FC-301P55KT4131B6114 Danfoss
Wake Industrial LLC is not an authorized distributor of this product.
The Danfoss FC-301P55KT4131B6114 is part of the VLT FC 301 Automation Drives series and operates on three phase power with a mains voltage range of 380 to 480 VAC. This drive delivers a rated power of 55 kW at 400 V or 75 horsepower at 460 V, and features a starting torque of 160% for 60 seconds. It achieves a high efficiency of 0.98 and supports a maximum output frequency of 590 Hz.
Internal Product Review
The FC-301P55KT4131B6114 is a Danfoss VLT FC 301 automation drive built for three-phase power on 380 - 480 VAC mains. Rated at 55 kW with 150% overload duty for 60 s/600 s, the drive performs very well in demanding variable-speed applications. Efficiency at rated current of 0.98 stands out as a key advantage for energy-conscious automation systems.
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Product Description:
The FC-301P55KT4131B6114 is an AC variable frequency drive produced by Danfoss for the VLT FC 301 Automation Drives series. It modulates three-phase mains power so that induction or permanent-magnet motors can run at controlled speeds and torque levels in automated conveyor, pump, or fan systems. By matching motor frequency to the real-time load, the unit helps reduce energy use and mechanical stress in industrial automation applications.
For mid-range machinery, the drive delivers a rated shaft output of 55 kW at 400 V or 75 hp at 460 V while accepting a 380 to 480 VAC supply on a three-phase line. Output frequency is programmable up to 590 Hz, and closed-loop vector control produces a starting torque of 160% for 60 s, allowing loaded motors to accelerate without external boosters. Flux optimization operates at frequencies up to 300 Hz to limit losses under partial load, and integrated IGBT monitoring helps keep the inverter within its thermal limits. The monitoring circuit responds to rapid load changes by supervising the inverter’s switching devices and limiting operation before excessive heating occurs.
An overload capacity of 150% for 60 s every 600 s is coordinated with brake chopper activation when the DC link rises above 778 V DC. A pre-alarm appears at 810 V DC so the control system can react before a hard overvoltage trip occurs at 820 V DC. Overall drive efficiency is 0.98, while the displacement power factor remains above 0.98 and the true power factor remains at least 0.9. Control terminals tolerate logic signals up to 28 V DC, supporting common industrial control circuits without additional signal conversion. The electronics permit one power-up per minute to protect the internal capacitors from repeated charging stress.
