{"product_id":"vertiv-liebert-sn-2d-two-door-switch-monitor-sensor-with-contact-inputs","title":"Vertiv Liebert SN-2D Two-Door Switch Monitor Sensor with Contact Inputs","description":"\u003cdiv\u003e\n\u003ch1\u003eVertiv Liebert SN-2D Two-Door Switch Monitor Sensor with Contact Inputs\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eVertiv Liebert SN-2D\u003c\/strong\u003e is a modular door switch monitor sensor designed for \u003cstrong\u003erack security and environmental monitoring\u003c\/strong\u003e in data centres, server rooms, and network closets. Featuring \u003cstrong\u003etwo dry contact inputs\u003c\/strong\u003e and modular connectivity with two connection points, the SN-2D allows for flexible custom string designs and daisy-chain configurations to monitor multiple doors or access points from a single monitoring device. This non-powered sensor integrates seamlessly with Vertiv MPX and MPH rack PDUs, Liebert RPC cards, and the IS-UNITY-DP communications card, delivering reliable door status monitoring and alarm notifications to protect critical equipment.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo Dry Contact Inputs\u003c\/strong\u003e: Monitor up to two doors or access points with a single sensor probe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModular Design\u003c\/strong\u003e: Features two RJ45-style connection ports for daisy-chaining multiple sensors up to 65.6 ft maximum string length\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-Powered Operation\u003c\/strong\u003e: Door-switch contact rated for a minimum of 5V, 1mA with no external power required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Compatibility\u003c\/strong\u003e: Works with Vertiv Liebert MPX and MPH rack PDUs, RPC cards, RDU101, and IS-UNITY-DP communications cards\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Installation\u003c\/strong\u003e: Includes all mounting hardware, cables, and quick-start guide for straightforward rack mounting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Construction\u003c\/strong\u003e: Lightweight design at just 0.11 kg fits easily within any rack environment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eEnhanced Rack Security and Monitoring\u003c\/h2\u003e\n\u003cp\u003eThe Liebert SN-2D sensor is purpose-built to \u003cstrong\u003eassist in monitoring physical security and door status\u003c\/strong\u003e within server racks and IT enclosures. It can be placed in any area to read door open\/closed status and trigger \u003cstrong\u003ereal-time alarm notifications\u003c\/strong\u003e when doors are opened or conditions exceed configured thresholds. This proactive monitoring capability helps protect critical equipment from unauthorised access and environmental risks.\u003c\/p\u003e\n\n\u003ch2\u003eFlexible Modular Configuration\u003c\/h2\u003e\n\u003cp\u003eWith its \u003cstrong\u003emodular sensor design\u003c\/strong\u003e, the SN-2D allows IT administrators to configure monitoring strings tailored to their specific needs. The sensor features separate cables and probes with two connection points, enabling multiple SN series sensors to be connected in series for comprehensive rack monitoring. Whether you need to monitor door switches, temperature, humidity, or leak detection, the SN-2D integrates into a scalable Liebert SN sensor ecosystem.\u003c\/p\u003e\n\n\u003ch2\u003eSeamless Integration with Vertiv Infrastructure\u003c\/h2\u003e\n\u003cp\u003eThe SN-2D connects directly to \u003cstrong\u003eVertiv Liebert RPC monitoring cards\u003c\/strong\u003e, enabling monitoring through Vertiv MPX or MPH intelligent rack PDU models. It also works with the \u003cstrong\u003eIS-UNITY-DP communications card\u003c\/strong\u003e for broader system integration and centralized management. Up to ten Liebert SN sensor probes may be connected to an RDU101 monitoring device, with integrated and modular sensors used in combination for complete visibility.\u003c\/p\u003e\n\n\u003ch2\u003eReliable Performance for Mission-Critical Environments\u003c\/h2\u003e\n\u003cp\u003eDesigned for \u003cstrong\u003edata centres, telecommunications, healthcare, and enterprise IT environments\u003c\/strong\u003e, the SN-2D delivers dependable performance in demanding conditions. Its compact dimensions and lightweight construction make it ideal for tight rack spaces, while its robust design ensures long-term reliability. The sensor is backed by a \u003cstrong\u003eone-year limited warranty\u003c\/strong\u003e against defects in material and workmanship.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eVertiv Liebert SN-2D Door Switch Monitor Sensor (1 probe with 2 contact inputs)\u003c\/li\u003e\n\u003cli\u003eSensor Bracket - Base\u003c\/li\u003e\n\u003cli\u003eSensor Bracket - Support\u003c\/li\u003e\n\u003cli\u003eRJ45 to RJ45 Cable (6.6 ft \/ 2 m)\u003c\/li\u003e\n\u003cli\u003eScrews (2 × 8-32 × 7\/16\")\u003c\/li\u003e\n\u003cli\u003eDual Lock Fastener (0.5 ft)\u003c\/li\u003e\n\u003cli\u003eCable Ties (2)\u003c\/li\u003e\n\u003cli\u003eAlcohol Pad\u003c\/li\u003e\n\u003cli\u003eFastener (1\/4 Turn High Profile)\u003c\/li\u003e\n\u003cli\u003eQuick-Start Installation Guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFull Specifications\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRack Door Contact Sensor \/ Door Switch Monitor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSN-2D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber of Contact Inputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 dry contact inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber of Probes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 sensor probe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnection Points\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 RJ45-style ports (input and output for daisy-chaining)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eContact Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNon-powered door-switch contact, minimum 5V, 1mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCable Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6.6 ft (2 m) RJ45 to RJ45 cable included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum String Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e65.6 ft (20 m) when multiple sensors daisy-chained\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (W × D × H)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 × 3\/4 × 1-5\/8 in (51 × 19 × 41 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNet Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.25 lb (0.11 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShipping Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.44 lb (0.2 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVertiv Liebert MPX\/MPH rack PDUs, RPC cards, RDU101, IS-UNITY-DP communications card\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDoor Switch Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWorks with Vertiv AD-2D-DCM door switch kit or generic door switches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRack-mountable with included brackets and hardware\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Requirement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNon-powered (passive sensor)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOne Year Limited Warranty Against Defects in Material and Workmanship\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntended Use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRack security monitoring, door status detection, physical access monitoring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTypical Applications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eData centres, server rooms, network closets, telecommunications facilities\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003cp\u003e\u003cem\u003eSpecifications are sourced from the manufacturer product page and may be updated.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Vertiv","offers":[{"title":"Default Title","offer_id":43731169935438,"sku":"PA-VERTIVSN2D","price":205.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/3134\/9838\/files\/51KjE9CUAoL._AC_SL1000.jpg?v=1778214039","url":"https:\/\/projectorsaustralia.com.au\/products\/vertiv-liebert-sn-2d-two-door-switch-monitor-sensor-with-contact-inputs","provider":"Projectors Australia","version":"1.0","type":"link"}