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FC-280P15KT4E21H2BNCXXXSXXXXAX Danfoss

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The FC-280P15KT4E21H2BNCXXXSXXXXAX is a midi drive manufactured by Danfoss and is part of the VLT FC 280 Midi Drives series. It supports a power rating of 15 kW or 20 HP and is designed for three phase 380-480 VAC input. The drive includes a brake chopper, a coated PCB, an EMC Cat C3 RFI filter, and comes with a standard control card featuring Modbus.

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Product Description:

The FC-280P15KT4E21H2BNCXXXSXXXXAX is an AC variable frequency drive manufactured by Danfoss for the VLT FC 280 Midi Drives series. By rectifying incoming mains power and generating a controlled pulse-width modulation output, the drive regulates the speed of squirrel-cage motors used with pumps, compressors, and conveying equipment in industrial automation. Its integrated chassis fits compact control panels and supports decentralized placement in OEM machinery where real-time torque adjustment is required to accommodate varying load profiles. The drive can regulate motor acceleration and deceleration while maintaining the commanded operating speed under changing process conditions.

This model delivers a continuous motor output of 15 kW, which corresponds to a shaft capability of 20 HP. The input section accepts a three-phase 380–480 VAC supply, allowing direct connection to common industrial power systems without a step-down transformer. For conducted noise reduction, the built-in RFI network is rated for EMC Category C3 (200/400 V), providing electromagnetic interference control for suitable commercial and light-industrial installations. Dynamic braking energy from decelerating loads is routed through an internal brake chopper, which allows an external resistor to dissipate excess DC-link energy. This arrangement helps protect the power electronics during rapid stops or downward hoisting operations. The controlled output also allows the connected motor to operate across a variable speed range instead of running continuously at the fixed mains frequency.

The electronics include a coated printed circuit board that protects conductive traces against humidity and airborne contaminants found in processing plants. This protective coating reduces direct exposure of sensitive components to moisture and particulate matter inside the enclosure. Command and feedback traffic is handled by a standard control card with Modbus, enabling serial communication with compatible PLCs and SCADA systems. Modbus connectivity allows operating commands, status information, and diagnostic data to travel over a shared communication link. The control card also supports centralized monitoring of drive behavior without requiring a separate proprietary communication interface. These communication functions complement the drive’s local motor-control capabilities in automated equipment with coordinated process supervision.

Adaptation A
No Adaption
Adaptation B
No Adaption
Brake & Stop
Brake chopper
Coating
Coated PCB
Control Card
Standard w. Modbus
Horse Power
20 HP
Mains Option
No mains options
Power Rating
15 KW
Product Group
Midi Drive FC
RFI Filter
EMC Cat C3 (200/400V)
Series
280
Software Language Pack
Standard language pack
Special Version
Latest release
Voltage
Three phase 380-480 VAC

Frequently Asked Questions about FC-280P15KT4E21H2BNCXXXSXXXXAX:

Q: What braking features does the FC-280P15KT4E21H2BNCXXXSXXXXAX offer?

A: This model supports a brake chopper function, enabling dynamic braking capability for fast motor stops.

Q: What is the power rating of the Danfoss FC-280P15KT4E21H2BNCXXXSXXXXAX drive?

A: It is rated for 15 kW of power output, which is equivalent to 20 horsepower.

Q: What supply voltage does the FC-280P15KT4E21H2BNCXXXSXXXXAX require?

A: The FC-280P15KT4E21H2BNCXXXSXXXXAX is designed for connection to a three-phase supply with voltage between 380 and 480 VAC.

Q: What type of RFI filter is included with the FC-280P15KT4E21H2BNCXXXSXXXXAX?

A: This drive features an EMC Category C3 RFI filter for 200/400V environments, minimizing electromagnetic interference.

Q: What communication protocol is supported by the control card on this drive?

A: A standard control card with Modbus communication protocol is provided with this drive.


Internal Product Review

  • ‘‘The FC-280P15KT4E21H2BNCXXXSXXXXAX is a Danfoss VLT FC 280 midi drive rated at 15 kW for three-phase 380-480 VAC systems. Standard Modbus control and an integrated brake chopper make this unit a strong choice for dependable variable-speed drive performance.’’

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