FC-301P1K1T4134L2981 Danfoss
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The Danfoss FC-301P1K1T4134L2981 is part of the VLT FC 301 Automation Drives series and is rated for 1.1 kW power and 1.5 horsepower. This three-phase drive operates on a mains voltage of 380 to 480 VAC and features two analog inputs, one analog output, and two digital pulse outputs. It supports a max shielded motor cable length of 50 meters and includes a relay output for AC and DC loads.
Internal Product Review
The FC-301P1K1T4134L2981 is a Danfoss VLT FC 301 automation drive designed for three-phase power at 380 - 480 VAC. The 1.1 kW and 1.5 HP rating makes the drive a strong fit for light industrial motor control. Support for 50 m shielded motor cable and 75 m unshielded motor cable adds useful installation flexibility.
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Product Description:
The FC-301P1K1T4134L2981 is a compact AC variable frequency drive produced by Danfoss as part of the VLT FC 301 Automation Drives series. The unit converts fixed-frequency three-phase mains power into a pulse-width-modulated output that allows production lines to vary induction motor speed on demand. Typical applications include conveyor regulation, pump flow adjustment, and fan control, where the drive’s closed-loop functions maintain torque while reducing energy consumption in industrial automation cells. Command signals can be supplied as voltage, current, or transistor pulses, providing flexibility when the drive is integrated with older or newer controllers.
The drive is rated at 1.1 kW, equivalent to 1.5 HP, and accepts line supplies from 380 to 480 VAC through three-phase power connections. Two analog input channels operate with 10-bit resolution for speed or torque references, while a single analog output updates process feedback with 12-bit resolution. The control terminals withstand up to 28 V DC on their digital input pins, and the open-collector status transistor can supply 40 mA to external indicators. One Form C relay output carries 240 V AC at 2 A or 60 V DC at 1 A, providing galvanic isolation for contactors or alarm circuits.
Two digital pulse outputs can switch at up to 32 kHz, enabling the inverter to emulate encoder channels for synchronizing auxiliary axes. Motor wiring may extend to 50 m when shielded or 75 m when unshielded without exceeding drive-side radio-frequency interference limits, providing routing flexibility in dispersed equipment. Screened signal paths help protect low-level commands from electromagnetic noise generated by nearby motors, contactors, and power cables. The dedicated relay contact also separates external switching circuits from the drive’s electronic control section, helping preserve signal integrity in electrically noisy industrial environments.
