WEG CFW300 VFD AC Drives

31 products

Filter

  • Weg CFW300-CETH Ethernet Module

    View options

    WEG Weg CFW300-CETH Ethernet Module

    The Weg CFW300-CETH Ethernet module provides 100BASE-TX Ethernet in half or full-duplex mode and provides a built-in HTTP Web server for configuration and parameterization of the drive. Contains a two-port ethernet switch, and can operate as a ModBus TCP server. A Weg EDS file is freely available to download for network master configuration. Documentation Weg-CETH Ethernet User Manual Operation on Modbus TCP network using PLC300 Operation on Ethernet IP Network Using Rockwell Controllogix PLC Weg CETH EDS Configuration File

    Read more

    $169.12

    View options

  • Weg CFW300-CPDP

    View options

    WEG Weg CFW300-CPDP Profibus Module

    The Weg CFW300-CPDP module provides Profibus DP communications to the CFW300 VFD. The module has a standard DB-9 style connector. Profibus signal termination is selectable with DIP switches. A Weg EDS configuration is freely available to download. See our link in the Documentation section below. Documentation Weg-CPDP Profibus User Guide Weg-CPDP PRofibus EDS Configuration File

    Read more

    $177.58

    View options

  • Weg CFW300-CRS232

    View options

    WEG Weg CFW300-CRS232 RS-232 ModBus-RTU Module

    The Weg CFW300-CRS232 module provides standard RS-232 3-wire communications to the CFW300 VFD. Documentation Weg-CRS232 Installation Guide

    Read more

    $49.53

    View options

  • Weg CFW300-CRS485

    View options

    WEG Weg CFW300-CRS485 RS-485 Module

    Delivery within 48 hours, pay afterwards

    The Weg CFW300-CRS485 module provides standard RS-485 over-the-wire communications to the CFW300 VFD. The VFD can be commanded and monitored by means of the WPS software. RS-485 termination is dip-switch settable on the module. Documentation Weg-CRS485 Installation Guide

    Read more

    Delivery within 48 hours, pay afterwards

    $49.53

    View options

  • Weg CFW300-CUSB

    View options

    WEG Weg CFW300-CUSB USB Module

    The Weg CFW300-CUSB module provides USB V2.0 communications to the CFW300 VFD. Programming, parameter setting, and monitoring can be done using the supplied module and cable, connected to a computer running the free Weg WPS software. The module includes a USB cable with a mini-USB connector on the drive end, and a standard USB Type A connector on the computer end. Documentation Weg-CUSB Installation Guide

    Read more

    $52.55

    View options

  • Weg CFW300-IOADR

    View options

    WEG Weg CFW300-IOADR IO Infrared Module

    The Weg CFW300-IOADR module provides a wireless infrared remote control for the CFW300 VFD. The kit includes the IOADR module, the infrared remote control, and a 2-meter cable between the module and IR sensor. The Infrared Remote contains a total of 6 function keys. A remote with display is also available as model CFW300-IOADR-D. The function of the keys are listed below: IOADR Remote Control Functions Key Description Power Start/Stop motor Down Browse display up Up Browse display down Cycle Change view between P842 and P843 P Confirm/Program parameter on CFDW300 display Blue Programmable Function 1 White Programmable Function 2 Red Programmable Function 3 The IOADR module also contains 3 NO (Normally Open) Relay contacts good for up to 5 Amps. Documentation Weg-IOADR Installation Guide

    Read more

    $125.03

    View options

  • Weg CFW300-IOADR-D

    View options

    WEG Weg CFW300-IOADR-D IO IR Module

    The Weg CFW300-IOADR-D module provides a wireless infrared remote control and display for the CFW300 VFD. The kit includes the IOADR-D module, the infrared remote control with display, and a 2-meter cable between the module and IR sensor. Maximum distancebetween the sensor and the remote is 8 meters. The Infrared Remote and display contains a total of 10 keys. The function of the keys are listed below: IOADR Remote Control with Display Functions Key Description * Send a command to enable/disable the COOL and UVC funtions Func Send command to enable/disable special function. Mode Send command to change operating mode between AUTO and MAN Swing Send command to enable/disable the SWING function Timer Send command to enable timers 01 - 02 -03 Clean Send command to enable/disable the CLEAN function (cycle) Send command to enable/disable the DRY function Up Increments and sends percentage/temperature values Down Decrements and sends percentage/temperature values Power Sends ON/OFF commands. Press and Hold 5 seconds toggles temp. units from °F to °C. The IOADR module also contains 3 NO (Normally Open) Relay contacts good for up to 5 Amps. Documentation Weg-IOADR-D Installation Guide

