{"product_id":"danfoss-fc111p37kt4-vlt-hvac-basic-drive","title":"Danfoss FC111P37KT4 VLT HVAC Basic Drive","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eDanfoss FC111P37KT4\u003c\/strong\u003e is a high-performance \u003cstrong\u003eVLT HVAC Basic Drive\u003c\/strong\u003e engineered to optimize energy efficiency in ventilation, heating, and air conditioning applications. Rated for a typical shaft output of 37.0 kW (40.0 hp), this variable frequency drive provides precise motor speed control, effectively reducing operational costs and extending the lifespan of mechanical equipment in HVAC systems.\u003c\/p\u003e\n\u003cp\u003eThis \u003cstrong\u003eVLT HVAC Basic Drive\u003c\/strong\u003e is designed for robustness and reliability in demanding industrial environments. With an IP20 protection rating, it is built to operate within a wide range of input voltages (3x380–480 V) while maintaining high efficiency—up to 97.7% in typical operating conditions. The unit includes advanced current management capabilities to handle both continuous and intermittent loads, ensuring stable performance at varying ambient temperatures.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOptimized for HVAC fan and pump applications\u003c\/li\u003e\n\u003cli\u003eHigh operational efficiency up to 97.7%\u003c\/li\u003e\n\u003cli\u003eDual voltage and current ratings for flexible application (380–440 V and 441–480 V)\u003c\/li\u003e\n\u003cli\u003eSupports ambient temperatures up to 50 degC with derated output\u003c\/li\u003e\n\u003cli\u003eCompact IP20 enclosure design\u003c\/li\u003e\n\u003cli\u003eDesigned for standard industrial motor control\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCommercial and industrial HVAC systems\u003c\/li\u003e\n\u003cli\u003eVariable air volume (VAV) systems\u003c\/li\u003e\n\u003cli\u003eCooling tower fans\u003c\/li\u003e\n\u003cli\u003eCentrifugal pump control\u003c\/li\u003e\n\u003cli\u003eAir handling units\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eDanfoss\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eFC111P37KT4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eVLT HVAC Basic Drive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTypical Shaft Output\u003c\/td\u003e\n\u003ctd\u003e37.0 kW (40.0 hp)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Rating\u003c\/td\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEfficiency\u003c\/td\u003e\n\u003ctd\u003e97.7 %\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Loss (Typical)\u003c\/td\u003e\n\u003ctd\u003e922 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Cable Size (Mains\/Motor)\u003c\/td\u003e\n\u003ctd\u003e35 mm2 (2 AWG)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e24.5 kg (54 lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003cp\u003e\u003cstrong\u003eOutput Performance (at 40 degC ambient):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eVoltage Range\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eContinuous Current\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eIntermittent Current\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e3x380–440 V\u003c\/td\u003e\n\u003ctd\u003e73.0 A\u003c\/td\u003e\n\u003ctd\u003e80.3 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3x441–480 V\u003c\/td\u003e\n\u003ctd\u003e65.0 A\u003c\/td\u003e\n\u003ctd\u003e71.5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003cp\u003e\u003cstrong\u003eOutput Performance (at 50 degC ambient):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eVoltage Range\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eContinuous Current\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eIntermittent Current\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e3x380–440 V\u003c\/td\u003e\n\u003ctd\u003e58.4 A\u003c\/td\u003e\n\u003ctd\u003e64.2 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3x441–480 V\u003c\/td\u003e\n\u003ctd\u003e52.0 A\u003c\/td\u003e\n\u003ctd\u003e57.2 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVentilation:\u003c\/strong\u003e Due to the 922 W power loss, ensure adequate cabinet ventilation or cooling to prevent overheating, especially when operating near the 50 degC ambient limit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCabling:\u003c\/strong\u003e Use shielded cables for motor connections to minimize electromagnetic interference (EMI). Ensure terminals are tightened to accommodate up to 35 mm2 (2 AWG) wire size.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding:\u003c\/strong\u003e Proper earthing of the drive frame is essential for safety and to comply with electromagnetic compatibility (EMC) standards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClearance:\u003c\/strong\u003e Maintain the recommended clearance distances around the drive as specified in the manual to ensure optimal airflow through the heat sink.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Danfoss","offers":[{"title":"Default Title","offer_id":53102306591083,"sku":"FC111P37KT4","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/fc111p37kt4-f1o1u0l0zv5.png?v=1776137417","url":"https:\/\/www.plcprotech.com\/products\/danfoss-fc111p37kt4-vlt-hvac-basic-drive","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}