li\u003e \u003c\/ul\u003e \u003cul\u003e\u003c\/ul\u003e \u003cp\u003e \u003c\/p\u003e \u003c\/div\u003e \u003cdiv\u003e\u003c\/div\u003e \u003cdiv\u003e\u003cspan\u003eRelay outputs: \u003c\/span\u003e\u003c\/div\u003e \u003cdiv\u003e \u003cul\u003e \u003cli\u003eNO1: normally open relay interface. the relay before the vacant after the pull shorted with COM \u003c\/li\u003e \u003cli\u003eCOM1: Common Interface Relays \u003c\/li\u003e \u003cli\u003eNC1: normally closed relay interface, relay short connect with COM. after the pull-vacant \u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e \u003c\/p\u003e \u003c\/div\u003e \u003cdiv\u003e\u003c\/div\u003e \u003cdiv\u003e\u003cspan\u003eHigh and low level trigger selection ends: \u003c\/span\u003e\u003c\/div\u003e \u003cdiv\u003e \u003cul\u003e \u003cli\u003eWhen jumper short circuit with LOW is low lever trigger; \u003c\/li\u003e \u003cli\u003eWhen jumper short circuit with high is high lever trigger.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e \u003c\/p\u003e \u003ch5\u003eWHAT'S IN THE PACKAGE\u003c\/h5\u003e \u003cul\u003e \u003cli\u003e1 x optocoupler isolation relay module\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e","brand":"SainSmart","offers":[{"title":"Single channel","offer_id":49290454237338,"sku":"101-70-300","price":3.0,"currency_code":"GBP","in_stock":true},{"title":"2-channel","offer_id":49290454270106,"sku":"101-70-301","price":5.0,"currency_code":"GBP","in_stock":true},{"title":"4-channel","offer_id":49290454302874,"sku":"101-70-302","price":7.0,"currency_code":"GBP","in_stock":true},{"title":"8-channel","offer_id":49290454335642,"sku":"101-70-303","price":9.0,"currency_code":"GBP","in_stock":true},{"title":"16-channel","offer_id":49290454368410,"sku":"101-70-304","price":16.0,"currency_code":"GBP","in_stock":true}],"url":"https:\/\/coretarps.co.uk\/products\/optocoupler-isolation-relay-module-sra-20a","provider":"My Store","version":"1.0","type":"link"}