FC-301P30KT2131B8976 Danfoss
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The Danfoss FC-301P30KT2131B8976 is part of the VLT FC 301 Automation Drives series and supports three phase power with a mains voltage range of 200 to 240 VAC. This drive has a power rating of 30 KW, delivers up to 40 horsepower, and offers a maximum input current of 104 amps. At 230 V, it has an apparent power of 45.8 kVA and features a shielded motor cable length up to 50 meters.
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Product Description:
The FC-301P30KT2131B8976 is an AC variable-frequency drive manufactured by Danfoss for the VLT FC 301 Automation Drives series. By modulating the output frequency and voltage supplied to a motor, the unit enables closed-loop speed control of standard induction motors used in conveyors, pumps, and HVAC fans. The drive responds to control commands and motor feedback by regulating speed during acceleration, steady operation, and deceleration. Its internal series identifier is 301, and the controller uses the software and parameter structure associated with this platform.
The drive delivers a continuous motor output of 30 kW, equivalent to 40 HP, from a three-phase mains supply of 200–240 VAC. Under rated conditions, the inverter supplies 115 A of output current while drawing up to 104 A from the line. Its thermal design dissipates 1,143 W of power loss through the heat sink and integrated fan. Input energy passes through a DC link that supports bus-voltage monitoring, power-up sequencing, and braking-chopper operation. Power-loss data can be used to determine enclosure ventilation requirements. The maximum shielded motor cable length is 50 m, while an unshielded motor cable can extend to 75 m and maintain the stated EMC performance.
For transient loading, the controller accepts an overload input current of up to 156 A and can provide an overload output current of 173 A for short periods. Apparent power requirements reach 41.4 kVA on a 208 V network and 45.8 kVA on a 230 V mains supply, so upstream breakers and conductors must be sized for the connected system. The DC link activates dynamic braking at 390 VDC. It issues a high-voltage warning at 405 VDC and triggers an overvoltage alarm at 410 VDC to protect the power electronics. These thresholds allow the controller to respond to rising bus voltage during motor deceleration or regenerative operation.
