FC-301P37KT4134L2958 Danfoss
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Manufactured by Danfoss, the FC-301P37KT4134L2958 belongs to the VLT FC 301 Automation Drives series and features a 50 horsepower rating with a power rating of 37 kW. The drive operates on three phase power at 380-480 VAC and delivers an efficiency of 0.98 at rated current. It provides two digital outputs, four programmable inputs, and a 12-bit analog output resolution.
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Product Description:
The FC-301P37KT4134L2958 is an AC variable frequency drive from Danfoss that belongs to the VLT FC 301 Automation Drives series. As a member of the VLT AutomationDrive FC product group, it converts fixed-frequency three-phase mains power into a regulated output that allows control systems to match induction motor speed to real-time load requirements. The drive can improve energy efficiency and process accuracy in conveyors, pumps, and fan systems across industrial automation lines.
The unit is rated for 37 kW of continuous electrical output, which corresponds to 50 HP at the motor shaft. It accepts a three-phase supply between 380–480 VAC, and the line draws 66 A under nominal load when the drive operates on a 380–440 V network. Drive conversion losses are limited by an efficiency of 0.98, and the true power factor remains at or above 0.9, allowing upstream protection equipment to be sized without excessive margin. Four programmable inputs accommodate start, stop, and speed reference signals. Two digital outputs can each deliver up to 40 mA for status signaling. A 12-bit analog output provides proportional feedback to supervisory controllers, and the electronics tolerate a maximum phase imbalance of 3.0% on the incoming supply.
For applications that impose sudden load spikes, the high-overload channel supplies 73 A for one minute and can withstand a short peak of 110 A. The drive has a power loss of 697 W at maximum load, providing the heat dissipation value needed for cabinet cooling calculations. The displacement power factor remains above 0.98, supporting efficient use of the incoming supply during dynamic operation. The drive permits only one power-up per minute to protect the inrush circuitry from repeated charging cycles. Its three-phase architecture corresponds to Series Identifier 301 and supports standard Danfoss option modules.
