FC-301PK55T2134L2664 Danfoss
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The Danfoss FC-301PK55T2134L2664 is part of the VLT FC 301 Automation Drives series and operates on three phase 200 to 240 VAC mains voltage. This drive has a power rating of 0.55 kW, a maximum output frequency of 590 Hz, and a rated output current of 3.50 A. Its efficiency is 0.95 and it supports a maximum shielded motor cable length of 50 meters.
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Product Description:
The FC-301PK55T2134L2664 is a variable-frequency drive manufactured by Danfoss for the VLT FC 301 Automation Drives series. Within automated plants, it modulates the voltage and frequency of the mains supply so that PLCs can govern motor speed and torque instead of relying on mechanical throttling. The unit is used with conveyors, pumps, and fan systems where electronic regulation can improve throughput and reduce energy consumption. Its variable-frequency output also allows connected machinery to operate at speeds suited to changing process demands.
This drive operates from a three-phase line spanning 200–240 VAC at 50/60 Hz with a ±5% tolerance. Under those conditions, it delivers up to 3.50 A, while its electrical output is rated at 0.55 kW. Internal circuitry allows the inverter to synthesize frequencies from zero to 590 Hz, and a dedicated flux algorithm maintains magnetizing current up to 300 Hz. Overall conversion efficiency reaches 0.95, aided by a 4 kΩ input resistance that minimizes control-stage current. The design tolerates a maximum phase imbalance of 3.0% and maintains a true power factor of at least 0.9, while the displacement power factor remains above 0.98. These electrical characteristics allow upstream protection devices to be sized close to the actual load while limiting harmonic heating in supply cabling.
For cabinet layouts, the apparent power demand reaches a maximum of 1.39 kVA at 230 V, and the steady-state input current does not exceed 3.20 A. Heat generation is limited to 42 W, so the enclosure can be designed around a relatively modest thermal load. Shielded motor conductors may extend up to 50 m, while unshielded conductors may extend up to 75 m. These permitted cable lengths help control carrier-related voltage rise within the insulation limits of the connected motor. The drive’s low thermal dissipation reduces the amount of heat that must be removed from a compact enclosure. Its high power factor also helps reduce unnecessary current in the incoming supply conductors during continuous operation.
