FC-202P55KT4131B9063 Danfoss
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The Danfoss FC-202P55KT4131B9063 is part of the VLT FC 202 AQUA Drives series and delivers a power rating of 55 kW with a maximum output of 75 horsepower. This drive operates with three phase power at 380 to 480 VAC and features an efficiency of 0.98. It includes 4 standard digital inputs, 2 digital outputs, and 1 analog output with an 8-bit resolution and a range of 0/4-20 mA.
Internal Product Review
The FC-202P55KT4131B9063 is a Danfoss VLT AQUA Drive with a 55 kW rating and 75 hp capacity. Three-phase 380 to 480 VAC input and 0.98 efficiency support stable, energy-conscious operation in pump and water process systems. A 0/4-20 mA analog output and 32 kHz frequency output give this drive excellent control flexibility for demanding applications.
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Product Description:
The FC-202P55KT4131B9063 is an AC variable frequency drive built by Danfoss as part of the VLT FC 202 AQUA Drives series. It regulates centrifugal pumps, blowers, and other water-handling equipment by varying motor speed instead of relying on mechanical throttles. Within an automation system, the unit functions as a power stage that translates process commands into precise torque and flow control for induction motors in treatment plants, irrigation systems, and cooling towers. Its variable-speed operation allows pump output to follow changing process demand while reducing the energy wasted by valves or other mechanical flow-control methods.
The drive accepts a three-phase mains supply of 380–480 VAC, eliminating the need for step-up transformers in typical industrial switchboards. Within this voltage range, it can deliver a continuous power output of 55 kW, allowing direct coupling to large wastewater pumps. At rated load, the overall conversion efficiency reaches 98%, so only a small fraction of the input energy is lost as heat. This high efficiency reduces the amount of heat that must be removed from the enclosure during continuous operation. Danfoss VLT control algorithms modulate motor frequency to regulate hydraulic output across changing load conditions.
Control connectivity is provided by four digital inputs that operate between 0 and 24 V DC and tolerate peaks of up to 28 V. Their input impedance is 4 kΩ, which protects PLC sourcing cards from excessive current. Two transistor digital outputs transmit status or fault signals to external relays or control devices. One analog output supplies a process signal selectable between 0–20 mA or 4–20 mA with a load of up to 500 Ω, and its 8-bit resolution supports valve or gauge feedback in water-handling systems. The pulse-width modulation section supports carrier frequencies as high as 32 kHz, providing quieter motor operation when acoustic emissions must be limited. Upstream protection uses fuses rated at 160 A, coordinating with the drive’s inrush current while maintaining selective protection in low-voltage panels.
