{"product_id":"allen-bradley-1762-ob8-solid-state-expansion-module","title":"Allen-Bradley 1762-OB8 Solid-State Expansion Module","description":"\u003ch2\u003eProduct Introduction\u003c\/h2\u003e\u003cp\u003eWhen your automation system demands reliable, high-speed output switching with minimal power loss, the \u003cstrong\u003eAllen-Bradley 1762-OB8\u003c\/strong\u003e Solid-State Expansion Module delivers. Part of the MicroLogix 1200 series, this 8-point digital DC output module provides robust sourcing outputs for industrial control applications. With a wide operating voltage range of 20.4 to 26.4V DC, it ensures consistent performance even in fluctuating power environments. The solid-state design eliminates mechanical wear, offering extended service life and reduced maintenance costs—key factors for improving your system's total cost of ownership.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cp\u003eBased on manufacturer data, the \u003cstrong\u003eAllen-Bradley 1762-OB8\u003c\/strong\u003e offers the following key parameters:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutputs:\u003c\/strong\u003e 8 digital sourcing outputs at 24V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e 20.4–26.4V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Current:\u003c\/strong\u003e 115 mA at 5V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Load per Point:\u003c\/strong\u003e 0.5A (aggregate 4A per module)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntermittent Surge:\u003c\/strong\u003e 2A for 10 ms, repeatable every 2 seconds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal Delays:\u003c\/strong\u003e ON-state 0.1 ms, OFF-state 1.0 ms (resistive load)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeakage Current:\u003c\/strong\u003e 1.0 mA max ON\/OFF state\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eON-State Voltage Drop:\u003c\/strong\u003e 1.0V DC max\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Dissipation:\u003c\/strong\u003e 1.6 Watts operational\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolation:\u003c\/strong\u003e Group-to-backplane tested at 1200V AC \/ 1697V DC for 1 second\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e 0 to 55°C (32 to 131°F) at 5–95% RH non-condensing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage Temperature:\u003c\/strong\u003e -40 to 85°C (-40 to 185°F)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVibration\/Shock:\u003c\/strong\u003e 5G @ 500 Hz vibration; 30G shock\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 90 x 87 x 40.4 mm; weight 210 g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e DIN Rail\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e UL, c-UL, CE\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eIndustry Applications\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003e1762-OB8\u003c\/strong\u003e excels in applications requiring fast, reliable DC output control. Use it for solenoid valves, indicator lights, small motor starters, and interposing relays in packaging, material handling, and assembly lines. Its solid-state outputs eliminate contact bounce and arcing, making it ideal for high-cycle operations where uptime is critical. In a typical conveyor sorting system, the module's 0.1 ms ON delay ensures precise timing for divert gates, improving throughput and reducing product jams.\u003c\/p\u003e\u003ch2\u003eInstallation \u0026amp; Maintenance\u003c\/h2\u003e\u003cp\u003eMount the \u003cstrong\u003e1762-OB8\u003c\/strong\u003e on a standard DIN rail within the MicroLogix 1200 chassis. Ensure proper backplane connection and observe the maximum power supply distance of six module lengths. For reliable operation, keep ambient temperature below 55°C and humidity non-condensing. No routine calibration is required, but periodic inspection of terminal connections and load currents helps prevent overstress. The solid-state design inherently resists vibration and shock, reducing the need for frequent replacements—a direct benefit to your maintenance budget.\u003c\/p\u003e\u003ch2\u003eSelection Guide \u0026amp; Purchasing Advice\u003c\/h2\u003e\u003cp\u003eBefore purchasing, verify that your MicroLogix 1200 controller supports expansion modules and that the backplane current of 115 mA at 5V is within your system's supply capacity. For additional outputs, consider pairing multiple \u003cstrong\u003e1762-OB8\u003c\/strong\u003e modules. \u003cstrong\u003eUBEST Automation\u003c\/strong\u003e (ubest101.myshopify.com) offers genuine Allen-Bradley 1762-OB8 modules with fast shipping and technical support. Ensure you order the correct catalog number to match your application requirements.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default","offer_id":44403836944483,"sku":"1762-OB8","price":227.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/8635\/0435\/files\/1762-OB8_3.jpg?v=1785009077","url":"https:\/\/www.plcsourcepro.com\/products\/allen-bradley-1762-ob8-solid-state-expansion-module","provider":"PLC Source PRO","version":"1.0","type":"link"}