{"product_id":"allen-bradley-1746-oa8-ac-output-module","title":"Allen-Bradley 1746-OA8 SLC 500 AC Output Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Allen-Bradley 1746-OA8 is a high-performance discrete output module engineered for the SLC 500 programmable controller platform. This module provides eight (8) isolated AC output channels, designed to interface with 120\/240V AC industrial loads. It is specifically suited for controlling devices such as motor starters, solenoid valves, and indicator lamps in demanding industrial control environments.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEight (8) discrete AC output points.\u003c\/li\u003e\n\u003cli\u003eOrganized into two (2) isolated groups of four (4) outputs each, allowing for independent power source or phase usage.\u003c\/li\u003e\n\u003cli\u003eWide operating voltage range of 85 to 264V AC.\u003c\/li\u003e\n\u003cli\u003eHigh surge current capacity of 10.0 Amps for 25 ms per point to accommodate inductive loads.\u003c\/li\u003e\n\u003cli\u003eCompact SLC 500 form factor for efficient rack mounting.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThis module is widely used in manufacturing and process automation for the control of AC-powered field devices. Typical applications include the operation of contactors, relays, and pilot lights within automated assembly lines, packaging machinery, and material handling systems.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Line\u003c\/td\u003e\n\u003ctd\u003eSLC 500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eDiscrete AC Output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Outputs\u003c\/td\u003e\n\u003ctd\u003e8 (2 groups of 4)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Voltage\u003c\/td\u003e\n\u003ctd\u003e120 \/ 240V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage Range\u003c\/td\u003e\n\u003ctd\u003e85-264V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current (5V DC)\u003c\/td\u003e\n\u003ctd\u003e185 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-Signal Delay\u003c\/td\u003e\n\u003ctd\u003e1 ms (max resistive load)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOff-Signal Delay\u003c\/td\u003e\n\u003ctd\u003e11 ms (max resistive load)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-State Voltage Drop\u003c\/td\u003e\n\u003ctd\u003e1.5V at 1.0 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSurge Current\u003c\/td\u003e\n\u003ctd\u003e10.0 Amps for 25 ms (per point)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to 60 degC (32 to 140 degF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the SLC 500 chassis power is disconnected before installing or removing the module.\u003c\/li\u003e\n\u003cli\u003eInsert the module into any available slot in the SLC 500 chassis, ensuring proper alignment with the backplane connector.\u003c\/li\u003e\n\u003cli\u003eSecure the module using the provided mounting screws to ensure a reliable electrical connection and mechanical stability.\u003c\/li\u003e\n\u003cli\u003eUse appropriate wire gauges for the terminal block connections and ensure all wiring is routed away from high-voltage AC lines or EMI sources to prevent signal interference.\u003c\/li\u003e\n\u003cli\u003eVerify that the external power source connected to the module matches the specified voltage range to prevent damage.\u003c\/li\u003e\n\u003cli\u003eHandle the module using ESD-safe practices to prevent damage to sensitive internal circuitry.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eWhat is the benefit of the isolated groups in the 1746-OA8?\u003c\/h3\u003e\u003cp\u003eThe 1746-OA8 features two isolated groups of four outputs. This allows the user to operate the module using two different power sources or phases, providing greater flexibility in circuit design and preventing a fault in one power circuit from affecting the other group.\u003c\/p\u003e\u003ch3\u003eCan this module be used for 240V AC applications?\u003c\/h3\u003e\u003cp\u003eYes, the 1746-OA8 is designed for both 120V and 240V AC applications, with an operating range of 85 to 264V AC.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":50738231607548,"sku":"1746-OA8","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_0320a43d-da12-4b67-81c5-3ccbaf3b4de4.jpg?v=1785370385","url":"https:\/\/www.electronicplc.com\/ar\/products\/allen-bradley-1746-oa8-ac-output-module","provider":"Electronic PLC","version":"1.0","type":"link"}