FC-301P11KT4131B3658 Danfoss
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The Danfoss FC-301P11KT4131B3658 is part of the VLT FC 301 Automation Drives series and features a power rating of 11 kW with a maximum output frequency of 590 Hz. It supports three-phase 380 to 480 VAC mains voltage, includes one analog output at 12-bit resolution, and two digital outputs with a maximum digital output current of 40 mA. The drive operates with the VVC+ control principle and offers both relay and digital output options.
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Product Description:
The FC-301P11KT4131B3658 is an AC variable-frequency drive supplied by Danfoss within the VLT FC 301 Automation Drives series. The unit converts fixed mains power into regulated output power that allows control systems to vary the speed of induction motors used in conveyors, pumps, and material-handling stations. By combining sensor feedback with internal regulation, the drive adjusts motor torque and speed to maintain stable process performance under changing load conditions.
The power stage delivers a continuous output of 11 kW, which is equivalent to 15 HP. It accepts a mains voltage range of 380–480 VAC from three-phase power networks operating at 50 or 60 Hz with a tolerance of ±5%. The output frequency reaches 590 Hz, while the magnetic flux regulator can operate at up to 300 Hz for applications requiring an extended constant-torque range. Internal carrier generation reaches 110 kHz to support the drive’s fast-switching IGBT output stage. Motor leads may extend up to 50 m when shielded or 75 m when unshielded, allowing the motor to be installed remotely without additional filters. Two Form C relays control auxiliary loads, with ratings of 240 VAC at 2 A for AC-1 duty and 60 VDC at 1 A for DC-1 duty.
The drive provides one analog output with 12-bit resolution for transmitting process variables to a PLC. A separate analog channel can be configured for either a 0–10 V signal or a 0–20 mA signal. Six digital inputs tolerate up to 28 V DC, allowing direct connections to compatible PNP sensors. Two digital outputs can each source 40 mA for pilot lamps, interlocks, or other low-current control devices. A maximum pulse frequency of 110 kHz supports high-speed encoder emulation and pulse-based control signals. Motor control uses the VVC+ principle, which adjusts the voltage-to-frequency relationship in real time to stabilize magnetic flux and maintain consistent motor response.
