FC-202P22KT4E20H1 Danfoss
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The Danfoss FC-202P22KT4E20H1 is part of the VLT FC 202 AQUA Drives series and operates on three-phase power with a mains voltage range of 380 to 480 VAC. This drive provides a power rating of 22 kW or 30 HP and features an IP20 protection level. It is equipped with an RFI filter rated Class A1/B (C1).
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Product Description:
The FC-202P22KT4E20H1 is a variable frequency drive built by Danfoss for the VLT FC 202 AQUA Drives series. Intended for pump and fan applications in water and wastewater facilities, the unit converts fixed mains power into a regulated AC waveform so that induction motors follow precise speed commands from a PLC or dedicated flow controller. Matching motor speed to real-time demand helps reduce energy consumption when the process does not require full flow. Controlled acceleration and deceleration can also reduce hydraulic transients in distribution networks, protecting connected piping and valves from sudden pressure changes.
Input compatibility ranges from 380–480 VAC, allowing the drive to connect directly to common industrial feeders without an autotransformer. The inverter section provides a continuous output rating of 22 kW, supporting medium-frame induction motors used with large-bore centrifugal pumps. The power stage accepts three-phase power, allowing current to be distributed across the motor windings for stable torque production. The enclosure has IP20 chassis protection, so the drive must be installed inside a suitable switchboard or control cabinet that restricts access and protects it from moisture. For electromagnetic compatibility, the integrated filter meets RFI Class A1/B (C1), helping limit conducted emissions on the incoming supply lines. Proper cabinet ventilation must be provided so heat from the power electronics can dissipate during sustained operation.
The drive supports a motor shaft output of 30 HP, a rating commonly used for booster pumps in municipal lift stations and secondary filtration loops. Its application functions include sleep mode, dry-run detection, and automatic energy optimization for variable-torque pump systems. Sleep mode can stop the motor when demand remains below an adjustable threshold, while dry-run detection helps prevent operation without adequate fluid flow. Automatic energy optimization adjusts motor excitation to reduce unnecessary electrical losses under partial load. The numeric identifier 202 distinguishes this water-focused drive platform from general-purpose models in the broader VLT product range. Dedicated water utility macros provide preset control structures for common pumping arrangements and simplify integration with pressure, level, and flow signals.
