FC-202PK37T4E55/131B8875 Danfoss
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The Danfoss FC-202PK37T4E55/131B8875 is part of the VLT FC 202 AQUA Drives series and provides a power rating of 0.37 kW, or 0.50 horsepower. It is designed for three phase power operation with a mains voltage range of 380 to 480 VAC. This unit features an IP55 protection level and belongs to the VLT AQUA Drive product group.
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Product Description:
The FC-202PK37T4E55/131B8875 is an AC variable-frequency drive produced by Danfoss for the VLT FC 202 AQUA Drives series. It is intended to regulate the speed of centrifugal pumps and fans so that flow and pressure follow process demand in water-supply and wastewater installations. By matching motor speed to hydraulic requirements, the unit helps reduce energy consumption and mechanical stress in continuous-duty industrial automation. Variable-speed operation also reduces the need to control flow by throttling valves, which can waste energy when a system operates below its maximum demand.
The drive accepts an input voltage of 380–480 VAC, a range that matches common low-voltage distribution systems without requiring a step-up transformer. It uses three-phase power, which balances current across three conductors and supports efficient operation with compatible industrial motors. The continuous electrical output is rated at 0.37 kW, which corresponds to a mechanical shaft capacity of 0.50 HP. This output is suitable for fractional-horsepower motors used in small booster skids, recirculation loops, dosing systems, and similar pump applications. The enclosure has an IP55 / Type 12 rating, protecting the internal electronics against dust, water jets, dripping water, and noncorrosive contaminants. This enclosure allows the drive to be installed in appropriate indoor process areas without requiring a separate protective cabinet for ordinary industrial exposure.
Within the VLT AQUA Drive product group, code 202 indicates control functions intended for pump and water-management applications. Available operating routines support pump starting, stopping, sleeping, and restarting in response to system demand. Pipe-fill control can gradually pressurize a pipeline, helping limit hydraulic shock and reducing stress on valves, seals, and connected piping. Sleep functions can stop the motor when demand remains low and restart it when pressure or flow falls below the selected operating threshold. These integrated functions allow the drive to respond to changing process conditions while maintaining controlled motor acceleration and deceleration. The terminal arrangement also supports connection to motor, power, and control wiring used in standard variable-frequency drive installations.
