FC-202P55KT6134N7170 Danfoss
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The Danfoss FC-202P55KT6134N7170 is part of the VLT FC 202 AQUA Drives series and operates at an efficiency of 0.98 with a normal overload power of 55 kW. It handles a normal input current of 75 Amps at 575 V and supports three phase power with a maximum ambient temperature of 50 degrees Celsius. The drive features a brake resistor power of 4.2 kW and a nominal brake resistance of 15.8 Ohms.
Internal Product Review
The FC-202P55KT6134N7170 is a Danfoss VLT FC 202 AQUA drive rated for 55 kW and 75 hp normal overload duty. With 0.98 efficiency and three-phase power input, the drive delivers clean, dependable performance in demanding process systems. A 50 °C max ambient rating and 83 A normal overload current make the package a strong choice for continuous industrial service.
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Product Description:
The FC-202P55KT6134N7170 is an AC variable-frequency controller produced by Danfoss as part of the VLT FC 202 AQUA Drives series. This 202-coded device adjusts pump and fan speed to regulate flow and pressure in water and wastewater installations, reducing energy consumption compared with throttle-based methods. Its application in industrial automation stems from the ability to supply precise torque and optimized motor velocity through closed-loop modulation of the three-phase supply.
The optional brake resistor can absorb up to 4.200 kW of regenerative energy, and a dedicated brake thermo relay trips at 17 A to prevent thermal overload. Conversion efficiency is rated at 0.98, which helps limit internal heat rise during continuous operation. Input protection calls for a 160 A pre-fuse that disconnects the mains under fault current conditions. Dynamic braking requires at least 11.7 Ω of external resistance because lower values would exceed the resistor power envelope. With a 15 m motor cable, the output experiences a peak of 1.184 kV, a rise time of 0.276 µs, and a voltage-rise rate of 4.290 kV/µs. All control boards and power modules remain functional up to an ambient limit of 50 °C.
When supplied with 575 V three-phase power, the drive draws 75 A in normal duty and delivers 55 kW, equivalent to 82.7 kVA. At permissible overload, current increases to 83 A and shaft output reaches 75 hp for short intervals. The braking circuit is matched to a nominal resistor of 15.8 Ω, ensuring safe dissipation during rapid deceleration. By balancing phase currents and limiting harmonics, the VLT AQUA topology supports efficient operation across the pump’s speed range and helps match hydraulic inertia to the electrical capacity of the 202 series frame.
