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Overview
- 4.0 kW (5.0 HP) power rating for three-phase 380-480 VAC systems
- Built-in brake chopper for safe deceleration of high-inertia loads
- IP21/Type 1 enclosure with EMC Category C3 compliance
- Numerical local control panel for on-site programming and diagnostics
- Standard Modbus RTU communication for PLC/SCADA integration
Specifications
AC Line Voltage | 3 x 380/480V AC |
Braking | Brake IGBT |
Continuous Amps | 8.2 |
Enclosure | IP21/Type 1 |
Enclosure | IP-21 NEMA 1 |
Enclosure Code | E21H2BN |
Frame Size | K2 |
Hardware option A | Standard cable entries |
Horsepower | 5 HP |
Integrated fieldbus | Modbus RTU |
LCP Display | Numerical LCP |
Power Code | P4K0 |
Power size | 4.0 kW / 5.5 HP |
Product Line | VLT® Midi Drive FC 280 |
Product Line | Compact Drive 460V 3 Phase |
RFI filter | RFI-Filter, Class A2 (C3) |
Series | FC280 |
Type Code | FC-280P4K0T4E21H2BNCXXXSXXXXAX |
Voltage | 460V 3 Phase |
Package Dimensions (L x W x H) | 183 mm x 115 mm x 395 mm |
Package Weight (Imperial) | 5.33 kgs |

FENA-21
The FENA 21 DualPort module supports Three protocols Modbus-TCP, EtherNet/IP, and the PROFInet IO RT network. The Modbus-TCP protocol is simply the Modbus protocol used on top of Ethernet-TCP/IP. Modbus-TCP is an open Industrial Ethernet network which has been specified by the Modbus-IDA User Organization. EtherNet/IP is based on the Common Industrial Protocol (CIP), which is also the framework for both the ControlNet and DeviceNet network protocols. PROFInet IO RT is an open network based on the PI Organization standard.Frequently Asked Questions
What is the operating voltage range for the drive?
The VLT® Midi Drive operates at 200-240 V and 380-480 V with a tolerance of -15%/+10%.
What is the maximum ambient temperature for operation?
The drive can operate at a maximum ambient temperature of 45 °C at full load and 55 °C with derating.
Is the VLT® Midi Drive compatible with older models?
Yes, it is designed to be compatible with the VLT® 2800 for easy retrofit.
What fieldbus protocols are supported?
The drive supports multiple fieldbus protocols including PROFINET, EtherNet/IP™, and Modbus RTU.
How is the VLT® Midi Drive installed?
The drive features a compact design for easy installation, allowing side-by-side or horizontal mounting with zero clearance.
What safety features does the drive include?
The drive includes dual-channel Safe Torque Off (STO) for functional safety, eliminating the need for external components.
What is the efficiency rating of the drive?
The VLT® Midi Drive has an efficiency rating of up to 97.6% depending on the model.
What are the maintenance requirements for the drive?
The VLT® Midi Drive is designed for low maintenance, relying on its robust construction for long-term reliability.
What troubleshooting options are available?
The integrated USB port allows for easy PC connection for troubleshooting and commissioning.
What is the weight of the VLT® Midi Drive?
The weight varies by model, ranging from 2.3 kg to 12.5 kg depending on the power size.
How to Install the VLT® Midi Drive FC 280
This guide provides step-by-step instructions for installing and configuring the VLT® Midi Drive FC 280, ensuring proper setup and safety.
Estimated time: 45m
Tools needed:
Screwdriver, Torque wrench, Wire strippers, Multimeter
Supplies needed:
Mounting screws, Terminal connectors, Ground wire
- Verify shipment and contents
Check that the items supplied match the order confirmation and verify the power rating and specifications on the nameplate.
- Mount the drive
Securely mount the drive vertically to a solid flat surface or optional backplate using the slotted mounting holes. Ensure a clearance of 100 mm (3.9 in) above and below for cooling.
- Connect wiring
Install the mains, motor, and control wiring according to the wiring schematic. Ensure all connections are tight and comply with local regulations. Use a torque wrench to apply the correct tightening torques.
- Ground the drive
Connect a dedicated ground wire to the drive, ensuring it complies with local safety regulations. The minimum cross-section for the ground wire should be 10 mm² (7 AWG).
- Perform initial setup
Consult the VLT® Midi Drive FC 280 Programming Guide to perform the initial drive and motor setup, ensuring all parameters are configured correctly.
- Calibrate the drive
Follow the calibration procedures outlined in the programming guide to ensure the drive operates within specified parameters.
Frequently Asked Questions about Danfoss
What certifications and standards do Danfoss products comply with?
Danfoss products meet an extensive range of international certifications and standards, including EU directives (CE mark), mechanical standards, functional safety standards, and regional certifications. Key certifications include CE marking covering Low Voltage, EMC, Machinery, ErP, ATEX, and RoHS directives; mechanical standards like EN 60529 and UL 50; functional safety standards such as EN 61800-5-2 and IEC 61508; and regional certifications including cULus (North America), UKCA (UK), EAC (Russia), and C-Tick (Australia & New Zealand).
What certifications and standards do Danfoss products comply with?
