Product Description:

The FC-301P4K0T4131X7280 is an AC variable frequency drive produced by Danfoss in the VLT FC 301 Automation Drives series. It converts fixed-frequency three-phase mains power into a variable output that lets controllers adjust induction motor speed for conveyors, pumps, and similar load profiles in automated plants. A single analog output and two digital outputs provide process feedback and status signals, while the safe torque off terminals draw only 50 mA RMS to maintain their enabling logic.

This drive supplies a continuous mechanical output of 4.0 kW, which corresponds to 5.0 hp and accommodates midrange motor frames commonly found on process equipment. The input section accepts a mains voltage range of 380–480 VAC; at 400 V, the inverter can deliver up to 10 A of phase current while drawing an apparent power of 6.9 kVA. These electrical limits determine the required circuit protection and cable gauges while establishing the thermal operating point for the enclosure. The available output channels allow the drive to transmit operating values and indicate status changes to external control equipment without requiring a separate signal module.

The inverter has an efficiency rating of 0.97, which keeps heat dissipation to 124 W at rated load. Control wiring can source up to 40 mA per digital channel, and shielded motor leads may extend to 50 m without exceeding the stated electromagnetic compatibility limits; unshielded runs can reach 75 m where local regulations permit them. The controller supports no more than two starts per minute to reduce inrush stress, accepts 28 V DC logic at its inputs, and draws 9.0 A from the mains supply at 400 V. Breakers, contactors, and field wiring should be selected according to these limits so that the drive operates properly within a three-phase power distribution system.