FC-301P11KT4134G1791 Danfoss
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The Danfoss FC-301P11KT4134G1791 is part of the VLT FC 301 Automation Drives series and offers a power rating of 11 kW and 15 horsepower. This three-phase drive has an efficiency of 98% at rated current, with maximum input current of 22 A and continuous output current of 24 A at 380–440 V. It supports a mains voltage range of 380 to 480 VAC and features maximum output frequency of 590 Hz.
Internal Product Review
The FC-301P11KT4134G1791 is a Danfoss VLT FC 301 automation drive rated at 11 kW with 15 HP capacity. Three-phase 380 - 480 VAC input and 24 A continuous output current support stable motor control across standard industrial duty cycles. A measured 98% efficiency at rated current makes the drive a strong choice for energy-conscious automation systems.
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Product Description:
The FC-301P11KT4134G1791 is an adjustable-speed AC drive produced by Danfoss for the VLT FC 301 Automation Drives series. The device converts fixed-frequency three-phase power into a regulated output waveform, allowing PLCs to fine-tune motor speed, reduce inrush stress, and match pump or conveyor throughput to real-time demand. The frame is designed for panel mounting in original equipment and plant retrofit applications. Its adjustable output supports speed and torque regulation for motors used with mid-range fans, mixers, compressors, pumps, and conveyors.
Rated shaft power is 11 kW, positioning the unit for machinery with moderate power requirements. It accepts a 380–480 VAC input and draws up to 22 A during high-load transients, while delivering a continuous motor current of 24 A at 380–440 V. Electrical efficiency reaches 98%, so most incoming energy is passed to the motor rather than dissipated as heat within the drive. The drive supports one start per minute for duty cycles that include frequent shutdowns and restarts. Because the architecture uses voltage-source pulse-width modulation, upstream protection devices must account for the associated harmonic currents.
The inverter section can modulate output up to 590 Hz, while vector control keeps motor flux within the 300 Hz ceiling for motor magnetization. With a 400 V supply, its apparent power requirement is 16.6 kVA, and power dissipation is limited to 291 W, simplifying enclosure cooling. The DC link triggers an overvoltage alarm at 820 V DC and engages dynamic braking when the bus reaches 778 V DC. Field wiring may use up to 50 m of shielded cable or 75 m of unshielded cable without exceeding electromagnetic compatibility or voltage rise-time limits. The digital control terminals tolerate 28 V DC logic signals and recognize pulses as short as 4.5 ms, enabling high-speed sequencing from external controllers.
