FC-202N400T7134H3225 Danfoss
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The Danfoss FC-202N400T7134H3225 is part of the VLT FC 202 AQUA Drives series and provides a rated output of 400 kW, or 550 horsepower, for three-phase power systems. It supports a line voltage of 525 to 690 V AC, features one analog output with 8-bit resolution, two digital outputs, and a maximum output frequency of 32 kHz. The drive includes an RFI filter classified as Class A1/B (C1) and achieves analog accuracy of 0.8% FS.
Internal Product Review
The FC-202N400T7134H3225 is a Danfoss VLT AQUA drive rated for 400 kW output on 525–690 V AC systems. A 32 kHz maximum output frequency and RFI Class A1/B (C1) filtering support clean, responsive motor control in demanding process environments. Strong electrical performance and application-focused design make the drive an excellent choice for high-capacity pump and fan duty.
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Product Description:
The FC-202N400T7134H3225 is an AC variable frequency drive produced by Danfoss within the VLT FC 202 AQUA Drives series. Designed for pump and fan regulation in water and wastewater plants, the unit modulates motor speed to conserve energy and stabilize process pressure. By combining dedicated software for fluid applications with high-power silicon, the FC-202N400T7134H3225 serves as the central adjustable-speed controller between the three-phase supply and an induction motor.
Incoming line voltage can range from 525 to 690 V AC. At full load, the inverter delivers 400 kW (550 hp) to the motor terminals, while its built-in RFI Class A1/B (C1) filter keeps conducted emissions within Category C1 limits. The analog feedback channel maintains 0.8% FS accuracy with an 8-bit converter and can drive external instrumentation with an impedance as low as 500 Ω. One analog output is available, together with two transistor digital outputs and six programmable digital inputs; each input is referenced to the control common through a 4 kΩ network. The output gate pattern has 12-bit frequency resolution, supporting tight speed regulation for centrifugal equipment.
The control terminals are rated for logic levels up to 28 V DC, and each digital output can sink or source up to 40 mA into field coils or optocouplers with a resistive burden of 1 kΩ. In the power stage, the modulator can generate carrier or switching frequencies up to 32 kHz, providing fine control when matching acoustic or efficiency targets. For capacitive sensors, the drive permits up to 10 nF across the output without tripping its protection circuit. All functions operate on the VLT 202 control platform, allowing parameter sets to be transferred across identical power frames.