    Read more

    $147.98

    View options

  • Weg CFW300-IOENC

    View options

    WEG Weg CFW300-IOAENC IO Encoder Module

    The Weg CFW300-IOAENC module provides an encoder input with A,B Quadrature signals at max frequency of 400 kHz. The module also provides 1 Analog voltage input, 1 analog current input, 2 analog outputs, +10VDC reference, and +5VDC for powering an encoder. Documentation Weg-IOENC Installation Guide

    Read more

    $86.37

    View options

  • Weg CFW300-IOAR

    View options

    WEG Weg CFW300-IOAR IO Expansion Module

    The Weg CFW300-IOAR module is an I/O Expansion module consisting of 1 Analog Input, 1 Analog Output, 3 Digital Relay outputs rated up to 5 Amps each, and +10VDC power. The module IO expansion is in addition to the built-in CFW300 I/O which includes 4 Digital Inputs, 1 Analog In, 1 Analog Out, and 1 Relay out. Documentation Weg-IOAR Installation Guide

    Read more

    $85.16

    View options

  • Weg CFW300-IODF

    View options

    WEG Weg CFW300-IODF IO Digital Frequency Module

    Delivery within 48 hours, pay afterwards

    The Weg CFW300-IODF provides digital frequency inputs and outputs for the CFW300 series VFDs. The module consists of 3 NPN transistor inputs, and 3 optocoupled open-collector transistor outputs. The frequency range is from 10 to 3000 Hz. The frequency inputs and output values are only accessible by means of a SoftPLC application running on the CFW300 VFD. Documentation Weg-IODF Installation Guide

    Read more

    Delivery within 48 hours, pay afterwards

    $69.46

    View options

  • Weg CFW300-IODR

    View options

    WEG Weg CFW300-IODR IO Expansion Module

    The Weg CFW300-IODR module is a Digital I/O Expansion module consisting of 4 Digital Inputs and 3 output relay contacts rated up to 5 Amps each. is a remote keypad kit for the CFW300 series VFD. The module IO expansion is in addition to the built-in CFW300 I/O which includes 4 Digital Inputs, 1 Analog In, 1 Analog Out, and 1 Relay out. Documentation Weg-IODR Installation Guide

    Read more

    $65.23

    View options

  • Weg CFW300-KFA

    View options

    WEG Weg CFW300-KFA-S1-S2 RFI Single-Phase Frame Size A Kit

    The Weg CFW300-KFA provides RFI filtering for the single-phase versions of the CFW300 in frame size A. Reduces electromagnetic interference. Documentation Weg-KFA Installation Guide

    Read more

    $54.36

    View options

  • Weg CFW300-KFB

    View options

    WEG Weg CFW300-KFB-S2 RFI Single-Phase Frame Size B Kit

    The Weg CFW300-KFB provides RFI filtering for the single-phase versions of the CFW300 in frame size B. Reduces electromagnetic interference. Documentation Weg-KFB Installation Guide

    Read more

    $63.42

    View options

  • Weg CFW300-KHMIR Remote Keypad option

    View options

    WEG Weg CFW300-KHMIR Remote Keypad Kit

      The Weg CFW300-KHMIR is a remote keypad kit for the CFW300 series VFD. The kit contains the CFW300-CRS485 module, remote HMI keypad/display, and a 3-meter USB cable. Documentation Weg-KHMIR Installation Guide

    Read more

    $154.62

    View options

  • Weg CFW300 VFD Frame Size A

    View options

    WEG Weg CFW300A01P6S1NB20 VFD 1.6A 0.33HP 120 VAC Single-Phase Input

    The Weg CFW300 series AC Drive for 3-phase induction motors is a compact, cost-effective VFD for a variety of applications. The drive features a compact IEC DIN-Rail mountable frame with contactor-style connections (top in / bottom out). The CFW300 product range includes single-phase 120 or 230 VAC input up to 3 HP, as well as 3-phase 240VAC input up to 5 HP. Features DIN-Rail Form Factor Easily replace contactor/overlaod setup with VFD. Built-In Motor Protection Protects motor from overload/overcurrent, overvoltage, phase-loss, and more SoftPLC Flexible customization with programmable ladder logic and free WPS software. Built-In PID Controller PID mode provides closed loop process control from pressure, flow, or other input. 2-Slots for Options Large variety of communications and I/O Option Modules available Conformal-Coated Circuit Boards Extends life of boards in corrosive environments, Class 3C2 / IEC 60721-3-3. Caldwell Electric can setup VFD parameters and develop custom PLC programs to fit your needs for a nominal fee. Documentation CFW300 Users Manual CFW300 Brochure CFW300 Programming Manual CFW300 Quick Installation Guide CFW300 Quick Parameter Reference

