FC-301P5K5T4131X7311 Danfoss
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The Danfoss FC-301P5K5T4131X7311 is part of the VLT FC 301 Automation Drives series and has a power rating of 5.5 kW, or 7.5 HP, with three phase input at 380-480 VAC. This drive provides two digital outputs with a maximum current of 40 mA and supports a maximum output frequency of 590 Hz. Its starting torque reaches 160 percent for 60 seconds and it features an analog output resolution of 12 bits.
Internal Product Review
The FC-301P5K5T4131X7311 is a Danfoss VLT FC 301 automation drive rated for 5.5 kW and designed for 380 - 480 VAC systems. Fast torque response with 1 ms rise time in flux mode and 160% starting torque for 60 s gives the drive excellent startup control in demanding motion applications. High application flexibility stands out further with output frequency up to 590 Hz and a true power factor of ≥0.9.
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Product Description:
The FC-301P5K5T4131X7311 is an electronic variable-speed drive produced by Danfoss for the VLT FC 301 Automation Drives series. It belongs to the VLT AutomationDrive FC product group and carries the internal series identifier 301. In automated machinery, this drive modulates the voltage and frequency delivered to three-phase induction motors to match process demand and reduce energy use. Its compact format and configurable control functions make it suitable for conveyors, pumps, and ventilation fans where precise speed regulation is required.
This model operates from a three-phase mains supply of 380–480 VAC and delivers a continuous mechanical output of 5.5 kW, equivalent to 7.5 HP. The inverter can drive a motor at frequencies up to 590 Hz, while dedicated flux control caps excitation at 300 Hz during vector operation. A starting-torque capability of 160% for 60 seconds lets the unit accelerate high-inertia loads without oversizing. Line-frequency compatibility spans 50/60 Hz with a tolerance of ±5%, and the design limits energization to two power-ups per minute to protect the DC link. Two optically isolated digital outputs rated at 40 mA each report operating status. A 12-bit analog output supplies proportional feedback for process monitoring.
Motor leads can extend to 50 m when shielded or 75 m when unshielded before additional filters are needed. The rectifier and control sections shape current so the installation maintains a true power factor of at least 0.9, reducing demand on upstream protection equipment. Dynamic response is supported by a torque rise time of 1 ms in flux control and 10 ms when the VVC+ strategy is active, allowing rapid correction after speed-reference changes. Thermal management helps protect the power electronics during sustained operation. Vector-control algorithms prevent motor oversaturation, helping maintain commanded torque throughout the permitted frequency range.
