Product Description:

The FC-301P4K0T4131F9306 is an AC variable frequency drive manufactured by Danfoss for the VLT FC 301 Automation Drives series. This unit converts constant-frequency mains power into variable-frequency output power that allows industrial controllers to adjust motor speed and torque according to real-time demand. It is used in automated handling, pumping, and ventilation systems where electronic speed control replaces mechanical throttling and reduces energy use.

The drive delivers 4.0 kW of continuous electrical output, equivalent to 5.0 hp, when supplied by a 380–480 VAC network. The unit operates on three-phase power, so the input section connects directly to standard plant distribution without phase conversion. Output frequency can be adjusted up to 590 Hz, supporting high-speed induction motors, while the flux-optimized range is limited to 300 Hz for efficient field control. The displacement power factor exceeds 0.98, and the true power factor is at least 0.9, reducing reactive demand on upstream feeders. Two programmable digital outputs allow the drive to perform basic sequencing functions without external PLC resources.

An analog monitor channel has an accuracy of 0.5% FS, providing reliable feedback for process trending. Dynamic braking hardware may be added, and the integrated switch network accepts a minimum resistor value of 87 Ω and a nominal value of 95 Ω for repetitive deceleration. Each digital output can source up to 40 mA, while the command-reference inputs have a resistance of 4 kΩ to avoid placing an unnecessary load on connected sensors. Shielded motor cables may be up to 50 m long, while unshielded cables may be up to 75 m long before output filters are required. The inverter tolerates up to two power-ups per minute, supporting controlled restart intervals during normal operation.