Product Description:

The FC-202P90KT4E20H1 variable frequency drive is manufactured by Danfoss and belongs to the VLT FC 202 AQUA Drives series. It is part of the VLT AQUA Drive product group and controls the speed of three-phase motors in automated installations that handle water, HVAC, or process duties. Its series identifier is 202, which supports parameter compatibility across the family and use in multi-drive systems.

The drive connects to an input supply range of 380–480 VAC, three-phase power and draws up to 145 A of input current at 441–480 V. With an apparent demand of 128 kVA, it allows switchgear and transformer sizing to be calculated accurately. On the motor side, the inverter can deliver 160 A of continuous output current to support dynamic loads without current derating. Drive efficiency is specified at 0.99, so nearly all input power is transferred to the motor, although the internal electronics and switching elements still dissipate 1474 W of heat that must be removed from the enclosure. Conducted emissions are limited by an integrated RFI filter rated to Class A1/B (C1), permitting installation on public low-voltage power networks while meeting electromagnetic compatibility requirements.

The inverter supplies up to 90 kW or 125 HP of mechanical power to a matched motor while maintaining stable torque regulation. Continuous operation is permitted in rooms as hot as 50 °C, provided airflow across the IP20 / Chassis enclosure remains unobstructed. This enclosure type means the unit must be mounted inside a panel for personnel safety. Line and motor terminals accept cable cross-sections up to 150 mm², and the brake or load connection can be wired with 95 mm² conductors. Motor leads may run 150 m when shielded or 300 m when unshielded without exceeding drive switching limits. A 250 A pre-fuse is specified to protect upstream wiring against short-circuit events and to coordinate with the drive’s semiconductor protection.