{"product_id":"allen-bradley-1794-oa8i-flex-i-o-ac-digital-output-module","title":"Allen-Bradley 1794-OA8I FLEX I\/O AC Digital Output Module","description":"\u003ch3\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1794-OA8I\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis an isolated AC digital output module designed for the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eFLEX I\/O distributed I\/O platform\u003c\/strong\u003e. It provides eight independently isolated outputs that allow a controller to switch AC loads such as motor starters, contactors, indicator lamps, and other field devices.\u003c\/p\u003e\n\u003cp\u003eThe module is engineered for reliable operation in industrial automation systems and integrates seamlessly with FLEX I\/O adapters and controllers. With channel-to-channel isolation and robust surge current capability, the 1794-OA8I ensures stable switching performance even in electrically noisy environments. Its compact design allows it to be mounted on various FLEX I\/O terminal bases, enabling flexible installation and simplified wiring for control cabinets and distributed field panels.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Outputs\u003c\/td\u003e\n\u003ctd\u003e8 isolated outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Terminal Base\u003c\/td\u003e\n\u003ctd\u003e1794-TBN(1), 1794-TBNF, 1794-TB2, 1794-TB3, 1794-TB3S, 1794-TBKD, 1794-TBNK, 1794-TBNFK, 1794-TB3K, 1794-TB3SK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage (Min)\u003c\/td\u003e\n\u003ctd\u003e85 V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage (Nominal)\u003c\/td\u003e\n\u003ctd\u003e120 V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage (Max)\u003c\/td\u003e\n\u003ctd\u003e132 V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current Rating\u003c\/td\u003e\n\u003ctd\u003e4.0 A total (8 outputs @ 500 mA each)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-State Current (Min)\u003c\/td\u003e\n\u003ctd\u003e5.0 mA per output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-State Current (Max)\u003c\/td\u003e\n\u003ctd\u003e500 mA per output @ 55 °C; 750 mA per output @ 35 °C; 1.0 A on 4 non-adjacent outputs and 500 mA on remaining 4 outputs @ 30 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-State Voltage Drop (Max)\u003c\/td\u003e\n\u003ctd\u003e1.0 V @ 0.5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSurge Current\u003c\/td\u003e\n\u003ctd\u003e7 A for 40 ms, repeatable every 8 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOff-State Leakage Current (Max)\u003c\/td\u003e\n\u003ctd\u003e2.25 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e120 V continuous, field to backplane and channel to channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Test\u003c\/td\u003e\n\u003ctd\u003eTested at 1250 V AC for 60 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Signal Delay (Off → On)\u003c\/td\u003e\n\u003ctd\u003e½ cycle maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Signal Delay (On → Off)\u003c\/td\u003e\n\u003ctd\u003e½ cycle maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlexBus Current\u003c\/td\u003e\n\u003ctd\u003e80 mA @ 5 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation (Max)\u003c\/td\u003e\n\u003ctd\u003e4.1 W @ 0.5 A; 6.3 W @ 0.75 A; 6.3 W @ 1.0 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Dissipation (Max)\u003c\/td\u003e\n\u003ctd\u003e14.0 BTU\/hr @ 0.5 A; 21.2 BTU\/hr @ 0.75 A; 21.4 BTU\/hr @ 1.0 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":51753032253751,"sku":"1794-OA8I","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0798\/8343\/6343\/files\/1794-IV16_bee417f5-cd2f-4418-8f33-e5145065eeba.jpg?v=1772764324","url":"https:\/\/www.controltech-supply.com\/sr\/products\/allen-bradley-1794-oa8i-flex-i-o-ac-digital-output-module","provider":"ControlTech Supply Limited","version":"1.0","type":"link"}