{"product_id":"liebert-308463p1s","title":"Liebert 308463P1S Resistor","description":"\u003cp\u003eFor veteran HVACR technicians and data center facility managers, the \u003cstrong\u003eLiebert 308463P1S Resistor\u003c\/strong\u003e is a critical \u003cstrong\u003eOEM replacement part\u003c\/strong\u003e designed specifically for precision cooling systems. This \u003cstrong\u003e25 Ohm PTC Resistor\u003c\/strong\u003e functions as a \u003cstrong\u003ePositive Temperature Coefficient\u003c\/strong\u003e thermistor, providing essential \u003cstrong\u003eovercurrent protection\u003c\/strong\u003e and short-circuit mitigation for compressor circuits and motor controls. Engineered by \u003cstrong\u003eEmerson Liebert\u003c\/strong\u003e, the 308463P1S is built with a robust ceramic base that ensures high-level thermal stability and resistance to extreme environmental vibrations. As a direct replacement for obsolete models like the \u003cstrong\u003e1C19540P1S\u003c\/strong\u003e and \u003cstrong\u003e308463P1\u003c\/strong\u003e, this component maintains the \u003cstrong\u003eoperational integrity\u003c\/strong\u003e of Liebert CRAC units by increasing electrical resistance as temperatures rise. This self-regulating behavior prevents sensitive electronic components from sustaining damage during electrical surges, making it indispensable for maintaining \u003cstrong\u003eenergy efficiency\u003c\/strong\u003e and preventing downtime in mission-critical industrial environments.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecise 25 Ohm Resistance:\u003c\/strong\u003e Factory-calibrated for exact compatibility with \u003cstrong\u003eLiebert compressor circuits\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePTC Self-Regulation:\u003c\/strong\u003e Automatically restricts current flow during high-temperature events to protect high-value HVACR hardware.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndustrial-Grade Durability:\u003c\/strong\u003e Constructed to withstand the rigorous conditions of data center cooling and \u003cstrong\u003eindustrial motor control\u003c\/strong\u003e applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeamless OEM Fit:\u003c\/strong\u003e Ensures 100% mechanical and electrical alignment with original equipment specifications to eliminate installation guesswork.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCommon Questions:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the primary function of a 25 Ohm PTC resistor in a Liebert unit?\u003c\/strong\u003e\u003cbr\u003e\nIn these systems, the resistor acts as a thermal safeguard. As current or ambient temperature exceeds safe limits, the \u003cstrong\u003ePositive Temperature Coefficient\u003c\/strong\u003e causes the resistance to spike, effectively throttling the current and protecting the \u003cstrong\u003ecompressor motor\u003c\/strong\u003e or ignition modules from burnout.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs the 308463P1S compatible with older 1C19540P1 models?\u003c\/strong\u003e\u003cbr\u003e\nYes, the 308463P1S is the official \u003cstrong\u003eOEM replacement part\u003c\/strong\u003e for several discontinued Liebert resistors, including the 1C19540P1 and 1C19540P1S. It is designed to meet or exceed the performance specifications of those legacy components.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDoes this resistor require external calibration during installation?\u003c\/strong\u003e\u003cbr\u003e\nNo, this is a passive \u003cstrong\u003esolid-state component\u003c\/strong\u003e. Once installed within the designated control circuit, its resistance-temperature curve is fixed to provide automatic protection based on Liebert’s system parameters.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong style=\"color: red;\"\u003eThis item is not eligible for free shipping.\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":44970360668338,"sku":"308463P1S","price":173.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1838\/2375\/files\/Pic_a3a616c4-9007-4f5c-8f7b-9942ab4bceb6.png?v=1747955399","url":"https:\/\/www.gsistore.com\/products\/liebert-308463p1s","provider":"GSIstore","version":"1.0","type":"link"}