FC-301P18KT4131F5388 Danfoss
Wake Industrial LLC is not an authorized distributor of this product.
The Danfoss FC-301P18KT4131F5388 is part of the VLT FC 301 Automation Drives series and has a power rating of 18.5 kW with an efficiency of 0.98 at rated current. It handles a continuous input current of 34 amps and a continuous output current of 37.5 amps at 380-440 V, supporting three phase power and a maximum output frequency of 590 Hz. The drive is rated for 25 horsepower and operates at a mains voltage range of 380 to 480 VAC.
Internal Product Review
The FC-301P18KT4131F5388 is a Danfoss VLT FC 301 automation drive rated at 18.5 kW and 25 HP. High operating efficiency of 0.98 and 37.5 A continuous output current support stable motor control in demanding three-phase applications. Mains compatibility across 380 to 480 VAC makes this drive a strong choice for flexible industrial integration.
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Product Description:
The FC-301P18KT4131F5388 is a variable frequency drive manufactured by Danfoss for the VLT FC 301 Automation Drives series. It converts fixed-frequency three-phase input into a regulated, pulse-width-modulated output, letting control systems adjust motor speed without mechanical throttling. This product sits in the mid-power class of the platform and is used on conveyors, pumps, and ventilation equipment where accurate speed regulation, torque ramping, and integrated protection functions enhance plant efficiency.
It connects to industrial feeders rated at 380–480 VAC and provides a continuous motor output of 18.5 kW. Under those conditions, the inverter delivers a steady motor phase current of 37.5 A. For starting or acceleration events, it can supply up to 60 A for one minute before reverting to the nominal load. Conversion efficiency reaches 0.98, so only a small fraction of the incoming power is dissipated as heat. The control algorithm can extend the motor speed range by raising the fundamental frequency to a maximum output of 590 Hz, supporting high-speed spindles or compact blower drives. The apparent input power at 400 V is 26 kVA, and the DC-link brake chopper activates at 778 V DC to absorb regenerated energy.
At rated conditions, the module produces only 444 W of heat, easing enclosure ventilation calculations and allowing installation in compact cabinets. The monitoring circuit issues a high-voltage warning at 810 V DC, allowing regenerative conditions to be identified before the 820 V DC alarm forces a controlled shutdown. Motor leads can run up to 50 m when shielded, enabling remote drive placement while keeping conducted emissions within acceptable limits. The shielded cable should be routed according to the applicable installation practices to preserve electromagnetic compatibility. Adequate cabinet airflow helps remove conversion losses during continuous operation. The brake circuit must also be selected to accommodate energy returned by the connected motor during deceleration.
