FC-101P30KT4 Danfoss
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The Danfoss FC-101P30KT4 is part of the VLT FC 101 HVAC Basic Drives series and features a power rating of 30 kW with an output of 40 HP. It supports a three-phase mains voltage from 380 to 480 VAC, continuous input currents up to 57 A, and delivers up to 61 A output current. The drive offers 4 digital inputs, 2 analog inputs, 2 analog outputs, and 2 relay outputs, with an efficiency of 97.8%.
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Product Description:
The FC-101P30KT4 is a variable-frequency drive built by Danfoss for the VLT FC 101 HVAC Basic Drives series. This standalone power converter regulates the speed of three-phase induction motors that move air or water in commercial HVAC systems, allowing building controllers to match fan or pump output to real-time demand and reduce energy use. The unit connects to automation networks and cabinet breakers, acting as the central motor controller in an air-handling unit or chilled-water circuit.
The inverter delivers 30 kW of mechanical power, equivalent to 40 HP, so it can operate midsize blower wheels or circulation pumps. It accepts a three-phase supply ranging from 380 to 480 VAC and converts that input into a controlled output frequency of 0 to 400 Hz. In the lower half of the voltage range, the continuous motor current reaches 61 A, while the upper half supports up to 52 A. These current levels help determine suitable conductor sizes and overload protection for the connected motor circuit. A conversion efficiency of 97.8% limits additional heat generation and reduces ventilation demands inside the electrical panel.
Two analog inputs accept proportional control signals, while two analog outputs return operating data to the building control system. Four digital inputs and two relay outputs support start commands, fault indications, and damper interlocks. The drive maintains motor torque by providing an output voltage range from 0% to 100% of the supply voltage, and it accommodates a 50 or 60 Hz network frequency with a tolerance of ±5%. Continuous input current is 57 A on 380 to 440 V feeders and 49.2 A on 441 to 480 V feeders, allowing upstream protective devices to be sized for the applicable supply range. Motor conductors as large as 35 mm² (2 AWG) can be connected, and unshielded motor cable runs may extend to 50 m (164 ft) when shielded routing is not available.
Frequently Asked Questions about FC-101P30KT4:
Q: What is the continuous output current for the FC-101P30KT4 at 380–440 V?
A: The FC-101P30KT4 offers a continuous output current of 61 A when operated at 380–440 V.
Q: What is the maximum cable size supported by the FC-101P30KT4?
A: This drive supports a maximum cable size of 35 mm², which is also 2 AWG.
Q: What is the efficiency rating of the Danfoss FC-101P30KT4?
A: The FC-101P30KT4 has an energy efficiency rating of 97.8%.
Q: What is the highest output frequency the FC-101P30KT4 can achieve?
A: Maximum output frequency for the FC-101P30KT4 is 400 Hz.
Q: How many digital inputs are available on the FC-101P30KT4 drive?
A: This model provides 4 digital inputs, allowing for multiple control signal connections.
