CFW501A04P3T4NB20C3

Our WEG CFW501 series is a variable frequency drive designed specifically for heating, ventilation, air conditioning and refrigeration applications.

Packed with the features and functions modern HVAC systems demand, this is the solution you need!

CFW501 Features

• CFW501 Ratings: ⅓-7½ HP @ 230 Vac; ½-25 HP @ 480 Vac.

• Conformal Coated Circuit Boards - provides protection against dust, humidity, high temperature and chemicals

• Pelnum Rated with NEMA1 Kit - Meets UL94 Requirements

• IP20 enclosure with NEMA 1 conversion kits available

• Harmonics - Meets IEC 61000-3-12 requirements–

• No line reactor required
• No restrictions for installation
• No minimum line impedance required

• Communications - BACnet MS/TP | Metasys N2 | ModbusRTU native to the drive

• Heat sink and internal temperature monitoring provides protection for critical components such as IGBTs and circuit boards

• Fan operation is controlled based on the temperature of power modules–

• Reduces energy consumption when drive is not supplying power to the motor

Features Include:

• Built-in RFI Filter
• It reduces high-frequency electromagnetic interference signals
• Low harmonic distortion
• It complies with standard IEC61000-3-12
• SoftPLC
• It adds the functionalities of a PLC
• Two control loops with PID
• Cost reduction and greater reliability, eliminating external controls for fan coils.
• Communications protocols on the interface RS485
• BACnet MS/TP, Metasys N2 and Modbus-RTU
• Conformal coating in all versions

Technical Information:

• Weg CFW501A04P3T4NB20C3 Datasheet
• Weg CFW501 HVAC Variable Speed Drive Flyer
• Weg CFW501 HVAC Variable Speed Drive User's Manual
• Weg CFW501 HVAC Variable Speed Drive Programming Manual
• Weg CFW501 HVAC Quick Parameter Reference
• Weg HVAC-R Drive Products Brochure
• Weg HVAC-R Solution Brochure
• WEG LV Variable Frequency Drives and Soft Starters Product Catalog

Options Technical Information:

• WEG CFW501 Modbus RTU User's Manual
• WEG CFW501 N2 User's Manual
• WEG Errata of the CFW501 User's Manual
• WEG CFW50X KN1A-01, KN1B-01, KN1C-01 Installation, Configuration and Operation Guide
• WEG CFW50X KN1F-01 Installation, Configuration and Operation Guide

Application Notes and White Papers:

• WEG Industrial Refrigeration Motor Control Solutions White Paper
• WEG "Solutions for Harmonic Mitigation in Inverter Applications" White Paper
• Weg "Choosing a Variable Frequency Drive or Soft Starter Based on Your Application Need" Whitepaper
• Weg System Automation Solutions

Want to learn more?

• Weg Variable Frequency Drives
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• VFD Temperature Guide
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• A Simple Explanation: The Difference Between a Soft Starter and a Variable Frequency Drive
• What does VFD really mean?
• I know I need a VFD, but which manufacturer is best?