{"product_id":"danfoss-121l3277-compressor","title":"Danfoss 121L3277 Compressor","description":"\u003cp data-start=\"193\" data-end=\"1447\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThe \u003cstrong data-start=\"197\" data-end=\"217\"\u003eDanfoss 121L3277\u003c\/strong\u003e is a high-efficiency hermetic scroll compressor engineered for commercial HVAC and refrigeration applications requiring approximately \u003cstrong data-start=\"352\" data-end=\"369\"\u003e75,545 BTU\/hr\u003c\/strong\u003e of cooling capacity. Operating on a \u003cstrong data-start=\"406\" data-end=\"426\"\u003e208-230V 3-phase\u003c\/strong\u003e power supply, this compressor is designed to deliver dependable refrigerant compression while maintaining excellent volumetric efficiency under demanding operating conditions. The \u003cstrong data-start=\"607\" data-end=\"619\"\u003e121L3277\u003c\/strong\u003e is the current production replacement for the legacy \u003cstrong data-start=\"673\" data-end=\"685\"\u003e120U3277\u003c\/strong\u003e, allowing contractors to restore system performance using the latest Danfoss Performer compressor design. Featuring precision-machined scroll elements, an integrated internal pressure relief valve, and optimized motor cooling, this compressor provides superior liquid handling capability, low vibration levels, and consistent performance across varying compression ratios. Standard brazed suction and discharge connections simplify installation in rooftop units, package systems, process cooling equipment, and commercial refrigeration applications while maintaining a secure, leak-tight refrigeration circuit. Contractors should always verify refrigerant compatibility, electrical ratings, compressor displacement, and piping configuration before installation.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1449\" data-end=\"1465\"\u003e\u003cstrong data-start=\"1449\" data-end=\"1465\"\u003eKey Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1467\" data-end=\"1626\"\u003e\u003cstrong data-start=\"1467\" data-end=\"1494\"\u003eDirect OEM Replacement:\u003c\/strong\u003e Official Danfoss replacement for the discontinued \u003cstrong data-start=\"1545\" data-end=\"1557\"\u003e120U3277\u003c\/strong\u003e, simplifying equipment upgrades and compressor replacement projects.\u003c\/p\u003e\n\u003cp data-start=\"1628\" data-end=\"1803\"\u003e\u003cstrong data-start=\"1628\" data-end=\"1661\"\u003eOptimized Scroll Compression:\u003c\/strong\u003e Advanced Performer scroll technology delivers smooth refrigerant compression with fewer moving parts, reducing vibration and mechanical wear.\u003c\/p\u003e\n\u003cp data-start=\"1805\" data-end=\"1975\"\u003e\u003cstrong data-start=\"1805\" data-end=\"1837\"\u003eEnhanced Thermal Protection:\u003c\/strong\u003e Internal pressure relief protection and optimized motor cooling help maintain reliable performance during demanding operating conditions.\u003c\/p\u003e\n\u003cp data-start=\"1977\" data-end=\"2159\"\u003e\u003cstrong data-start=\"1977\" data-end=\"2011\"\u003eCommercial-Grade Construction:\u003c\/strong\u003e Engineered for rooftop units, packaged air conditioners, chillers, and refrigeration equipment requiring dependable long-term compressor operation.\u003c\/p\u003e\n\u003cp data-start=\"2161\" data-end=\"2181\"\u003e\u003cstrong data-start=\"2161\" data-end=\"2181\"\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2183\" data-end=\"2447\"\u003e\u003cstrong data-start=\"2183\" data-end=\"2242\"\u003eIs the Danfoss 121L3277 a replacement for the 120U3277?\u003c\/strong\u003e\u003cbr data-start=\"2242\" data-end=\"2245\"\u003eYes. The \u003cstrong data-start=\"2254\" data-end=\"2266\"\u003e121L3277\u003c\/strong\u003e is the official Danfoss replacement for the discontinued \u003cstrong data-start=\"2324\" data-end=\"2336\"\u003e120U3277\u003c\/strong\u003e. Always verify voltage, refrigerant type, compressor capacity, and mounting configuration before installation.\u003c\/p\u003e\n\u003cp data-start=\"2449\" data-end=\"2784\"\u003e\u003cstrong data-start=\"2449\" data-end=\"2509\"\u003eWhat refrigerants is this compressor commonly used with?\u003c\/strong\u003e\u003cbr data-start=\"2509\" data-end=\"2512\"\u003eDepending on the original equipment manufacturer's design, this Performer compressor is commonly applied in systems utilizing \u003cstrong data-start=\"2638\" data-end=\"2648\"\u003eR-410A\u003c\/strong\u003e and other approved high-pressure refrigerants. Always follow the equipment manufacturer's specifications for refrigerant compatibility.\u003c\/p\u003e\n\u003cp data-start=\"2786\" data-end=\"3094\"\u003e\u003cstrong data-start=\"2786\" data-end=\"2830\"\u003eDoes the compressor include factory oil?\u003c\/strong\u003e\u003cbr data-start=\"2830\" data-end=\"2833\"\u003eDanfoss Performer scroll compressors are typically supplied with the appropriate factory oil charge for their intended refrigerant application. Oil type and level should always be verified according to Danfoss service procedures before commissioning the system.\u003c\/p\u003e\n\u003cp data-start=\"3096\" data-end=\"3144\"\u003e\u003cstrong data-start=\"3096\" data-end=\"3144\"\u003eThis item is not eligible for free shipping.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"3146\" data-end=\"3338\"\u003e\u003cem data-start=\"3146\" data-end=\"3338\"\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\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e121L3277 is the cross for 120U3277 \u003c\/span\u003e\u003c\/p\u003e","brand":"Danfoss","offers":[{"title":"Default Title","offer_id":35657544012,"sku":"121L3277","price":2287.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1838\/2375\/files\/Image_f0fd3e4c-e408-4af4-843d-3a4b614a62c8.png?v=1783528204","url":"https:\/\/www.gsistore.com\/en-ca\/products\/danfoss-121l3277-compressor","provider":"GSIstore","version":"1.0","type":"link"}