    Read more

    $218.04

    View options

  • Weg CFW300 VFD Frame Size A

    View options

    WEG Weg CFW300A01P6S2NB20 VFD 1.6A 0.33HP 230 VAC Single-Phase Input

    The Weg CFW300 series AC Drive for 3-phase induction motors is a compact, cost-effective VFD for a variety of applications. The drive features a compact IEC DIN-Rail mountable frame with contactor-style connections (top in / bottom out). The CFW300 product range includes single-phase 120 or 230 VAC input up to 3 HP, as well as 3-phase 240VAC input up to 5 HP. Features DIN-Rail Form Factor Easily replace contactor/overlaod setup with VFD. Built-In Motor Protection Protects motor from overload/overcurrent, overvoltage, phase-loss, and more SoftPLC Flexible customization with programmable ladder logic and free WPS software. Built-In PID Controller PID mode provides closed loop process control from pressure, flow, or other input. 2-Slots for Options Large variety of communications and I/O Option Modules available Conformal-Coated Circuit Boards Extends life of boards in corrosive environments, Class 3C2 / IEC 60721-3-3. Caldwell Electric can setup VFD parameters and develop custom PLC programs to fit your needs for a nominal fee. Documentation CFW300 Users Manual CFW300 Brochure CFW300 Programming Manual CFW300 Quick Installation Guide CFW300 Quick Parameter Reference

    Read more

    $195.09

    View options

  • Weg CFW300 VFD Frame Size A

    View options

    WEG Weg CFW300A01P6T2NB20 VFD 1.6A 0.33HP 230 VAC Three-Phase Input

    The Weg CFW300 series AC Drive for 3-phase induction motors is a compact, cost-effective VFD for a variety of applications. The drive features a compact IEC DIN-Rail mountable frame with contactor-style connections (top in / bottom out). The CFW300 product range includes single-phase 120 or 230 VAC input up to 3 HP, as well as 3-phase 240VAC input up to 5 HP. Features DIN-Rail Form Factor Easily replace contactor/overlaod setup with VFD. Built-In Motor Protection Protects motor from overload/overcurrent, overvoltage, phase-loss, and more SoftPLC Flexible customization with programmable ladder logic and free WPS software. Built-In PID Controller PID mode provides closed loop process control from pressure, flow, or other input. 2-Slots for Options Large variety of communications and I/O Option Modules available Conformal-Coated Circuit Boards Extends life of boards in corrosive environments, Class 3C2 / IEC 60721-3-3. Caldwell Electric can setup VFD parameters and develop custom PLC programs to fit your needs for a nominal fee. Documentation CFW300 Users Manual CFW300 Brochure CFW300 Programming Manual CFW300 Quick Installation Guide CFW300 Quick Parameter Reference

    Read more

    $207.17

    View options

  • Weg CFW300 VFD Frame Size A

    View options

    WEG Weg CFW300A02P6S1NB20 VFD 2.6A 0.75HP 120 VAC Single-Phase Input

    The Weg CFW300 series AC Drive for 3-phase induction motors is a compact, cost-effective VFD for a variety of applications. The drive features a compact IEC DIN-Rail mountable frame with contactor-style connections (top in / bottom out). The CFW300 product range includes single-phase 120 or 230 VAC input up to 3 HP, as well as 3-phase 240VAC input up to 5 HP. Features DIN-Rail Form Factor Easily replace contactor/overlaod setup with VFD. Built-In Motor Protection Protects motor from overload/overcurrent, overvoltage, phase-loss, and more SoftPLC Flexible customization with programmable ladder logic and free WPS software. Built-In PID Controller PID mode provides closed loop process control from pressure, flow, or other input. 2-Slots for Options Large variety of communications and I/O Option Modules available Conformal-Coated Circuit Boards Extends life of boards in corrosive environments, Class 3C2 / IEC 60721-3-3. Caldwell Electric can setup VFD parameters and develop custom PLC programs to fit your needs for a nominal fee. Documentation CFW300 Users Manual CFW300 Brochure CFW300 Programming Manual CFW300 Quick Installation Guide CFW300 Quick Parameter Reference

