FC-301PK25T2131X7255 Danfoss
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The Danfoss FC-301PK25T2131X7255 is part of the VLT FC 301 Automation Drives series and delivers a power rating of 0.25 kW with a mains voltage range of 200 to 240 VAC. This drive supports three-phase power, has a maximum output frequency of 590 Hz, and a continuous output current of 1.8 A. It provides a maximum shielded motor cable length of 50 meters, features an overvoltage alarm at 410 V DC, and supports a max phase imbalance of 3 percent.
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Product Description:
The FC-301PK25T2131X7255 is a variable frequency drive manufactured by Danfoss for the VLT FC 301 Automation Drives series. The model uses insulated-gate bipolar transistors and closed-loop control to convert fixed three-phase mains power into variable-voltage, variable-frequency output power. This conversion allows programmable logic controllers to adjust motor speed, acceleration ramps, and braking torque on conveyors, fans, or metering pumps, improving process accuracy and reducing mechanical wear in general industrial automation.
It accepts a three-phase supply of 200–240 VAC, and its inverter stage is rated at 0.25 kW, which is equivalent to 0.33 HP. The drive draws 1.6 A continuously and supplies up to 1.8 A to the motor, helping maintain efficient power conversion. Its programmable output frequency starts at zero and can reach 590 Hz, while internal flux regulation is limited to 300 Hz to control field weakening. The electronics support sensorless vector or V/f operation, allowing the drive to regulate compatible motors across a broad operating range. The unit permits a maximum of two power cycles per minute to limit heat accumulation in the DC-link capacitors.
Apparent input demand at 230 V is 0.72 kVA, and the imbalance between phase voltages must remain within 3.0% to reduce DC-link ripple. The bus issues a high-voltage warning at 405 V DC and initiates an overvoltage trip at 410 V DC, protecting the power semiconductors and motor insulation. Its Overvoltage Category III rating supports connection to permanently installed industrial feeders that may experience moderate voltage surges. Motor leads can extend up to 50 m when shielded or 75 m when unshielded, allowing the drive to be installed at a practical distance from the motor. Conductors may have a cross-sectional area of up to 4 mm², providing adequate current capacity without excessive heating when the installation follows applicable wiring requirements.
