Product Description:

The FC-202P5K5T4131B8940 is an AC variable frequency drive produced by Danfoss for the VLT FC 202 AQUA Drives series. This pump-focused controller regulates the speed of induction motors used in water and wastewater systems. By converting fixed-frequency mains power into a variable-frequency output, the drive allows process controllers to maintain flow or pressure setpoints without relying on mechanical throttling. This method can reduce stress on valves, pumps, and associated piping while supporting efficient operation across changing process demands.

The drive delivers a rated motor output of 5.5 kW, which is mechanically equivalent to 7.5 HP. It accepts a supply range of 380–480 VAC and is designed for three-phase power, so typical plant switchgear does not require phase conversion. Overall conversion efficiency reaches 97%, which limits the amount of input energy lost as heat during operation. The continuous input current is 11.7 A, while the apparent power is 9.0 kVA at 400 V. Incoming phase imbalance must remain within 3.0% to prevent derating. The drive may be energized no more than twice per minute, allowing the charging components to cool between starts and reducing stress on the DC-link circuit.

Full-load power dissipation is 187 W, so the enclosure must provide enough ventilation to remove the generated heat. The inverter supplies a continuous output current of 13 A, and the application pre-fuse rating must not exceed 30 A. Its control section includes one analog output and two digital outputs for external monitoring and control functions. The analog channel supports loads with resistance as low as 500 Ω, while each digital output can source up to 40 mA. The inverter supports a carrier switching frequency of 32 kHz for fine output adjustment. Its motor output frequency can reach 590 Hz, supporting oversynchronous operation when the connected pump and motor are suitable for elevated speeds.