{"product_id":"allen-bradley-440r-em4r2d-delayed-output-expansion-module","title":"Allen-Bradley 440R-EM4R2D Delayed Output Expansion Module","description":"\u003ch3 data-start=\"0\" data-end=\"16\"\u003eDescription:\u003c\/h3\u003e\n\u003cp data-start=\"18\" data-end=\"679\"\u003eThe \u003ca href=\"https:\/\/plgautomation.com\/collections\/allen-bradley\" title=\"Allen-Bradley\"\u003eAllen-Bradley\u003c\/a\u003e 440R-EM4R2D GSR Delayed Output Expansion Module is used in industrial \u003ca href=\"https:\/\/plgautomation.com\/collections\/safety-components\" title=\"safety control systems\"\u003esafety control systems\u003c\/a\u003e to add delayed safety output channels to a Guardmaster safety relay or safety controller, enabling time-based safety function outputs. Commonly installed in machine safety circuits, emergency stop systems, and safety interlock applications where controlled delayed output response enhances safety system performance and hazard mitigation. Safety engineers, maintenance teams, and system integrators use this module for safety system expansions, retrofit installations, replacement of failed expansion units, and customization of safety control logic.\u003c\/p\u003e\n\u003ch3 data-start=\"681\" data-end=\"698\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"700\" data-end=\"1093\"\u003eThe Allen-Bradley 440R-EM4R2D expansion module is commonly used in industrial automation environments including manufacturing production lines, robotic workcells, conveyor systems with safety gating, press lines, and process machinery where additional safety outputs with delayed behavior are required to coordinate interlocks, safe motion cessation, and controlled machine shutdown sequences.\u003c\/p\u003e\n\u003ch3 data-start=\"1095\" data-end=\"1124\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1126\" data-end=\"1913\"\u003e• Manufacturer: Allen-Bradley\u003cbr data-start=\"1155\" data-end=\"1158\"\u003e• Model: 440R-EM4R2D\u003cbr data-start=\"1178\" data-end=\"1181\"\u003e• Product Type: Safety Relay Expansion Module\u003cbr data-start=\"1226\" data-end=\"1229\"\u003e• Function: Provides delayed safety output channels for safety systems\u003cbr data-start=\"1299\" data-end=\"1302\"\u003e• Compatibility: Guardmaster safety relay and safety controller systems (model dependent)\u003cbr data-start=\"1391\" data-end=\"1394\"\u003e• Output Type: Safety rated delayed relay outputs\u003cbr data-start=\"1443\" data-end=\"1446\"\u003e• Safety Category: Designed to integrate with monitored safety systems\u003cbr data-start=\"1516\" data-end=\"1519\"\u003e• Mounting Type: DIN rail or panel mount safety module\u003cbr data-start=\"1573\" data-end=\"1576\"\u003e• Power Supply: Industrial control voltage (model dependent)\u003cbr data-start=\"1636\" data-end=\"1639\"\u003e• Indicators: Status LEDs for output and module state (model dependent)\u003cbr data-start=\"1710\" data-end=\"1713\"\u003e• Application Category: Safety output expansion for machine safeguarding\u003cbr data-start=\"1785\" data-end=\"1788\"\u003e• Operating Temperature Range: Industrial-rated conditions\u003cbr data-start=\"1846\" data-end=\"1849\"\u003e• Protection Rating: Installed within safety control enclosure\u003c\/p\u003e\n\u003ch3 data-start=\"1915\" data-end=\"1939\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"1941\" data-end=\"2091\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e• Allen-Bradley 440R-EM2R2D Safety Expansion Module\u003cbr data-start=\"1992\" data-end=\"1995\"\u003e• Allen-Bradley 440R-EM4R1 Safety Expansion Module\u003cbr data-start=\"2045\" data-end=\"2048\"\u003e• Omron G9SX Safety Output Expansion Module\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Surplus Original Box","offer_id":50558365466926,"sku":"Surplus Original Box","price":657.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/440R-EM4R2D_1000x1000_0939e860-6d7a-4003-9783-47edbac0d79e.jpg?v=1752211495","url":"https:\/\/plgautomation.com\/products\/allen-bradley-440r-em4r2d-delayed-output-expansion-module","provider":"PLG Automation ","version":"1.0","type":"link"}