Product Description:

The FC-301PK75T4131X7274 is a variable-frequency drive produced by Danfoss for the VLT FC 301 Automation Drives series. As part of the VLT AutomationDrive FC product group, the unit converts fixed three-phase mains power into a regulated output that allows controllers to match motor speed to process demand in conveyors, pumps, and similar equipment. Inside the drive, the VVC+ motor-control principle modulates voltage and frequency so induction motors maintain torque even at low speeds, making the device a compact component for energy-efficient industrial automation.

The inverter supplies a continuous motor output of 0.75 kW, which corresponds to 1.0 HP, while drawing power from a three-phase input range of 380–480 VAC. The maximum shaft frequency reaches 590 Hz, so high-speed spindles or specialized pumps can operate without external gearboxes. Under nominal load, the unit handles a continuous apparent power of 1.7 kVA, and its conversion chain operates at an efficiency of 0.96, limiting thermal dissipation to 46 W. Flux mode extends usable torque up to 300 Hz, while the PWM carrier can be set as high as 32 kHz for quieter operation. The controller permits only two power-ups per minute to protect inrush components. Shielded cabling can extend 50 m, while unshielded cable runs may reach 75 m before voltage drop or electromagnetic interference becomes a concern.

Control and feedback channels support modern PLC connections, and the digital inputs accept pulse trains up to 110 kHz at a maximum of 28 V DC with an input resistance of 4 kΩ. The transistor output can sink or source up to 40 mA for relay coils or indicator lamps, providing a direct interface for common control devices. An analog monitor port offers 12-bit resolution, allowing speed, current, or process variables to be transmitted with fine granularity.