FC-301P3K7T2131H5802 Danfoss
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The Danfoss FC-301P3K7T2131H5802 is part of the VLT FC 301 Automation Drives series and has a power rating of 3.7 kW with a horsepower of 5.0 HP. It operates with a mains voltage range of 200 to 240 VAC on three phase power, and features a rated output current of 16.7 A with an efficiency of 0.96 at rated current.
Internal Product Review
The FC-301P3K7T2131H5802 is a Danfoss VLT FC 301 automation drive with a 3.7 kW rating and 200–240 VAC input, making it a strong fit for three-phase industrial control. Rated efficiency of 0.96 and output frequency up to 590 Hz support precise speed regulation and efficient operation, making this drive a well-balanced solution for demanding automation duty.
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Product Description:
The FC-301P3K7T2131H5802 is a variable frequency drive manufactured by Danfoss for the VLT FC 301 Automation Drives series within the VLT AutomationDrive FC product group. It converts fixed-frequency line power into a modulated output so controllers can vary motor speed and torque without mechanical throttling. By adjusting voltage and frequency across a 0–100% output-voltage range, the inverter supports precise process control in conveyors, pumps, and HVAC fans while reducing energy drawn from the supply network.
The drive has a continuous motor output rating of 3.7 kW, making it suitable for medium-duty machinery. It accepts a line supply of 200–240 VAC at 50/60 Hz with a tolerance of ±5% and internally rectifies this power into a DC link. The inverter then produces an adjustable output frequency from 0–590 Hz. At rated load, it supplies 16.7 A to the motor terminals, while its apparent power reaches 6.0 kVA when powered from a 208 V line. A displacement power factor above 0.98 and a true power factor of at least 0.9 limit reactive current. Flux-mode operation spans 0 Hz to 300 Hz, enabling effective torque control at low speeds. The design tolerates a phase imbalance of up to 3% of the rated voltage, reducing the risk of unnecessary trips during asymmetrical supply conditions.
Motor and cabinet sizing must account for a maximum input current of 15 A and an efficiency of 0.96 at rated current. The thermal design dissipates 185 W during full-load operation, which reduces enclosure cooling requirements. The unit can be energized twice per minute, protecting the precharge circuit during repeated starts. The drive operates on three-phase power and maintains the requested torque by regulating output frequency and voltage in response to line and load conditions. Its adjustable output allows the connected motor to operate across a broad speed range while remaining within the stated current, power, and thermal limits.
