FC-301P18KT4131X7285 Danfoss
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The Danfoss FC-301P18KT4131X7285 is part of the VLT FC 301 Automation Drives series and supports a power rating of 18.5 kW with 25 horsepower output. It operates on 380 to 480 VAC three-phase power, with an overload capacity of 160 percent for one minute every ten minutes. The drive features two analog inputs with 10-bit resolution, one relay output, and supports up to 75 meters of unshielded motor cable.
Internal Product Review
The FC-301P18KT4131X7285 is a Danfoss VLT FC 301 automation drive designed for 18.5 kW service on 380 - 480 VAC mains. Three-phase power architecture and 160% overload capacity per 10 minutes give this unit strong headroom for demanding motor control duty. A 100 kA RMS short-circuit rating makes this drive an excellent fit for high-reliability industrial panels.
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Product Description:
The FC-301P18KT4131X7285 is an AC variable frequency drive manufactured by Danfoss for the VLT FC 301 Automation Drives series. In an automation cell, it modulates the voltage and frequency delivered to an induction motor, allowing controllers to adjust shaft speed and torque instead of relying on mechanical throttling. This capability makes the unit suitable for conveyors, pumps, and ventilation equipment that benefit from electronic speed regulation and reduced energy use.
The drive connects to plant mains in the range of 380 – 480 VAC and is rated for 18.5 kW of continuous output, equivalent to 25 HP. It is built for three-phase power networks and tolerates momentary process peaks with an overload capacity of 160% for 1 minute per 10 minutes. Internally, its DC-link brake circuit engages at 778 V DC, while a warning is issued at 810 V DC and a separate alarm is triggered at 820 V DC to protect the bus capacitors. One relay output provides dry-contact signaling to external interlocks, and two analog inputs accept process references. A 10 V reference source supplies up to 15 mA for potentiometers, while a 24 V terminal can supply 200 mA to discrete sensors. The unit should not be power-cycled faster than the permitted rate of one start per minute.
A short-circuit rating of 100 kA RMS allows installation on high-capacity feeder panels without additional upstream fusing. When EMC shielding is required, the shielded motor cable can extend up to 50 m. If shielding is unnecessary, an unshielded cable run of 75 m is permitted. Command accuracy from external transducers is supported by an input resolution of 10 bits, allowing the drive to process analog reference signals with consistent precision. The DC-link brake helps absorb regenerative energy produced during rapid motor deceleration. Relay signaling can also communicate drive conditions to external control circuits or safety interlocks without requiring an additional signal converter.
