FC-301P7K5T4131Z0811 Danfoss
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The Danfoss FC-301P7K5T4131Z0811 is part of the VLT FC 301 Automation Drives series and features a power rating of 7.5 kW with a horse power of 10 HP. It operates with mains voltage between 380 and 480 VAC and supports three phase power. The unit supports a maximum output frequency of 590 Hz and can handle up to 4 mm² power cable cross-section.
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Product Description:
The FC-301P7K5T4131Z0811 is an AC variable frequency drive manufactured by Danfoss for the VLT FC 301 Automation Drives series within the VLT AutomationDrive FC product group. Designed for integration into conveyor, pump, and fan systems, the unit converts a fixed three-phase supply into a regulated output that allows control systems to vary motor speed and torque for process optimization. It belongs to the compact 301 platform and shares cabinet dimensions and parameter structures with other drives in the product line. This common format supports consistent panel layouts in distributed control systems.
The drive has a rated mechanical power of 7.5 kW, corresponding to 10 HP, and is suitable for midrange induction motors commonly found in HVAC loops and material-handling equipment. It accepts a three-phase 380–480 VAC supply and operates with a true power factor of at least 0.9 to reduce reactive loading. Phase imbalance must not exceed 3.0%, and the inverter can produce fundamental frequencies up to 590 Hz. A separate flux-vector channel reaches 300 Hz for field-weakening operation. Logic inputs tolerate 28 V DC, while shielded motor cables may extend 50 m and unshielded cables may extend 75 m. The power terminals accommodate conductors with a cross-sectional area of 4 mm². The IGBT bridge permits unlimited output switching for rapid start-and-stop sequences, but the drive is limited to two full power cycles per minute to protect the DC-bus capacitors.
Protective circuits supervise the DC link and switching stage during motor operation. The brake chopper engages at 728 V DC to dissipate regenerated energy through an external resistor, while an overvoltage alarm activates at 820 V DC to alert the controller before shutdown. The gate driver supports a carrier frequency of 110 kHz, providing fine voltage pulses for low-noise motor operation. Proper cable routing and conductor selection help limit electrical interference and reduce the likelihood of nuisance trips.
