FC-301P75KT4131B6123 Danfoss
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The Danfoss FC-301P75KT4131B6123 is part of the VLT FC 301 Automation Drives series and delivers a rated power of 75 kW with a rated horsepower of 100 hp. Designed for three phase power, it operates at a mains voltage of 380 to 480 VAC and supports a maximum output frequency of 590 Hz. The drive offers an overload capacity of 150 percent for 1 minute every 10 minutes and has a short-circuit rating of 100 kA RMS.
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Product Description:
The FC-301P75KT4131B6123 is a variable frequency drive produced by Danfoss for the VLT FC 301 Automation Drives series. Within automated plants, the unit converts fixed three-phase mains power into a controlled AC output so that induction motors follow speed or torque commands set by PLCs. By adjusting frequency instead of relying on mechanical dampers or gears, the drive helps processes respond quickly to load changes while maintaining consistent product flow.
The drive has a continuous motor output rating of 75 kW, equivalent to 100 hp, indicating the maximum power available for a matched motor. The input section accepts a three-phase line voltage range of 380–480 VAC. The power stage can raise the output frequency to 590 Hz for high-speed applications, while flux mode supports operation at up to 300 Hz. The thermal design permits an overload of 150% for one minute in every 10-minute period, providing additional torque during acceleration or periodic load peaks. A brake circuit activates when the DC bus reaches 778 V. An internal warning occurs at 810 V DC, providing notice before the drive reaches its shutdown threshold. The assembly is classified in overvoltage category III for installation on industrial distribution boards.
Phase imbalance must not exceed 3.0%, and the drive permits only one power-up per minute to protect its charging circuits. Output cabling can extend up to 50 m when shielded or 75 m when unshielded without exceeding applicable electromagnetic compatibility limits. The logic inputs accept speed-reference pulses at frequencies up to 110 kHz, supporting precise command signals from connected control equipment. An alarm occurs when the DC bus reaches 820 V DC. When paired with the appropriate fuse class, the drive tolerates symmetrical short-circuit currents up to 100 kA RMS. These operating limits help protect the power stage, connected motor, and upstream electrical system during abnormal line or load conditions.
