{"product_id":"allen-bradley-1771-ow-selectable-contact-output-module","title":"Allen-Bradley 1771-OW Selectable Contact Output Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe Allen-Bradley 1771-OW is a high-reliability relay contact output module designed for the legacy PLC-5 Universal I\/O chassis. This module features eight independent output channels, strategically arranged into four isolated groups of two outputs each. This grouping allows for the simultaneous control of multiple circuits operating at different voltage levels and phases within a single module.\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"citation-798 citation-end-798\"\u003eEngineered for maximum versatility, the 1771-OW allows users to select between Normally Open (N.O.) and Normally Closed (N.C.) contact states for each individual channel via internal jumpers.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eThis hardware-level configurability makes it an essential component for fail-safe logic and complex switching requirements in heavy-duty industrial automation.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"citation-797\"\u003e\u003c\/span\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e\u003cspan class=\"citation-797 citation-end-797\"\u003e\u003cspan\u003e \u003c\/span\u003eAllen-Bradley \/ Rockwell Automation\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModel Number:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e1771-OW\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Series:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePLC-5 (1771 I\/O)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOutput Type:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSelectable Relay Contact (Electromechanical)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNumber of Outputs:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e8 Channels (4 isolated groups)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eContact State:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUser-selectable (Normally Open or Normally Closed)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eVoltage Range (AC):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e24V to 138V AC (Resistive)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eVoltage Range (DC):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e24V to 125V DC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eContinuous Current:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e1.0A per channel (max 8.0A per module)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"citation-796\"\u003e\u003c\/span\u003e\u003cstrong\u003eBackplane Current Load:\u003c\/strong\u003e\u003cspan class=\"citation-796 citation-end-796\"\u003e\u003cspan\u003e \u003c\/span\u003e700mA\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower Dissipation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e4.1W (max)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e0 to 60 °C (32 to 140 °F)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e3.5 x 13 x 14.5 cm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInterface and Circuit Protection\u003c\/h3\u003e\n\u003cp\u003eThe 1771-OW module is built to withstand the rigors of power plant and factory floor environments. It provides robust galvanic isolation between the output contacts and the backplane logic, safeguarding the PLC-5 processor from electrical transients and field-side surges.\u003c\/p\u003e\n\u003cp\u003eFor simplified maintenance and installation, the module utilizes a swing-arm wiring assembly (1771-WD), allowing for module replacement without disconnecting individual field wires. Status indicators on the front panel provide real-time visual diagnostics for each output channel, streamlining troubleshooting. This module is widely used in applications involving motor starters, solenoids, and pilot lights where reliable mechanical switching is preferred over solid-state alternatives.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":45519120367789,"sku":"1771-OW","price":1299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/allen-bradley-1771-ow-selectable-contact-output-module-zhbnupxrs0w.jpg?v=1766987406","url":"https:\/\/www.maxwellplc.com\/products\/allen-bradley-1771-ow-selectable-contact-output-module","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}