FC-301PK55T2131B8962 Danfoss
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The Danfoss FC-301PK55T2131B8962 is part of the VLT FC 301 Automation Drives series and operates on three-phase power with a mains voltage of 200 to 240 VAC. It has a power rating of 0.55 kW, a continuous output current of 3.5 A, and features a maximum output frequency of 590 Hz. The drive provides an analog output resolution of 12 bit and achieves an efficiency of 0.95 at rated current.
Internal Product Review
The FC-301PK55T2131B8962 is a Danfoss VLT FC 301 automation drive built for 200 - 240 VAC service on three-phase power. Fast torque development with a 1 ms flux rise time and 160% starting torque for 60 s gives the unit excellent control authority during demanding starts. Rated-current efficiency of 0.95 stands out as a strong advantage for energy-conscious automation applications.
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Product Description:
The FC-301PK55T2131B8962 is a variable frequency drive manufactured by Danfoss and positioned in the VLT FC 301 Automation Drives series. The device modulates three-phase power to control the speed of standard AC induction motors used in industrial conveyors, fans, and metering pumps. By changing output frequency and voltage, it allows programmable acceleration, deceleration, and constant-torque operation that replaces mechanical valves or gear changes in automated lines.
The drive accepts a three-phase mains input of 200 - 240 VAC. It delivers a continuous shaft power of 0.55 kW, equivalent to the nameplate rating of 0.75 HP. At rated load, the inverter supplies 3.5 A of output current while drawing a maximum of 3.2 A from the supply, and it dissipates 42 W as internal heat. Motor speed can be adjusted up to 590 Hz, providing sufficient range for high-speed spindles or rapid acceleration profiles. Analog feedback leaves the control card with 12-bit resolution, while digital inputs accept up to 28 V DC and the transistor output supplies 40 mA for field relays.
Starting torque reaches 160% for 60 s, allowing the drive to overcome static friction on loaded machinery. Flux-vector control produces a torque rise within 1 ms, while the VVC+ algorithm settles in 10 ms for smoother ramps. Overall energy conversion efficiency is 0.95 at rated current, minimizing losses compared with contactor-controlled motors. The unit can operate at ambient temperatures up to 45 °C without derating, provided enclosure airflow keeps the electronics below their operating limit. Line-side impedance calculations use an apparent power value of 1.39 kVA. Permissible motor wiring extends to 50 m with shielded cable or 75 m with unshielded conductors.
