FC-202PK37T4134N7540 Danfoss
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The Danfoss FC-202PK37T4134N7540 is part of the VLT FC 202 AQUA Drives series and is rated for 0.50 horsepower with a maximum output frequency of 32 kHz. This three phase drive supports a mains voltage of 380 to 480 VAC and operates efficiently at 0.93. It provides continuous output currents of 1.3 amps at 380-440V and 1.2 amps at 441-480V.
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Product Description:
The FC-202PK37T4134N7540 is a Danfoss AC drive in the VLT FC 202 AQUA Drives series. Intended for centrifugal pumps, blowers, and similar water-handling equipment, it modulates motor frequency so process flow can be adjusted without throttling valves or bypass lines. Designed for cabinet installation in treatment plants, the unit integrates with standard control networks to provide speed regulation, fault signaling, and analog feedback for supervisory PLCs. This control method allows the connected equipment to respond to changing flow or pressure demands while reducing unnecessary motor operation.
The power section accepts a supply of 380 – 480 VAC, and its inverter is rated at 0.37 kW, equivalent to 0.50 HP of motor output. Continuous input current is 1.2 A on 380–440 V grids and 1.0 A near 480 V, while output current remains 1.3 A and 1.2 A, respectively, allowing direct connection to small IE3 induction motors. One isolated analog output can transmit speed, pressure, or level data to plant instrumentation. The carrier frequency is adjustable up to 32 kHz, which helps minimize audible noise from compact pump motors. Overall conversion efficiency reaches 0.93, so most of the absorbed energy is transferred to the load rather than lost as heat. When shielded cable is required, the drive supports cable runs of up to 150 m. Unshielded leads may extend to 300 m when permitted by the installation conditions.
Thermal dissipation is rated at 35 W, helping control enclosure temperatures in sealed panels. The electronics remain fully functional in ambient air up to 50 °C, supporting installation in warm pump galleries or loft-mounted aerator racks. For upstream protection, a 10 A gG or UL Class J fuse is suitable for the drive’s inrush current and short-circuit protection requirements. The input section operates with three-phase power, which balances phase loading and distributes harmonic currents symmetrically across the supply conductors. This balanced input arrangement also supports stable operation when the drive regulates small motors in continuous pumping and ventilation applications.
