{"product_id":"liebert-180970p1","title":"Liebert 180970P1 Switch","description":"\u003cp\u003eMaintain critical thermal management with the \u003cstrong\u003eLiebert 180970P1 Pressure Switch\u003c\/strong\u003e, an OEM-spec \u003cstrong\u003eSPDT high-pressure cutout\u003c\/strong\u003e designed for precision monitoring in \u003cstrong\u003eLiebert HVAC units\u003c\/strong\u003e and computer room air conditioning (CRAC) systems. This \u003cstrong\u003eautomatic reset pressure switch\u003c\/strong\u003e (A\/R) is engineered to trigger at \u003cstrong\u003e400 PSI\u003c\/strong\u003e, providing essential \u003cstrong\u003ecompressor protection\u003c\/strong\u003e by opening the control circuit during high-side over-pressurization. By integrating this \u003cstrong\u003eHVAC high-pressure switch\u003c\/strong\u003e, technicians can effectively manage system safety and prevent catastrophic failures caused by restricted airflow, condenser fan failure, or refrigerant overcharge.\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eLiebert 180970P1\u003c\/strong\u003e features a rugged \u003cstrong\u003e400#CO\u003c\/strong\u003e (changeover) contact configuration, ensuring high conductivity and minimal contact resistance within high-demand industrial environments. Its \u003cstrong\u003esingle pole double throw\u003c\/strong\u003e architecture allows for simultaneous control of secondary alarm circuits or redundant cooling staged responses. With a compact form factor and standard 3-blade electrical terminals, this \u003cstrong\u003eOEM Liebert switch\u003c\/strong\u003e facilitates rapid field replacement on \u003cstrong\u003eVertiv Liebert\u003c\/strong\u003e precision cooling equipment, ensuring consistent uptime for sensitive data center infrastructure.\u003c\/p\u003e\n\n\u003cstrong\u003eKey Benefits\u003c\/strong\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecise 400 PSI Cutout:\u003c\/strong\u003e Ensures the \u003cstrong\u003ehigh-pressure limit\u003c\/strong\u003e is strictly enforced to protect the compressor and microchannel coils from rupture.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomatic Reset Logic:\u003c\/strong\u003e Eliminates the need for manual intervention once system pressures return to safe operating parameters.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndustrial-Grade SPDT Contacts:\u003c\/strong\u003e The \u003cstrong\u003e400#CO\u003c\/strong\u003e construction supports high current loads while maintaining signal integrity across multiple circuits.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect OEM Compatibility:\u003c\/strong\u003e Specifically calibrated for \u003cstrong\u003eLiebert CRAC units\u003c\/strong\u003e, ensuring exact fitment and factory-standard performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\n\u003cp\u003e\u003cstrong\u003eWhat causes this switch to trip frequently in a Liebert unit?\u003c\/strong\u003e\u003cbr\u003e\nFrequent trips usually indicate high head pressure, often caused by a dirty condenser coil, a failing condenser fan motor, or non-condensables in the refrigeration circuit.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow do I verify if the 180970P1 is faulty?\u003c\/strong\u003e\u003cbr\u003e\nUsing a multimeter, check for continuity across the contacts. If the system pressure is below 400 PSI but the switch remains open, the internal diaphragm or contacts may have failed.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan this switch be used in 24V and 120V control circuits?\u003c\/strong\u003e\u003cbr\u003e\nYes, the SPDT contacts are rated for standard HVAC control voltages, provided the amp draw does not exceed the component’s technical contact rating.\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":44970360602802,"sku":"180970P1","price":178.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1838\/2375\/files\/Pic_632cbb91-46eb-45b1-a220-cd91e71f5f89.png?v=1747955400","url":"https:\/\/www.gsistore.com\/en-ca\/products\/liebert-180970p1","provider":"GSIstore","version":"1.0","type":"link"}