FC-202P18KT6131G1538 Danfoss
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The Danfoss FC-202P18KT6131G1538 is part of the VLT FC 202 AQUA Drives series and features a power rating of 18.5 kW with 25 HP output. It operates on three phase power, delivers an output current up to 28 Amps at 525-550 V, and supports input currents of 25.4 Amps at 550 V and 24 Amps at 575 V. The drive achieves an efficiency of 0.98 and can function in ambient temperatures up to 50°C at altitudes up to 1000 meters without derating.
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Product Description:
The FC-202P18KT6131G1538 is an AC variable-frequency inverter manufactured by Danfoss for the VLT FC 202 AQUA Drives series. It serves pump and fan applications in municipal and industrial water systems where flow must track changing demand. By rectifying incoming three-phase power and generating a regulated output waveform, the drive permits precise speed control of induction motors, helping facilities reduce energy consumption and lessen hydraulic shock during starting, stopping, or throttling events.
The power stage delivers a continuous apparent power of 26.7 kVA at 550 V, and its mechanical output is rated at 25 HP, equivalent to 18.5 kW. When supplied from a 550 V line network, the rectifier draws 25.4 A; the current requirement drops to 24 A on 575 V feeds. The IGBT bridge can use carrier frequencies up to 32 kHz, a setting that minimizes audible noise and improves torque linearity. Motor terminals receive 28 A in the 525–550 V range. The unit requires three-phase power, ensuring balanced loading on the utility source and compatibility with standard industrial service entrances.
Overall conversion efficiency reaches 0.98, so only 370 W of heat is produced at nominal load. The electronics tolerate ambient temperatures up to 50 °C without derating, provided the installation altitude does not exceed 1000 m. Integrated radio-frequency interference filtering supports shielded motor leads up to 150 m long or unshielded cables up to 300 m long. At higher line voltages, the inverter supplies 27 A to the motor. Two digital pulse outputs can report the speed reference or fault status to plant PLCs. Upstream protection is provided by a 50 A fuse, which limits prospective short-circuit energy and coordinates with the drive’s protection system.
