{"product_id":"allen-bradley-440r-d22r2-guardmaster-dual-input-safety-relay","title":"Allen-Bradley 440R-D22R2 Guardmaster Dual Input Safety Relay","description":"\u003ch3 data-start=\"0\" data-end=\"16\"\u003eDescription:\u003c\/h3\u003e\n\u003cp data-start=\"17\" data-end=\"792\"\u003eThe \u003ca href=\"https:\/\/plgautomation.com\/collections\/allen-bradley\" title=\"Allen-Bradley\"\u003eAllen-Bradley\u003c\/a\u003e 440R-D22R2 Guardmaster Dual Input Safety Relay is used in \u003ca href=\"https:\/\/plgautomation.com\/collections\/safety-components\" title=\"machine safety control\"\u003emachine safety control\u003c\/a\u003e systems to monitor dual-channel safety devices such as emergency stop buttons, safety gates, and light curtains. It provides safety-rated monitoring with internal fault detection and redundant safety outputs designed to ensure safe machine shutdown when hazardous conditions are detected. Commonly installed in manufacturing equipment, robotic work cells, packaging machinery, and automated production lines, this relay supports compliance with industrial machine safety standards. Maintenance teams and system integrators use this safety relay for safety system repairs, machine safety upgrades, control panel retrofits, and replacement of existing Guardmaster safety relays.\u003c\/p\u003e\n\u003ch3 data-start=\"794\" data-end=\"811\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"812\" data-end=\"1231\"\u003eThe Allen-Bradley 440R-D22R2 Guardmaster safety relay is used in industrial safety systems where dual-channel safety monitoring is required to protect personnel and equipment. It is commonly applied in emergency stop circuits, safety gate monitoring systems, light curtain safety installations, and machine interlock systems in manufacturing lines, robotic cells, packaging machines, and automated industrial equipment.\u003c\/p\u003e\n\u003ch3 data-start=\"1233\" data-end=\"1262\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1263\" data-end=\"1732\"\u003e• Manufacturer Part Number (MPN): 440R-D22R2\u003cbr data-start=\"1307\" data-end=\"1310\"\u003e• Product Type: Safety Relay\u003cbr data-start=\"1338\" data-end=\"1341\"\u003e• Series: Guardmaster\u003cbr data-start=\"1362\" data-end=\"1365\"\u003e• Safety Inputs: Dual Channel Input\u003cbr data-start=\"1400\" data-end=\"1403\"\u003e• Safety Outputs: 2 Normally Open (NO) Safety Contacts\u003cbr data-start=\"1457\" data-end=\"1460\"\u003e• Auxiliary Outputs: 1 Normally Closed (NC) Auxiliary Contact\u003cbr data-start=\"1521\" data-end=\"1524\"\u003e• Supply Voltage: 24V DC\u003cbr data-start=\"1548\" data-end=\"1551\"\u003e• Safety Category: Category 4 \/ SIL 3 \/ PLe capable\u003cbr data-start=\"1602\" data-end=\"1605\"\u003e• Reset Type: Manual or Automatic Reset\u003cbr data-start=\"1644\" data-end=\"1647\"\u003e• Mounting Type: DIN Rail Mount\u003cbr data-start=\"1678\" data-end=\"1681\"\u003e• Operating Temperature: -5 to 55 °C (23 to 131 °F)\u003c\/p\u003e\n\u003ch3 data-start=\"1734\" data-end=\"1758\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"1759\" data-end=\"1844\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e• Allen-Bradley \u003ca href=\"https:\/\/plgautomation.com\/products\/allen-bradley-440r-s12r2-safety-relay?_pos=1\u0026amp;_sid=b1f673c39\u0026amp;_ss=r\" title=\"440R-S12R2\"\u003e440R-S12R2\u003c\/a\u003e\u003cbr data-start=\"1785\" data-end=\"1788\"\u003e• Allen-Bradley 440R-D22R3\u003cbr data-start=\"1814\" data-end=\"1817\"\u003e• Allen-Bradley \u003ca href=\"https:\/\/plgautomation.com\/products\/allen-bradley-440r-n23132-ser-c-relay?_pos=1\u0026amp;_sid=384d6a0ec\u0026amp;_ss=r\" title=\"440R-N23132\"\u003e440R-N23132\u003c\/a\u003e\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Surplus Original Box","offer_id":50558255628590,"sku":"Surplus Original Box","price":751.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/1_0569ac5e-ddde-4e2c-8017-c94557d10c5e.jpg?v=1751982516","url":"https:\/\/plgautomation.com\/products\/allen-bradley-440r-d22r2-guardmaster-dual-input-safety-relay","provider":"PLG Automation ","version":"1.0","type":"link"}