{"product_id":"liebert-127195p2-relay","title":"Liebert 127195P2 Relay","description":"\u003cp\u003eThe \u003cstrong\u003eLiebert 127195P2 Potential Relay\u003c\/strong\u003e is a specialized electrical component engineered for precise \u003cstrong\u003ecompressor start assistance\u003c\/strong\u003e in high-performance cooling environments. Operating within a \u003cstrong\u003e220\/240V voltage range\u003c\/strong\u003e, this relay is a critical asset for maintaining the operational integrity of \u003cstrong\u003eLiebert environmental control systems\u003c\/strong\u003e. Designed for high-reliability applications, the 127195P2 serves as the \u003cstrong\u003edirect replacement for 90-22\u003c\/strong\u003e and is synonymous with the \u003cstrong\u003e3ARR3CT-10V5\u003c\/strong\u003e specification found in veteran technical manuals. Its primary function is to sense the back-EMF (electromotive force) generated by the start winding and disconnect the \u003cstrong\u003estart capacitor\u003c\/strong\u003e once the motor reaches sufficient velocity, ensuring optimized \u003cstrong\u003eHVAC motor starting\u003c\/strong\u003e and preventing damage to critical components. This \u003cstrong\u003eOEM HVAC replacement part\u003c\/strong\u003e is built to the rigorous standards of \u003cstrong\u003eVertiv Liebert\u003c\/strong\u003e systems, offering a \u003cstrong\u003euniversal potential relay\u003c\/strong\u003e profile that is also compatible with a wide array of \u003cstrong\u003e208-240V refrigeration units\u003c\/strong\u003e and industrial air conditioners. For contractors managing \u003cstrong\u003edata center cooling\u003c\/strong\u003e or precise climate control systems, this relay ensures \u003cstrong\u003eseamless system compatibility\u003c\/strong\u003e and long-term performance stability without the risk of common mechanical failures associated with generic substitutes.\u003c\/p\u003e\n\n\u003cstrong\u003eKey Benefits:\u003c\/strong\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect OEM Substitution:\u003c\/strong\u003e Fully replaces the \u003cstrong\u003e90-22 potential relay\u003c\/strong\u003e and \u003cstrong\u003e50PM28\u003c\/strong\u003e, maintaining factory-level performance in \u003cstrong\u003eLiebert CRV\u003c\/strong\u003e and \u003cstrong\u003eMini-Mate2\u003c\/strong\u003e units.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptimized Motor Protection:\u003c\/strong\u003e Precisely manages the disconnection of start capacitors to protect windings from overheating during the \u003cstrong\u003ecompressor start cycle\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Voltage Window:\u003c\/strong\u003e Engineered to operate reliably across \u003cstrong\u003e220V to 240V AC\u003c\/strong\u003e supplies, accommodating varying utility power conditions in commercial settings.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTechnical Reliability:\u003c\/strong\u003e Features the \u003cstrong\u003e3ARR3CT-10V5\u003c\/strong\u003e technical design, known for durable contact points and consistent pick-up and drop-out voltage ratings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cstrong\u003eCommon Questions:\u003c\/strong\u003e\n\u003cp\u003e\u003cstrong\u003eIs the 127195P2 specifically for Liebert units?\u003c\/strong\u003e\u003cbr\u003e\nWhile optimized for \u003cstrong\u003eLiebert brand\u003c\/strong\u003e environmental systems, its \u003cstrong\u003euniversal potential relay\u003c\/strong\u003e design makes it suitable for various \u003cstrong\u003e240V HVACR\u003c\/strong\u003e applications requiring a N.C. (Normally Closed) contact configuration.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan this relay replace a 90-22 model?\u003c\/strong\u003e\u003cbr\u003e\nYes, the 127195P2 is the \u003cstrong\u003edirect cross-reference\u003c\/strong\u003e for the 90-22, providing the exact electrical specifications needed for seamless integration into existing control circuits.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat is the primary role of this relay in a start kit?\u003c\/strong\u003e\u003cbr\u003e\nIt functions as the switching mechanism that removes the \u003cstrong\u003estart capacitor\u003c\/strong\u003e from the circuit once the compressor motor reaches approximately 75% of its rated speed, preventing \u003cstrong\u003ecapacitor failure\u003c\/strong\u003e and \u003cstrong\u003emotor burnout\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eDisclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.\u003c\/p\u003e","brand":"Liebert","offers":[{"title":"Default Title","offer_id":31308488540275,"sku":"127195P2","price":326.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1838\/2375\/products\/Pic_803ad4bb-c4d7-4da6-afdc-c2a1a7d45002.png?v=1747955924","url":"https:\/\/www.gsistore.com\/en-ca\/products\/liebert-127195p2-relay","provider":"GSIstore","version":"1.0","type":"link"}