Danfoss products meet an extensive range of international certifications and standards, including EU directives (CE mark), mechanical standards, functional safety standards, and regional certifications. Key certifications include CE marking covering Low Voltage, EMC, Machinery, ErP, ATEX, and RoHS directives; mechanical standards like EN 60529 and UL 50; functional safety standards such as EN 61800-5-2 and IEC 61508; and regional certifications including cULus (North America), UKCA (UK), EAC (Russia), and C-Tick (Australia & New Zealand).
What communication protocols do Danfoss products support?
Danfoss products support a comprehensive range of communication protocols including PROFIBUS DP V1, PROFINET with dual port, EtherNet/IP with dual port, CANopen, DeviceNet, and Modbus RTU (integrated as standard). Additional protocols supported include Modbus TCP, BACnet (MS/TP and IP), EtherCAT, PowerLink, LonWorks, AS interface, and Siemens FLN P1. The specific protocols available vary by product line, with VLT®, VACON®, iC7, and iC2 drives offering extensive fieldbus independence to integrate seamlessly into various automation systems.
What certifications and standards do Danfoss products comply with?
Danfoss products comply with a comprehensive range of certifications and standards including EU directives (CE mark covering Low Voltage, EMC, Machinery, ErP, ATEX, RoHS, and Radio Equipment directives), mechanical standards (EN 60529 IP code, UL 50), functional safety standards (EN 61800-5-2, EN ISO 13849-1, EN 62061, IEC 61508), and ecodesign standards (IEC 61800-9-2). Regional certifications include cULus (North America), UKCA (United Kingdom), EAC (Russia), C-Tick (Australia & New Zealand), TÜV (European safety), and compliance with REACH directive for chemical restrictions.
What industries and applications are Danfoss products used for?
Danfoss products are used across several key industries including HVAC, Food and Beverage, Packaging, Water and Wastewater, Refrigeration, and Marine applications. Their drives and automation solutions serve a wide range of applications such as pumps, fans, compressors, conveyors, process and material treatment equipment, mills, drums, kilns, winding/unwinding systems, drilling equipment, propulsion systems, winches, and power conversion for generation and smart grids. Danfoss has particular expertise in marine applications with over 40 years of experience, providing solutions for ship owner-operators, shipyards, system integrators, and OEMs.
What are the key features of Danfoss products?
Key features of Danfoss products include integrated design elements (harmonics, EMC design, DC choke, and EMC filter) that save installation time and panel space while improving reliability. Installation and setup features include removable terminals, USB ports for easy PC connection, application setup wizards, and optional memory modules for convenient parameter transfer. Safety and control features encompass integrated Safe Torque Off (STO) dual channel functionality, control algorithms that run both induction and PM motors, and integrated brake choppers for drives up to 22 kW. Additional operational benefits include side-by-side mounting without derating, operation up to 45°C without derating, and robust construction designed for maximum uptime and efficiency across various industrial applications.
What environmental ratings do Danfoss products have?
Danfoss products offer various environmental protection ratings to meet different application requirements. Their VLT drive series are available in IP00 (Chassis), IP20 (Protected chassis), IP21 (NEMA Type 1), IP54 (NEMA Type 12), IP55, and IP66 (NEMA 4X) ratings. These ratings provide protection ranging from basic chassis protection to dust-tight and water-resistant enclosures suitable for both indoor and outdoor applications, with NEMA 4X/IP66 offering the highest level of protection against windblown dust, rain, splashing water, and external ice formation.
What accessories are available for Danfoss products?
Danfoss offers an extensive range of accessories for their VLT® drive products, organized into several categories: Fieldbus options (including PROFIBUS, DeviceNet, CANopen, PROFINET, Ethernet/IP, and Modbus TCP communication cards), I/O and feedback options (such as general purpose I/O, encoder input, relay cards, and sensor input modules), safety options (including Safe PLC I/O and PTC thermistor cards), motion control options (position controllers and synchronizing controllers), power options (brake resistors and various filters), and other accessories like mounting kits, USB cables, and IP rating conversion kits. These accessories are designed to be installed in specific option slots (A, B, C, and D) on the drives to add extra features and tailor the drive to specific application needs.
What are the main product lines offered by Danfoss?
Danfoss offers several main product lines including: Danfoss Drives (featuring VLT® and VACON® variable frequency drives, plus iC7 and iC2-Micro series), Industrial Automation solutions (sensors, switches, and fluid controls), Danfoss Semco firefighting systems, Sondex® Heat Exchangers, Hydronic Balancing and Control valves, Power Solutions (hydraulic components and PLUS+1® controllers), High Pressure Pumps for seawater applications, Industrial Refrigeration components, and Danfoss IXA emission gas measurement sensors. These product lines serve diverse industries including marine, HVAC, food and beverage, water treatment, and heavy industrial applications.
What is Danfoss's warranty policy?
Danfoss offers standard factory warranty coverage for drives that covers product failures due to defects in materials or workmanship. For new drives, they provide 2-6 year DrivePro Extended Warranty options with factory repair (including parts, labor, and return shipping) and onsite service (covering parts, labor, and travel costs up to $1,000 per incident). They also offer DrivePro-tection warranty that extends coverage to line and load anomalies, accidental moisture exposure, physical damage, and normal wear, though it excludes vandalism, misapplication, and natural disasters. However, the complete warranty terms and conditions are available on their website at www.danfossdrives.com.















