FC-301P22KT4134L2990 Danfoss
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The Danfoss FC-301P22KT4134L2990 is part of the VLT FC 301 Automation Drives series and is rated for 22 kW and 30 HP on three phase power. It supports mains voltage from 380 to 480 VAC and delivers a displacement power factor greater than 0.98. This drive offers a maximum output frequency of 590 Hz and includes analog output resolution at 12 bits.
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Product Description:
The FC-301P22KT4134L2990 is a variable frequency drive manufactured by Danfoss for the VLT FC 301 Automation Drives series. It is installed between a three-phase power supply and an AC motor to vary motor speed without mechanical throttling, a function widely used in material-handling lines, ventilation fans, and process pumps within industrial automation systems. By converting a fixed line frequency into a pulse-width-modulated output, the drive enables closed-loop control that matches motor operation to real-time load demands. This electronic speed regulation can reduce unnecessary motor output when the connected equipment operates below its maximum load.
The power section accepts a nominal line voltage range of 380–480 VAC and connects directly to three-phase industrial feeders. Its continuous output capability is 22 kW, equivalent to 30 HP, making it suitable for medium-sized motors on conveyors or centrifugal pumps. The inverter can raise the fundamental output frequency to 590 Hz, while flux mode supports frequencies up to 300 Hz for constant-torque applications. Power-stage efficiency is supported by a displacement power factor of greater than 0.98, and the true power factor remains at least 0.9 under load. DC-bus monitoring issues a high-voltage warning at 810 V DC and triggers an overvoltage alarm at 820 V DC, helping protect the insulated-gate drivers from surge energy.
The control terminals provide a 10.5 V ±0.5 V reference for potentiometers and a stabilized 24 V (+1/-3 V) rail that can supply 200 mA to field sensors. An isolated digital output can sink 40 mA to operate signal relays, while the analog feedback channel returns process data with 12-bit resolution, providing 4,096 discrete values to the host PLC. Motor wiring may extend up to 50 m in shielded conduit or 75 m when unshielded before carrier harmonics exceed recommended limits. To reduce thermal cycling, complete power-up cycles are limited to one per minute. The available control connections support external references, process feedback, and status signaling without requiring separate interface hardware for basic automation tasks.
