{"product_id":"danfoss-fc111p45kt4-vlt-hvac-basic-drive","title":"Danfoss FC111P45KT4 Variateur VLT HVAC Basic","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eDanfoss FC111P45KT4\u003c\/strong\u003e is a dedicated VLT HVAC Basic Drive engineered for high-efficiency speed control in building automation, commercial cooling, and ventilation infrastructure. This drive is optimized for centrifugal fans and pumps, delivering a typical shaft output of 45.0 kW (40.0 HP) in three-phase configurations. By precisely matching motor speed to real-time airflow or pressure demands, this unit significantly reduces energy consumption and mechanical strain, providing a scalable solution for facility managers aiming to lower operational expenditures and ensure long-term equipment reliability in climate-controlled environments.\u003c\/p\u003e\n\u003ch3\u003eTechnical Configuration\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eFC111P45KT4\u003c\/strong\u003e is architected for power-dense performance, balancing compact dimensions with high electrical output capability.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperational Capacity:\u003c\/strong\u003e Designed to handle significant power loads, it supports continuous output currents of up to 90.0 A (at 380–440 V) in 40 deg C ambient conditions. Its high efficiency rating of 98% minimizes heat generation within the electrical enclosure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection \u0026amp; Robustness:\u003c\/strong\u003e The unit is rated with an IP20 protection level, making it suitable for mounting within clean, dry, and climate-controlled electrical panels. It features robust terminal support for cable sizes up to 35 mm2 (2 AWG), ensuring high-integrity power connections for heavy-duty operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Dynamics:\u003c\/strong\u003e The drive is engineered to manage power losses effectively, with an estimated typical power loss of 1067 W. Note that output current performance is temperature-dependent; the unit provides a continuous 90.0 A at 40 deg C, which adjusts to 72.0 A at 50 deg C to protect internal components.\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\u003eModel\u003c\/td\u003e\n\u003ctd\u003eFC111P45KT4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eDanfoss\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTypical Output\u003c\/td\u003e\n\u003ctd\u003e45.0 kW \/ 40.0 HP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContinuous Current\u003c\/td\u003e\n\u003ctd\u003e90.0 A (at 380-440 VAC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEfficiency\u003c\/td\u003e\n\u003ctd\u003e98%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e3-Phase 380 - 480 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Loss\u003c\/td\u003e\n\u003ctd\u003e1067 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure\u003c\/td\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e24.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I adjust the drive capacity for high-temperature environments?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe FC111P45KT4 is sensitive to ambient temperature. At 40 deg C, the drive provides full rated current. If your installation environment reaches 50 deg C, you must de-rate the output current to 72.0 A (380-440 V) or 64.0 A (441-480 V) to prevent internal overheating and thermal trips.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this drive require additional cooling in the control panel?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, with a typical power loss of 1067 W, the cabinet must be equipped with forced-air ventilation or a cooling system. Ensure that the internal ambient temperature of the cabinet remains within safe limits for electronics, and that the drive's heatsink is kept free from dust or particulate buildup.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the FC111P45KT4 handle temporary load spikes?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, the drive is capable of intermittent output currents (e.g., 99.0 A for 380-440 V configurations), which allows it to handle brief surge demands or startup torque without triggering an overload fault.\u003c\/p\u003e\n\u003ch3\u003eEngineering Guidelines and Best Practices\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Installation:\u003c\/strong\u003e Use appropriately rated cables for the 35 mm2 terminals to ensure reliable power delivery. During installation, verify that all power cables are shielded and that the shields are bonded correctly to the cabinet ground to minimize electromagnetic interference (EMI) with BMS communication signals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety and Maintenance:\u003c\/strong\u003e Always disconnect main power before accessing the internal terminals. Given the high power rating of this unit, wait at least 15 minutes after power-off to ensure the DC-link capacitors are fully discharged before proceeding with any maintenance or wiring modifications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad Balancing:\u003c\/strong\u003e When setting up the HVAC system, ensure that the motor and drive parameters are matched. Perform an auto-tuning procedure during commissioning to allow the drive to optimize its voltage-to-frequency curves based on the actual motor characteristics for maximum energy savings.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Danfoss","offers":[{"title":"Default Title","offer_id":53102408106347,"sku":"FC111P45KT4","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/fc111p45kt4-f0wcduiau5s.png?v=1776137417","url":"https:\/\/www.plcprotech.com\/fr\/products\/danfoss-fc111p45kt4-vlt-hvac-basic-drive","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}