    Read more

    $237.98

    View options

  • Weg CFW300 VFD Frame Size A

    View options

    WEG Weg CFW300A02P6S2NB20 VFD 2.6A 0.75HP 230 VAC Single-Phase Input

    The Weg CFW300 series AC Drive for 3-phase induction motors is a compact, cost-effective VFD for a variety of applications. The drive features a compact IEC DIN-Rail mountable frame with contactor-style connections (top in / bottom out). The CFW300 product range includes single-phase 120 or 230 VAC input up to 3 HP, as well as 3-phase 240VAC input up to 5 HP. Features DIN-Rail Form Factor Easily replace contactor/overlaod setup with VFD. Built-In Motor Protection Protects motor from overload/overcurrent, overvoltage, phase-loss, and more SoftPLC Flexible customization with programmable ladder logic and free WPS software. Built-In PID Controller PID mode provides closed loop process control from pressure, flow, or other input. 2-Slots for Options Large variety of communications and I/O Option Modules available Conformal-Coated Circuit Boards Extends life of boards in corrosive environments, Class 3C2 / IEC 60721-3-3. Caldwell Electric can setup VFD parameters and develop custom PLC programs to fit your needs for a nominal fee. Documentation CFW300 Users Manual CFW300 Brochure CFW300 Programming Manual CFW300 Quick Installation Guide CFW300 Quick Parameter Reference

    Read more

    $210.19

    View options

  • Weg CFW300 VFD Frame Size A

    View options

    WEG Weg CFW300A02P6T2NB20 VFD 2.6A 0.75HP 230 VAC Three-Phase Input

    The Weg CFW300 series AC Drive for 3-phase induction motors is a compact, cost-effective VFD for a variety of applications. The drive features a compact IEC DIN-Rail mountable frame with contactor-style connections (top in / bottom out). The CFW300 product range includes single-phase 120 or 230 VAC input up to 3 HP, as well as 3-phase 240VAC input up to 5 HP. Features DIN-Rail Form Factor Easily replace contactor/overlaod setup with VFD. Built-In Motor Protection Protects motor from overload/overcurrent, overvoltage, phase-loss, and more SoftPLC Flexible customization with programmable ladder logic and free WPS software. Built-In PID Controller PID mode provides closed loop process control from pressure, flow, or other input. 2-Slots for Options Large variety of communications and I/O Option Modules available Conformal-Coated Circuit Boards Extends life of boards in corrosive environments, Class 3C2 / IEC 60721-3-3. Caldwell Electric can setup VFD parameters and develop custom PLC programs to fit your needs for a nominal fee. Documentation CFW300 Users Manual CFW300 Brochure CFW300 Programming Manual CFW300 Quick Installation Guide CFW300 Quick Parameter Reference

    Read more

    $227.10

    View options

  • Weg CFW300 VFD Frame Size A

    View options

    WEG Weg CFW300A04P2S1NB20 VFD 4.2A 1HP 120 VAC Single-Phase Input

      **This model has been superceded by the CFW320A04P2S1NB20.  Please click that link to purchase as this model is no longer available.** The Weg CFW300 series AC Drive for 3-phase induction motors is a compact, cost-effective VFD for a variety of applications. The drive features a compact IEC DIN-Rail mountable frame with contactor-style connections (top in / bottom out). The CFW300 product range includes single-phase 120 or 230 VAC input up to 3 HP, as well as 3-phase 240VAC input up to 5 HP. Features DIN-Rail Form FactorEasily replace contactor/overlaod setup with VFD. Built-In Motor ProtectionProtects motor from overload/overcurrent, overvoltage, phase-loss, and more SoftPLCFlexible customization with programmable ladder logic and free WPS software. Built-In PID ControllerPID mode provides closed loop process control from pressure, flow, or other input. 2-Slots for OptionsLarge variety of communications and I/O Option Modules available Conformal-Coated Circuit BoardsExtends life of boards in corrosive environments, Class 3C2 / IEC 60721-3-3. Caldwell Electric can setup VFD parameters and develop custom PLC programs to fit your needs for a nominal fee. Documentation CFW300 Users Manual CFW300 Brochure CFW300 Programming Manual CFW300 Quick Installation Guide CFW300 Quick Parameter Reference

