FC-301P15KT4134L2651 Danfoss
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The Danfoss FC-301P15KT4134L2651 is part of the VLT FC 301 Automation Drives series and features a power rating of 15 kilowatts with a horse power of 20 HP. It supports mains voltage from 380 to 480 VAC and operates with three phase power. The drive offers an analog output resolution of 12 bit and a system response time no greater than 2 milliseconds.
Internal Product Review
The FC-301P15KT4134L2651 is a Danfoss VLT FC 301 automation drive designed for 15 kW duty on 380 - 480 VAC mains. Fast control performance stands out with a 1 ms scan interval and a system response time of ≤2 ms. High efficiency from a displacement power factor of >0.98 makes the unit a strong choice for demanding drive applications.
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Product Description:
The FC-301P15KT4134L2651 is a variable frequency drive produced by Danfoss for the VLT FC 301 Automation Drives series. As an AC inverter, it converts fixed three-phase mains power into a regulated output that allows controllers to vary induction motor speed and torque. In automated conveyors, pumps, and material-handling stations, the drive supplies closed-loop motor control while occupying minimal panel space.
Designed for industrial supply networks, the drive accepts a three-phase input of 380–480 VAC, aligning with common 50/60 Hz plant power. Its continuous output capability is 15 kW, so it can start and regulate medium-sized centrifugal pumps or fan sets without external soft starters. Frequency commands are processed with a resolution of ±0.003 Hz, enabling precise shaft-speed adjustments even at low rpm. To protect the DC link, an overvoltage alarm triggers at 820 V DC. A high-voltage warning is issued at 810 V DC before the alarm threshold is reached. The displacement power factor remains above 0.98, and the true power factor stays at or above 0.9, minimizing reactive demand on the supply network.
Brake chopper circuitry becomes active at 778 V DC to dissipate regenerated energy before the overvoltage alarm is triggered. Digital outputs can source up to 40 mA, while digital inputs tolerate 28 V DC. The analog output provides 12-bit resolution for speed or torque monitoring. Control loops update every 1 ms, and the overall system response is no more than 2 ms, allowing the inverter to follow rapid setpoint changes from PLCs. Motor leads may be routed up to 50 m in shielded conduit without exceeding electromagnetic compatibility limits. An unshielded run of 75 m is also permitted when lower noise immunity is acceptable. A maximum phase imbalance of 3% protects the rectifier against uneven loading.
