FC-202P18KT2131H4922 Danfoss
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The Danfoss FC-202P18KT2131H4922 is part of the VLT FC 202 AQUA Drives series and is rated for 18.5 kW or 25 HP, running on three-phase 200 to 240 VAC mains voltage. This drive offers a continuous output current of 74.8 A with a maximum output frequency of 590 Hz and includes an integrated EMC filter meeting EN/IEC 61800-3 Category 2 and EN 55011 Class A1 standards.
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Product Description:
The FC-202P18KT2131H4922 variable frequency drive is manufactured by Danfoss as part of the VLT FC 202 AQUA Drives series. It is designed to regulate the speed of centrifugal pumps, blowers, and similar three-phase induction motors in water supply and wastewater processing plants, allowing pressure control and energy savings. By converting fixed line voltage to a variable frequency, the unit integrates into distributed control systems and provides dedicated functions for flow optimization and pump protection in industrial automation.
The rated output power is 18.5 kW, which corresponds to a mechanical capacity of 25 HP when the drive is connected to a properly sized motor. Under continuous load, it can deliver 74.8 A of output current and an apparent power output of 26.9 kVA at 208 V. The input section accepts 200–240 VAC three-phase line power and tolerates a maximum phase imbalance of 3.0%. Output frequency can be adjusted from zero up to 590 Hz, making the unit suitable for standard 50/60 Hz machines and high-speed pumps. Thermal losses are estimated at 737 W, so adequate panel ventilation is required to keep the power electronics within their operating temperature range.
The supply requirements include a maximum input current of 68.0 A and an upstream fuse rating of 125 A. During a fault, the power stage can withstand a short-circuit current of 100,000 A RMS. To minimize harmonic distortion, the drive maintains a true displacement power factor of at least 0.9 across its working load range. A factory-installed EMC filter keeps conducted emissions within EN 55011 Class A1 limits while satisfying the immunity requirements of EN/IEC 61800-3 Category 2. Only one power-up per minute is permitted, and the upstream phase balance should be monitored to avoid excessive stress on the DC link.
