FC-202N250T4134F4184 Danfoss
Wake Industrial LLC is not an authorized distributor of this product.
The Danfoss FC-202N250T4134F4184 is a drive from the VLT FC 202 AQUA Drives series, offering a drive power of 250 kW and 350 horsepower. It supports three phase power with a mains voltage of 380 to 480 VAC and features a vertical brake power rating of 90 kW with a 40% duty cycle.
Internal Product Review
The FC-202N250T4134F4184 is a Danfoss VLT AQUA drive with a 250 kW rating and three-phase power input. A 380 to 480 VAC mains range and 90 kW vertical brake power make this unit especially capable in demanding duty cycles. An excellent choice for dependable high-load AQUA drive service.
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Product Description:
The FC-202N250T4134F4184 is an AC variable-frequency drive built by Danfoss within the VLT FC 202 AQUA Drives series. It is intended for centrifugal pumps, blowers, and similar equipment where precise speed control maintains flow or pressure while reducing energy consumption. By modulating output frequency and voltage, the drive can replace mechanical throttling devices and respond to commands from plant PLCs in water treatment and distribution systems. Variable-speed operation allows the connected motor to match changing process demands rather than run continuously at full speed.
This model delivers a continuous motor output of 250 kW. Input power is accepted from 380–480 VAC supply lines, and the converter is wired for three-phase power, allowing direct connection to common industrial mains within that voltage range. During regenerative braking on hoisting equipment or descending columns, the internal chopper can dissipate up to 90 kW of vertical braking energy. This braking capability protects the DC link by directing returned energy to a compatible external resistor. The available output supports large pump and blower motors used in municipal water systems, industrial processing plants, and pressure-control applications.
The vertical braking channel has a duty cycle of 40%, allowing braking energy to be dissipated for a substantial portion of an operating cycle without exceeding the stated thermal limit. Danfoss recommends a brake resistance of 2.1 Ω, while the design range extends from 2.3 Ω nominal to 1.6 Ω minimum to accommodate operating and installation requirements. For horizontal loads, the drive can remove 20 kW of kinetic energy at a 10% duty cycle, supporting controlled deceleration of conveyors or pumps during rapid stops. The selected resistor must remain within the permitted resistance range and have sufficient thermal capacity for the applicable braking cycle. Correct resistor selection helps prevent excessive DC-link voltage while allowing the drive to maintain controlled motor deceleration.
