FC-202N400T7134G8275 Danfoss
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The Danfoss FC-202N400T7134G8275 is a VLT FC 202 AQUA Drive with a rated power of 400 kW and 550 horsepower, designed for three phase power applications. It features two analog inputs with 10-bit resolution, two digital outputs with a current of 40 mA, and supports a displacement power factor above 0.98. The drive supports an analog input bandwidth of 200 Hz and allows for a maximum phase imbalance of 3 percent.
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Product Description:
The FC-202N400T7134G8275 is a three-phase AC variable frequency drive produced by Danfoss within the VLT FC 202 AQUA Drives series. The drive regulates centrifugal pump and fan motors so that flow or pressure matches real-time demand in water and wastewater facilities. By converting fixed-frequency mains power into a synchronized pulse-width modulation output, it provides variable-speed control that reduces energy use while maintaining process accuracy. The drive is intended for liquid-handling automation, including high-capacity pumping, distribution, and treatment systems that require responsive motor control.
For integration with supervisory controllers, the unit offers two differential analog inputs that accept process signals up to 200 Hz and are digitized at 10-bit resolution. These channels allow the drive to follow feedback from pressure transducers or flow meters without requiring a separate signal converter. One isolated analog output can retransmit a speed reference to external meters and supports loads down to 500 Ω. The input and output block also includes two transistor digital outputs, each sourcing up to 40 mA, for status signals such as drive-ready or fault indications. Thermal headroom for short-term load spikes is provided by a normal overload capacity of 110% for 60 seconds, allowing the drive to support temporary demand increases such as impeller-cleaning cycles without tripping.
Electrical performance is suited to utility connections on three-phase power systems, where phase imbalance must remain within 3.0%. The assembly is designed for Overvoltage Category III installations, making it appropriate for connection to fixed industrial distribution systems. A displacement power factor of greater than 0.98 and a true power factor of at least 0.9 help limit reactive demand on the feeder. The drive can deliver up to 400 kW, providing enough output for high-capacity pumping stations and large fan systems. Its control algorithms regulate motor torque under changing supply and process conditions while monitoring the incoming phases for deviations that could affect operation.
