FC-202P45KT4131H2836 Danfoss
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The Danfoss FC-202P45KT4131H2836 is part of the VLT FC 202 AQUA Drives series and operates on three phase power with a mains voltage range of 380 to 480 VAC. It features a maximum output frequency of 590 Hz, supports up to 40 mA on its two digital outputs, and includes an RFI filter. The drive is efficient at 0.98 and is rated for operation at ambient temperatures up to 50 °C and altitudes up to 1000 meters.
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Product Description:
The FC-202P45KT4131H2836 is an AC variable-frequency drive built by Danfoss for the VLT FC 202 AQUA Drives series. It is designed for pump and blower stations where automated control systems must adjust motor speed to match changing water or wastewater demand. By converting line power into a regulated three-phase output, the drive supports energy-efficient flow control in municipal and industrial fluid-handling systems. Its variable-speed operation can reduce unnecessary motor output during periods of lower demand while maintaining the flow or pressure required by the process.
The inverter accepts 380–480 VAC three-phase mains power and includes an internal RFI filter that limits conducted emissions in accordance with applicable EMC guidelines. Its power stage has a short-circuit withstand rating of 100,000 A rms when the feeder is protected by a 125 A pre-fuse. The drive reaches a conversion efficiency of 0.98, which helps reduce the amount of heat released inside the control panel. Variable-torque pumps can operate at output frequencies up to 590 Hz, providing a broad control range for specialized motor applications. The two digital outputs can supply control relays, and each output can sink up to 40 mA. One analog output supports loads with an impedance of at least 500 Ω, allowing connection to remote indicators or compatible control devices. The electronics permit one power-up per minute to protect the components that manage inrush current. Parameter sets use the Series Identifier 202 structure employed throughout this drive platform.
The drive can operate at altitudes up to 1000 m without derating, allowing full output capability at many inland installation sites. Full thermal performance is maintained at ambient temperatures up to 50 °C, provided the required mounting clearances and airflow are available. The enclosure tolerates 95% non-condensing relative humidity, making it suitable for humid pump rooms where condensation is controlled. Motor leads can extend up to 300 m with non-shielded cable, providing flexibility when pumps or motors are installed far from the control cabinet. Shielded motor cable may extend up to 150 m when additional electromagnetic protection is required. The drive includes analog I/O, digital I/O, and a three-phase power interface for integration with external process controls. These connections support motor regulation, status signaling, and remote process feedback without requiring a separate speed-control device.