    Read more

    $253.68

    View options

  • Weg CFW300 VFD Frame Size A

    View options

    WEG Weg CFW300A04P2S2NB20 VFD 4.2A 1HP 230 VAC Single-Phase Input

    The Weg CFW300 series AC Drive for 3-phase induction motors is a compact, cost-effective VFD for a variety of applications. The drive features a compact IEC DIN-Rail mountable frame with contactor-style connections (top in / bottom out). The CFW300 product range includes single-phase 120 or 230 VAC input up to 3 HP, as well as 3-phase 240VAC input up to 5 HP. Features DIN-Rail Form Factor Easily replace contactor/overlaod setup with VFD. Built-In Motor Protection Protects motor from overload/overcurrent, overvoltage, phase-loss, and more SoftPLC Flexible customization with programmable ladder logic and free WPS software. Built-In PID Controller PID mode provides closed loop process control from pressure, flow, or other input. 2-Slots for Options Large variety of communications and I/O Option Modules available Conformal-Coated Circuit Boards Extends life of boards in corrosive environments, Class 3C2 / IEC 60721-3-3. Caldwell Electric can setup VFD parameters and develop custom PLC programs to fit your needs for a nominal fee. Documentation CFW300 Users Manual CFW300 Brochure CFW300 Programming Manual CFW300 Quick Installation Guide CFW300 Quick Parameter Reference

    Read more

    $224.08

    View options

  • Weg CFW300 VFD Frame Size A

    View options

    WEG Weg CFW300A04P2T2NB20 VFD 4.2A 1HP 230 VAC Three-Phase Input

    The Weg CFW300 series AC Drive for 3-phase induction motors is a compact, cost-effective VFD for a variety of applications. The drive features a compact IEC DIN-Rail mountable frame with contactor-style connections (top in / bottom out). The CFW300 product range includes single-phase 120 or 230 VAC input up to 3 HP, as well as 3-phase 240VAC input up to 5 HP. Features DIN-Rail Form Factor Easily replace contactor/overlaod setup with VFD. Built-In Motor Protection Protects motor from overload/overcurrent, overvoltage, phase-loss, and more SoftPLC Flexible customization with programmable ladder logic and free WPS software. Built-In PID Controller PID mode provides closed loop process control from pressure, flow, or other input. 2-Slots for Options Large variety of communications and I/O Option Modules available Conformal-Coated Circuit Boards Extends life of boards in corrosive environments, Class 3C2 / IEC 60721-3-3. Caldwell Electric can setup VFD parameters and develop custom PLC programs to fit your needs for a nominal fee. Documentation CFW300 Users Manual CFW300 Brochure CFW300 Programming Manual CFW300 Quick Installation Guide CFW300 Quick Parameter Reference

    Read more

    $241.00

    View options

  • Weg CFW300 VFD Frame Size A

    View options

    WEG Weg CFW300A06P0S1NB20 VFD 6.0A 2HP 120 VAC Single-Phase Input

    The Weg CFW300 series AC Drive for 3-phase induction motors is a compact, cost-effective VFD for a variety of applications. The drive features a compact IEC DIN-Rail mountable frame with contactor-style connections (top in / bottom out). The CFW300 product range includes single-phase 120 or 230 VAC input up to 3 HP, as well as 3-phase 240VAC input up to 5 HP. Features DIN-Rail Form Factor Easily replace contactor/overlaod setup with VFD. Built-In Motor Protection Protects motor from overload/overcurrent, overvoltage, phase-loss, and more SoftPLC Flexible customization with programmable ladder logic and free WPS software. Built-In PID Controller PID mode provides closed loop process control from pressure, flow, or other input. 2-Slots for Options Large variety of communications and I/O Option Modules available Conformal-Coated Circuit Boards Extends life of boards in corrosive environments, Class 3C2 / IEC 60721-3-3. Caldwell Electric can setup VFD parameters and develop custom PLC programs to fit your needs for a nominal fee. Documentation CFW300 Users Manual CFW300 Brochure CFW300 Programming Manual CFW300 Quick Installation Guide CFW300 Quick Parameter Reference

    Read more

    $306.23

    View options

You have seen 24 out of 31 products

Show more products

The WEG CFW300 VFD is a DIN-rail mountable drive with contactor-style connections (power in on top, power out on bottom), making it ideal for light-weight applications mounted inside an electrical panel.  Available in single-phase 120V or 240V or 3-phase 240VAC input.

Features

  • Din Rail or screw surface mount
  • 120-127 VAC or 200 to 240VAC input
  • Output Power up to 15.2 Amps (5 HP)
  • 0 to 400 Hz output
  • IP20 enclosure 
  • Many options for input/output and bus communications
  • Local Keypad (does not include Fwd/Rev button)

 

© 2026 Caldwell Electric, Powered by Shopify

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • Shop Pay
  • Visa

Login

Forgot your password?

Don't have an account yet?
Create account