FC-202P37KT4131F3066 Danfoss
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The Danfoss FC-202P37KT4131F3066 is part of the VLT FC 202 AQUA Drives series and has a power rating of 37 kW with a maximum output frequency of 590 Hz. This model operates on three phase 380 to 480 VAC mains voltage, delivers 50 horsepower, and supports a continuous output current of 65 A at 441-480 V. It can function at altitudes up to 1000 meters without derating and up to 3000 meters with derating, and handles ambient temperatures up to 50°C.
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Product Description:
The FC-202P37KT4131F3066 is a variable-frequency drive produced by Danfoss for the VLT FC 202 AQUA Drives series. Carrying the series identifier 202 within the VLT AQUA Drive product group, the unit converts fixed-frequency three-phase power into a modulated signal suitable for controlling the speed of centrifugal pumps and blowers. In automated water and wastewater facilities, it adjusts motor speed to match process demand, lowering energy consumption and minimizing hydraulic transients across networks of pipes, filters, and clarifiers. It integrates with PLC analog commands and digital I/O for closed-loop flow or pressure regulation.
Electrical capability centers on a continuous power rating of 37 kW, equivalent to 50 HP in imperial units. The input stage accepts 380–480 VAC three-phase power and allows a phase imbalance of 3.0% before issuing a fault. From that supply, the inverter can sustain an output current of 65 A to the motor. Speed regulation is achieved by varying the output frequency up to 590 Hz, supporting both subsynchronous and overspeed pump operation. The analog feedback port drives loads down to 500 Ω, while internal timers limit equipment restarts to one power-up per minute. A 100 A upstream fuse is required to coordinate short-circuit protection.
The drive draws a continuous input current of 59 A on 441–480 V networks and maintains full output at elevations up to 1000 m. Operation is permitted at elevations up to 3000 m with a proportional current reduction. The heat sinks support ambient air temperatures as high as 50 °C, and the conformal coating resists condensation at 95% relative humidity. Control terminals can toggle digital status signals at 32 kHz, ensuring responsive integration with SCADA alarms. Motor leads may extend up to 150 m when shielded or 300 m when unshielded, allowing remote pump placement without additional output filters.
