FC-301P45KT4131H5504 Danfoss
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The Danfoss FC-301P45KT4131H5504 belongs to the VLT FC 301 Automation Drives series and is rated for 45 kW of power on a 380 to 480 VAC three-phase supply. It features an active DC-link brake voltage of 778 V DC and can endure an overload capacity of 150 percent for 60 seconds every 10 minutes. The drive operates at a maximum full-load temperature of 45 °C and maintains an energy efficiency class of IE2.
Internal Product Review
The FC-301P45KT4131H5504 is a Danfoss VLT FC 301 automation drive rated at 45 kW for 380 - 480 VAC systems. Three-phase power with a displacement power factor above 0.98 gives the drive notably efficient and stable electrical performance. A 150% overload capacity for 60 s/10 min makes the unit especially well suited for controlled high-load cycles.
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Product Description:
The FC-301P45KT4131H5504 is an AC variable-frequency drive manufactured by Danfoss for the VLT FC 301 Automation Drives series. Within an automation cell, the unit modulates output frequency so controllers can regulate induction motor speed. This control can improve energy use and process accuracy in pumps, fans, conveyors, and other material-handling systems.
This inverter delivers a continuous output of 45 kW while accepting line supplies from 380–480 VAC on a three-phase power network. A short-term overload capacity of 150% for 60 seconds every 10 minutes supports rapid acceleration or brief torque transients without tripping the drive. The internal brake chopper engages the DC link at 778 V DC, and the warning threshold is set at 810 V DC. An overvoltage trip occurs at 820 V DC to protect the power section from excessive voltage. Power quality is supported by a displacement factor above 0.98, while a true power factor of at least 0.9 limits reactive current draw. The drive has an IE2 efficiency classification, supporting efficient motor operation under typical industrial loads.
Full-load operation is permitted at ambient temperatures up to 45 °C, and the drive can maintain 90% output at 50 °C. Current derating is necessary when the ambient temperature exceeds 55 °C. Installation at altitudes up to 1000 m requires no output adjustment, while operation remains possible with reduced current at elevations up to 3000 m. Supply phase imbalance should remain at or below 3.0% to reduce stress on the DC-link components. For motor connections, shielded cable may run up to 50 m, while unshielded cable may extend to 75 m. These cable limits help maintain stable motor output and reduce the likelihood of electrical interference in surrounding control equipment.
