FC-301P18KT4134G1793 Danfoss
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The Danfoss FC-301P18KT4134G1793 is part of the VLT FC 301 Automation Drives series and offers a power rating of 18.5 kW with a maximum output of 25 HP. It operates on three phase power with a mains voltage range of 380 to 480 VAC and supports a maximum output frequency of 590 Hz. The drive features a displacement factor greater than 0.98 and a brake active voltage of 778 V DC.
Internal Product Review
The FC-301P18KT4134G1793 is a Danfoss VLT FC 301 automation drive rated at 18.5 kW and 25 HP. Support for 380 - 480 VAC mains and three-phase power makes integration straightforward in standard industrial installations. A 590 Hz maximum output frequency and true power factor of at least 0.9 make the drive a very capable choice for demanding control applications.
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Product Description:
The FC-301P18KT4134G1793 is a variable frequency drive from Danfoss in the VLT FC 301 Automation Drives series. In industrial automation, the drive converts fixed-frequency mains power into a controllable output that meets motor requirements, enabling process equipment to accelerate, decelerate, or maintain a constant speed with electronic precision. The unit is suitable for controlling motors in conveyors, pumps, fans, and other machines that require adjustable speed and torque. Its design supports integration into automated systems that use external controllers to coordinate motor operation with other machine functions.
The drive accepts a three-phase input of 380–480 VAC, covering common industrial power distribution systems. Its inverter can continuously supply 18.5 kW, which corresponds to 25 HP. The output frequency can reach 590 Hz, supporting high-speed induction motor operation within the motor manufacturer’s permitted range. The displacement factor is greater than 0.98, and the true power factor is at least 0.9, helping reduce reactive current demand on the incoming supply. Permitted phase imbalance is limited to 3.0%, protecting the power section from uneven electrical and thermal loading. The drive can perform motor flux calculations at frequencies up to 300 Hz to support effective motor control across a broad operating range.
The brake activates at 778 V DC, while an intermediate high-voltage warning occurs at 810 V DC. An overvoltage alarm is triggered at 820 V DC, allowing the controller to respond when the DC-link voltage exceeds its operating threshold. Digital control inputs must remain below 28 V DC to prevent excessive voltage from reaching the input circuitry. The sequencer requires a minimum pulse width of 4.5 ms and accepts pulse frequencies up to 110 kHz, allowing reliable detection of signals from compatible PLC outputs. Only one power-up per minute is permitted to limit repeated inrush current through the input stage and DC-link capacitors. Motor cable runs can extend to 50 m when shielded cable is used or 75 m when unshielded cable is used, accommodating motors installed at a distance from the drive enclosure.
