{"product_id":"allen-bradley-slc-500-8-point-ac-output-module-1746-oa8","title":"Allen-Bradley SLC 500 8-Point AC Output Module 1746-OA8","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong style=\"color: #0056b3;\"\u003eAllen-Bradley 1746-OA8\u003c\/strong\u003e is an 8-point discrete AC output module engineered for the SLC 500 modular control system by Rockwell Automation. Designed for controlling AC-powered loads such as solenoids, motor starters, relays, and indicator lamps, this module operates across a nominal 120\/240 V AC supply voltage with a broad operating range of 85 to 264 V AC (47–63 Hz).\u003c\/p\u003e\n\n\u003cp\u003eOrganized into two (2) individually isolated groups of four (4) output channels each, the \u003cstrong style=\"color: #0056b3;\"\u003e1746-OA8\u003c\/strong\u003e delivers reliable signal isolation and surge protection for industrial automation systems. Weighing approximately \u003cstrong\u003e0.35 kg (0.77 lbs)\u003c\/strong\u003e, it installs into any single slot of an SLC 500 chassis, drawing a low 185 mA at 5 V DC from the backplane power supply.\u003c\/p\u003e\n\n\u003ch2\u003eCore Technical Advantages\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Grouped Channel Architecture:\u003c\/strong\u003e Features 8 AC output channels divided into two isolated groups of 4 points, enabling independent voltage source control per bank.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Current Output Performance:\u003c\/strong\u003e Provides up to 1.0 A per point at 30°C, offering higher power output per channel compared to high-density modules.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRobust Surge Capability:\u003c\/strong\u003e Supports inrush surge currents up to 10 A per point for 25 ms, allowing safe switching of heavy inductive loads.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptical Noise Isolation \u0026amp; Status LEDs:\u003c\/strong\u003e Integrates optical coupling between backplane logic and field circuitry, complete with front-panel status LEDs for real-time channel diagnostics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin: 15px 0;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background-color: #f2f2f2;\"\u003e\n      \u003cth style=\"border: 1px solid #dddddd; text-align: left; padding: 8px;\"\u003eParameter\u003c\/th\u003e\n      \u003cth style=\"border: 1px solid #dddddd; text-align: left; padding: 8px;\"\u003eSpecification Details\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px; font-weight: bold;\"\u003eBrand \/ Manufacturer\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eAllen-Bradley \/ Rockwell Automation\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px; font-weight: bold;\"\u003eCatalog Part Number\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003e1746-OA8\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px; font-weight: bold;\"\u003eProduct Series\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eSLC 500 Modular I\/O Series\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px; font-weight: bold;\"\u003eModule Type\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eDiscrete AC Output Module\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px; font-weight: bold;\"\u003eNumber of Outputs\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003e8 AC outputs (2 groups of 4 channels)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px; font-weight: bold;\"\u003eNominal Output Voltage\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003e120 \/ 240 V AC (47 to 63 Hz)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px; font-weight: bold;\"\u003eOperating Voltage Range\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003e85 to 264 V AC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px; font-weight: bold;\"\u003eContinuous Current per Point\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003e1.00 A @ 30°C (86°F) | 0.50 A @ 60°C (140°F)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px; font-weight: bold;\"\u003eContinuous Current per Module\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003e8.0 A max @ 30°C (86°F) | 4.0 A max @ 60°C (140°F)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px; font-weight: bold;\"\u003eSurge Current per Point\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003e10.0 A maximum for 25 ms\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px; font-weight: bold;\"\u003eOn-State Voltage Drop\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003e1.5 V AC max @ 1.0 A load current\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px; font-weight: bold;\"\u003eSignal Delay Times\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eOFF-to-ON: 1 ms | ON-to-OFF: 11.0 ms\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px; font-weight: bold;\"\u003eBackplane Current Consumption\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003e185 mA @ 5 V DC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px; font-weight: bold;\"\u003eSlot Width \u0026amp; Mounting\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eSingle slot \/ SLC 500 Chassis Mount\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px; font-weight: bold;\"\u003eEstimated Shipping Weight\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eApprox. 0.35 kg (0.77 lbs)\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eInstallation \u0026amp; Handling Guidelines\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChassis Power Isolation:\u003c\/strong\u003e Always turn off power to the SLC 500 rack prior to inserting or removing the 1746-OA8 module to avoid damaging backplane connections.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThermal Considerations:\u003c\/strong\u003e Observe temperature derating rules, limiting individual point currents to 0.50 A if operating temperatures reach 60°C (140°F).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWiring Isolation:\u003c\/strong\u003e Route AC output field wiring separately from low-voltage DC signals and sensor wiring to minimize noise coupling within control enclosures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical FAQs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: What is the continuous current rating per point for the Allen-Bradley 1746-OA8 module?\u003c\/strong\u003e\u003cbr\u003e\nA1: It supports 1.0 A per point at 30°C, derating to 0.5 A per point at 60°C.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ2: How much backplane current does the 1746-OA8 module consume?\u003c\/strong\u003e\u003cbr\u003e\nA2: The module consumes 185 mA at 5 V DC from the chassis backplane power supply.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ3: How are the output points grouped on the 1746-OA8 module?\u003c\/strong\u003e\u003cbr\u003e\nA3: The 8 output channels are organized into two isolated groups of 4 channels each.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52664987451524,"sku":"1746-OA8","price":182.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/7454\/7844\/files\/1746-OA8-3.jpg?v=1787318017","url":"https:\/\/www.etowonauto.com\/tr\/products\/allen-bradley-slc-500-8-point-ac-output-module-1746-oa8","provider":"Etowon Auto","version":"1.0","type":"link"}