{"product_id":"allen-bradley-440r-n23120-guardmaster-msr-safety-relay","title":"Allen-Bradley 440R-N23120 Guardmaster MSR Safety Relay","description":"\u003ch3\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Allen-Bradley\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e440R-N23120\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-integrity safety relay from the Guardmaster Minotaur \/ MSR family. It is designed to monitor emergency stop buttons, safety gates, interlock switches, light curtains, valves, tactile sensors, magnetic switches, and proximity sensors, ensuring machinery stops safely in hazardous situations.\u003c\/p\u003e\n\u003cp\u003eThis relay features dual-channel monitoring for redundancy and fault detection, providing maximum reliability for critical industrial safety systems. Its compact DIN-rail mountable design allows easy integration into standard control panels.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eElectrical \u0026amp; Functional Details\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eRated operation current: 6 A at AC-15, 230 V; 3 A at DC-13, 24 V\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eControl supply voltage: 24 V AC\/DC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVoltage type for actuating: AC\/DC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSafety category: ISO 13849-1 Category 4\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePerformance level: PL e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNumber of undelayed safety outputs: 2\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReset options: Manual monitored (configurable)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRail mounting: Supported\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnclosure IP rating: IP20 (terminals), IP40 overall\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eMechanical \u0026amp; Environmental Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eMaximum shock acceleration: 10 g\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMaximum vibration displacement: 0.35 mm Pk-Pk\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMaximum vibration frequency: 55 Hz\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDimensions (HxWxD): 75 × 22.5 × 110 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWeight: 0.16 kg\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOperating temperature: –5 °C to +55 °C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStorage temperature: –40 °C to +85 °C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHumidity: 5–95% non-condensing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Advantages\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eHigh Safety Integrity: Meets SIL 3 and PL e standards for critical applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDual-Channel Monitoring: Ensures redundancy and fault detection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFlexible Reset: Manual monitored reset for configurable safety strategies\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMultiple Outputs: 2 safety outputs and 1 auxiliary contact for control integration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompact Design: DIN rail mountable, fits standard control panels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGlobal Compliance: Certified UL, CE, CSA, and TÜV\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43964014428259,"sku":"440R-N23120","price":50.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/193._e7bdc0e8-f5cd-4a89-9b64-ae5dc3888eff.jpg?v=1769134148","url":"https:\/\/www.autocontrolglobal.com\/products\/allen-bradley-440r-n23120-guardmaster-msr-safety-relay","provider":"AutoControl Global","version":"1.0","type":"link"}