FC-202N355T4135U3825 Danfoss
Wake Industrial LLC is not an authorized distributor of this product.
The Danfoss FC-202N355T4135U3825 belongs to the VLT FC 202 AQUA Drives series and is designed for three phase power systems with a mains voltage of 380 to 480 VAC. It offers a rated power of 355 kW (475 hp) and features digital outputs up to 40 mA and an analog output with 0.8% full scale error. The drive supports a brake power of 32 kW at 10% duty and has a maximum output frequency of 32 kHz.
Internal Product Review
The FC-202N355T4135U3825 is a Danfoss VLT AQUA drive engineered for demanding industrial pumping applications on 380 - 480 VAC three-phase power. Rated at 355 kW with a maximum output frequency of 32 kHz, the unit offers excellent control range and confident high-load performance. A 32 kW brake power capacity further strengthens deceleration handling, making this drive a strong choice for large AQUA systems.
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Product Description:
The FC-202N355T4135U3825 is an AC variable-frequency drive produced by Danfoss for the VLT FC 202 AQUA Drives series. It regulates the speed of centrifugal pumps, blowers, and other induction motors used in municipal water supply, wastewater aeration, and irrigation systems. By matching motor speed to real-time flow or pressure demand, the unit helps reduce energy consumption, limit water hammer, and extend mechanical seal life in automated fluid-handling applications.
The drive delivers a continuous output of 355 kW, matching the power requirements of high-capacity pumping stations. It operates within a mains range of 380–480 VAC on a three-phase power network and synthesizes a motor waveform with a carrier frequency selectable up to 32 kHz, allowing quieter operation and lower motor heating. One analog feedback channel provides 8-bit resolution and maintains full-scale accuracy within 0.8% FS; this channel can retransmit process values to a PLC or SCADA node. Two optically isolated digital outputs supply up to 40 mA each for run status, fault indication, or valve interlock signals, while the analog output supports loads down to 500 Ω without distortion.
Dynamic braking demands are served by an external resistor bank that can dissipate 32 kW during a 10% duty cycle, using recommended resistances between 1.2 Ω and 1.6 Ω. A dedicated thermal relay opens the brake circuit at 157 A to protect the resistor assembly from thermal overload. The inverter has a power rating of 475 hp. One configurable analog output and two digital outputs simplify field wiring, and the drive’s brake terminals accommodate two 35 mm² conductors to help keep conductor temperatures within limits during repeated decelerations in variable-speed pump service.
