FC-302PK55 Danfoss
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The Danfoss FC-302PK55 is part of the VLT FC 302 Automation Drives series and offers a power rating of 0.55 kW with 0.75 horse power. It features an analog output accuracy of 0.5% full scale with 12-bit resolution and a maximum output frequency of 590 Hz. This drive provides two digital outputs, a maximum flux mode frequency of 300 Hz, and supports up to 300 meters of unshielded motor cable.
Internal Product Review
The FC-302PK55 is a Danfoss VLT FC 302 automation drive rated for 0.55 kW and 0.75 HP. A 0.95 efficiency at rated current and 590 Hz maximum output frequency support smooth, efficient motor control across demanding automation duties. With 0.5% FS analog output accuracy and 12-bit resolution, the control platform stands out as a precise and dependable drive solution.
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Product Description:
The FC-302PK55 is an AC variable frequency drive manufactured by Danfoss for the VLT FC 302 Automation Drives series. The unit uses the 302 platform architecture and regulates motor speed without relying on mechanical throttling. By converting fixed-frequency mains power into a variable-frequency output, the drive provides torque and speed control for pumps, fans, and light material-handling equipment used in industrial automation systems. This electronic control method allows connected machinery to adjust its output according to changing process demand. The drive can also reduce unnecessary motor operation when an application does not require full speed.
The drive supports a continuous motor output of 0.55 kW, which corresponds to 0.75 HP. Its electrical efficiency reaches 0.95 at rated current, limiting the amount of input energy converted into heat. Full-load power dissipation is 42 W, which should be considered when arranging enclosure ventilation and equipment spacing. The drive can operate induction motors at output frequencies up to 590 Hz, supporting high-speed auxiliary applications. A dedicated flux-control mode regulates motor magnetization at frequencies up to 300 Hz and supports vector-controlled starting torque. These operating capabilities allow the inverter to serve both conventional variable-speed loads and applications requiring a broader frequency range.
The analog feedback channel provides an accuracy of 0.5% of full scale and a resolution of 12 bits, supporting precise process control. Two digital outputs can each supply up to 40 mA, while the optically isolated digital input stage accepts signals up to 28 V DC. A pulse-input bandwidth of 110 kHz accommodates rapid command signals, and a maximum carrier frequency of 32 kHz supports finely controlled motor output. Shielded motor cables can extend up to 150 m, while unshielded motor cables can extend up to 300 m for installations with remote equipment. Power cycling is limited to two startups per minute to reduce stress on the drive’s electrolytic capacitors. These wiring and control options support common industrial sensors, controllers, and remote motor installations without requiring mechanical speed-control components.
