FC-301PK37T2131X7289 Danfoss
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The Danfoss FC-301PK37T2131X7289 is part of the VLT FC 301 Automation Drives series and features a power rating of 0.37 kW with a maximum output frequency of 590 Hz. It operates on three phase 200 to 240 VAC mains voltage with a continuous output current of 2.40 Amps and an efficiency of 0.94. Horsepower is rated at 0.50 HP and the drive supports shielded motor cables up to 50 meters and unshielded cables up to 75 meters.
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Product Description:
The FC-301PK37T2131X7289 is an AC variable frequency drive manufactured by Danfoss for the VLT FC 301 Automation Drives series. It converts fixed three-phase mains power into a variable-frequency output that allows a PLC to regulate the speed and torque of an induction motor. Its control functions support closed-loop speed regulation when suitable motor feedback and control signals are provided. The drive is intended for automated equipment such as conveyors, mixers, pumps, and other machines that require adjustable motor operation.
The rated motor output is 0.37 kW. A mains input range of 200 to 240 VAC allows the drive to connect directly to common low-voltage industrial supplies. The continuous input current is 2.20 A, while the inverter provides a continuous motor output current of 2.40 A. During a 60-second overload cycle, the output current can rise to 2.60 A, while the overload input current remains 2.40 A. The drive has an efficiency of 0.94, which limits energy lost as heat during normal operation. Apparent power demand is 0.96 kVA when the drive operates from a 230 V supply. Frequency output covers the routine range from 0 to 300 Hz in flux mode and can reach a maximum of 590 Hz for compatible high-speed motors.
Steady-state power loss is 29 W, so the cabinet must provide enough airflow to remove the generated heat. The maximum permitted line imbalance is 3.0 percent, which reduces stress on the input rectifier when the supply phases vary. The drive supports up to 50 m of shielded motor cable or 75 m of unshielded motor cable, allowing separation between the drive and motor while maintaining acceptable electrical performance. Power-up sequencing is limited to two cycles per minute to prevent rapid cycling from placing excessive stress on the DC-link capacitors. These operating limits should be considered when the drive controls frequently started equipment such as indexing tables or intermittent conveyors.
