{"product_id":"1746-ow8-industrial-automation-module-reliable-by-allen-bradley","title":"1746-OW8 Industrial Automation Module - Reliable by Allen-Bradley","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eWhen your SLC 500 system demands reliable switching across mixed voltage levels, the Allen-Bradley 1746-OW8 delivers a robust solution. This Digital Contact Output Module provides eight (8) Normally Open (N.O.) relay channels, each capable of handling 5-265V AC or 5-125V DC. With two (2) output groups of four (4) channels per common, the 1746-OW8 lets you operate different voltage categories on a single module—eliminating the need for interposing relays and saving valuable panel space.\u003c\/p\u003e\u003ch2\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Voltage Handling:\u003c\/strong\u003e Operates across 5-265V AC or 5-125V DC, accommodating diverse field devices.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo Independent Groups:\u003c\/strong\u003e Each group of 4 channels shares a common, allowing mixed voltage operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Current Capacity:\u003c\/strong\u003e 1.5 A per output at 120V AC and 1.2 A at 24V DC, with a continuous module current of 16 A AC (8 A per group).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Switching:\u003c\/strong\u003e Step response of 60 ms in and 2.5 ms out, with signal delays of 10.0 ms for both ON and OFF transitions at maximum resistive load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpace-Saving Design:\u003c\/strong\u003e Occupies a single slot in the SLC 500 chassis, regardless of installation position.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eRockwell Automation\u003c\/td\u003e\n\u003c\/tr\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\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e1746-OW8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\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\u003eDigital Contact Output Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Outputs\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e5-265V AC or 5-125V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Groups\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePoints per Group\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Type\u003c\/td\u003e\n\u003ctd\u003eN.O. Relay Contact\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent per Output (120V AC)\u003c\/td\u003e\n\u003ctd\u003e1.5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent per Output (24V DC)\u003c\/td\u003e\n\u003ctd\u003e1.2 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current\u003c\/td\u003e\n\u003ctd\u003e0.85-0.9 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStep Response\u003c\/td\u003e\n\u003ctd\u003e60 ms in, 2.5 ms out\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Delay (Max Resistive Load)\u003c\/td\u003e\n\u003ctd\u003eON = 10.0 ms, OFF = 10.0 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContinuous Current per Module\u003c\/td\u003e\n\u003ctd\u003e16.0 A AC (8.0 A per group)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-25 to 60 °C (-13 to 140 °F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNonoperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to 85 °C (-40 to 185 °F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e5-95% without condensation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Vibration\u003c\/td\u003e\n\u003ctd\u003e2g at 10-500 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Shock\u003c\/td\u003e\n\u003ctd\u003e30g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeat Dissipation\u003c\/td\u003e\n\u003ctd\u003e3.7 W max (0.138 W per point)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current at 5V DC\u003c\/td\u003e\n\u003ctd\u003e85 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current at 24V DC\u003c\/td\u003e\n\u003ctd\u003e90 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eIndustry Applications\u003c\/h2\u003e\u003cp\u003eThe Allen-Bradley 1746-OW8 is designed for use with SLC 500 programmable logic controllers, including fixed and modular configurations. It is compatible with SLC 5\/01, 5\/02, 5\/03, 5\/04, and 5\/05 processors. Typical applications include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor and Valve Control:\u003c\/strong\u003e Switching AC or DC loads such as contactors, solenoids, and small motors in discrete manufacturing lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMixed-Voltage Systems:\u003c\/strong\u003e Controlling devices that operate at different voltage levels within the same panel, reducing the need for interposing relays.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote I\/O Installations:\u003c\/strong\u003e In remote I\/O chassis, the 1746-OW8 can be placed in any slot other than slot 0, which is reserved for a communication adapter.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation \u0026amp; Setup Guidance\u003c\/h2\u003e\u003cp\u003eInstall the 1746-OW8 in a suitable slot of your SLC 500 chassis. Ensure the power is removed before connecting or disconnecting any wiring. The module is supplied as open-type equipment and should be installed in an enclosure that provides protection against environmental contaminants. Maintain a pollution level no higher than Pollution 2 (as defined in EN\/IEC 60664-1) when used in Zone 2 environments. Use only tools or appliances to access the enclosure, and never disconnect equipment in hazardous areas without de-energizing the circuit.\u003c\/p\u003e\u003ch2\u003eMaintenance \u0026amp; Reliability\u003c\/h2\u003e\u003cp\u003eRegularly inspect the module for signs of overheating, loose connections, or relay wear. The relay contacts are rated for 1.5 A at 120V AC and 1.2 A at 24V DC; exceeding these ratings can shorten relay life. Surge suppression devices can be added to protect against voltage spikes and extend the module's operational lifespan. Keep the enclosure clean and ensure proper airflow to maintain the operating temperature within -25 to 60 °C.\u003c\/p\u003e\u003ch2\u003eCompatibility \u0026amp; Integration\u003c\/h2\u003e\u003cp\u003eThe 1746-OW8 integrates seamlessly with the SLC 500 platform, including fixed and modular processors. It supports remote I\/O configurations, where it can be installed in any slot except slot 0. The module's two isolated groups allow you to connect loads with different voltage requirements, simplifying system design and reducing component count.\u003c\/p\u003e\u003ch2\u003eSelection Guide \u0026amp; Purchasing Advice\u003c\/h2\u003e\u003cp\u003eBefore purchasing, verify that your SLC 500 chassis has an available slot and that the backplane current requirements (0.85-0.9 A) are within your system's capacity. Confirm the voltage and current ratings of your field devices to ensure they match the module's capabilities. For expert guidance and genuine Allen-Bradley 1746-OW8 modules, trust PLC Source PRO to supply reliable automation spares that keep your operations running.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default","offer_id":44434764857443,"sku":"1746-OW8","price":213.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/8635\/0435\/files\/1746-A13_3__E5_89_AF_E6_9C_AC_903b6851-4cf7-482f-8a9e-c7db96a7682d.jpg?v=1785771166","url":"https:\/\/www.plcsourcepro.com\/he\/products\/1746-ow8-industrial-automation-module-reliable-by-allen-bradley","provider":"PLC Source PRO","version":"1.0","type":"link"}