FC-301P5K5T4131B8987 Danfoss
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The FC-301P5K5T4131B8987 is part of the VLT FC 301 Automation Drives series by Danfoss. This three-phase drive has a power rating of 5.5 kW, delivers 7.5 horsepower, and operates on a mains voltage of 380 to 480 VAC. It supports an output frequency range of 0 to 590 Hz and a flux mode frequency up to 300 Hz.
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Product Description:
The FC-301P5K5T4131B8987 variable frequency drive is built by Danfoss for the VLT FC 301 Automation Drives series. Within the VLT AutomationDrive FC product group, it serves as a speed-control element for induction or permanent-magnet motors used in conveyors, pumping stations, and packaging equipment. By varying output frequency and voltage, the drive allows machine controllers to regulate torque, reduce mechanical wear, and lower energy consumption in general industrial automation. Its motor-control capabilities support applications that require adjustable acceleration, deceleration, and operating speed throughout a production cycle.
On the input side, the drive accepts three-phase power across a line voltage range of 380–480 VAC. At 380–440 V, it draws a continuous current of 11.7 A, a value that helps determine upstream fuse and cable sizing. The inverter supports supply frequencies of 50/60 Hz ±5% and a flux-mode range from 0 to 300 Hz, allowing sensorless vector algorithms to stabilize low-speed torque. Nominal output power is 5.5 kW, delivered as an adjustable voltage from 0% to 100% of the incoming line voltage. The synthesized output frequency can be programmed up to 590 Hz, so the unit can operate high-speed spindles or slow-running augers. A displacement power factor of at least 0.9 minimizes reactive current and helps support plant power-quality targets.
For installation, the drive tolerates phase imbalance up to 3.0% and operates without output derating at elevations up to 1000 m. Its rated mechanical output is 7.5 HP, making it suitable for midsized pump and fan applications. Efficiency is classified as IE2, supporting energy savings when the connected motor runs below its nominal load. Line-voltage variations are accommodated by a tolerance of ±10%, allowing the inverter to withstand common utility fluctuations. Motor connections may use shielded cable up to 50 m long or unshielded cable up to 75 m long. These cable allowances provide flexibility when routing motor leads through industrial equipment and control installations.
