FC-301P22KT4134L2957 Danfoss
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The Danfoss FC-301P22KT4134L2957 is part of the VLT FC 301 Automation Drives series and offers a 22 kW power rating with a maximum output frequency of 590 Hz. This drive has a continuous output current of 44 Amps at 380–440 V and delivers 30 horsepower. It features an efficiency rating of 0.98 and supports three phase power operation.
Internal Product Review
The FC-301P22KT4134L2957 is a Danfoss VLT FC 301 automation drive rated at 22 kW for three-phase power. Efficiency at rated current reaches 0.98, and continuous output current at 380–440 V is 44 A, giving the unit strong stability under sustained load. Mains voltage support from 380 to 480 VAC makes this drive a dependable choice for industrial automation.
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Product Description:
The FC-301P22KT4134L2957 is a variable-frequency drive built by Danfoss for the VLT FC 301 Automation Drives series. It converts fixed-frequency three-phase mains power into an adjustable output for controlling induction-motor speed. This capability allows PLCs and local panels to match motor speed to changing load demands, lower energy use, and extend mechanical life in conveyors, pumping stations, and general manufacturing cells.
On a 380–480 VAC supply, the inverter handles a maximum input current of 40 A while delivering a continuous motor current of 44 A. Its power section has an apparent power rating of 30.5 kVA at 400 V and provides a mechanical output of 22 kW. Overall efficiency reaches 0.98 at rated current, and the resulting full-load heat loss is 547 W. The three-phase topology preserves balanced line loading, while a phase imbalance tolerance of 3.0 % supports operation on uneven distribution systems. The drive may be energized only once per minute to protect the DC-link capacitors from stress caused by repeated power cycling. Its input voltage falls within standard IEC low-voltage classes, allowing direct cabinet installation without an additional autotransformer.
During dynamic operation, the output stage can deliver 70.4 A for up to one minute, reaching an overload capacity of 160 %. This short-term current increase supports acceleration and helps the drive respond to sudden load changes. The rated shaft power corresponds to 30 HP. Frequency control extends from zero to 590 Hz, while the flux-optimized range reaches 300 Hz for efficient vector operation. Command terminals accept pulse references up to 110 kHz. Motor cabling may extend to 50 m when shielded or 75 m when unshielded without exceeding the stated electromagnetic compatibility limits.
