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Used frequency controller in China

  • Trusted Seller
    ACS580-01-088A-4 | ABB Frequency inverter

    ACS580-01-088A-4 | ABB Frequency inverter

    • Manufacturer: ABB
    • Model: ACS

    ABB ACS580-01-088A-4 Frequency inverter Power supply coming from the top part of the module and motor connection out from the lower part of the cabinet, enabling more optimal cabinet design with reduced cabling w...

    Fujian, China
  • Trusted Seller
    ACS60401003...000C0700901 | ABB Variable Frequency

    ACS60401003...000C0700901 | ABB Variable Frequency Ac Drive

    • Manufacturer: ABB
    • Model: ACS

    ABB ACS60401003...000C0700901 Variable Frequency Ac Drive

    Fujian, China
  • Trusted Seller
    ABB ACS550-01-045A-4+B055 FREQUENCY CONVERTER

    ABB ACS550-01-045A-4+B055 FREQUENCY CONVERTER

    • Manufacturer: ABB
    • Model: ACS550

    FREQUENCY CONVERTER We are best ABB ACS550-01-045A-4+B055 FREQUENCY CONVERTER IN STOCK READY TO SHIP We supply best ABB ACS550-01-045A-4+B055 FREQUENCY CONVERTER BRAND/ MANUFACTURER: ABB MANUFACTURER PART NUMBER:...

    Fujian, China
  • Trusted Seller
    ABB ACH550-U0-125A-6+J400 Drive

    ABB ACH550-U0-125A-6+J400 Drive

    • Manufacturer: ABB
    • Model: ACH550

    HVAC drive We are best ABB ACH550-U0-125A-6+J400 IN STOCK READY TO SHIP We supply best ACH550-U0-125A-6+J400 wholesale price BRAND/ MANUFACTURER: ABB MANUFACTURER PART NUMBER: ACH550-U0-125A-6+J400 ADDITIONAL INF...

    Fujian, China
  • ABB ACS550-01-125A-4 Automation Parts

    ABB ACS550-01-125A-4 Automation Parts

    • Manufacturer: ABB
    • Model: ACS550

    This is ABB ACS550-01-125A-4 frequency converter 55KW inverter. INQUIRY EMAIL ABB ACS550-01-125A-4 Frequency Converter 55KW Inverter ACS550-01-290A-4 160KW RicoCNC supplys all...

    Suzhou, China

Overview

Variable-frequency drives (VFDs) are devices used to control the speed and torque of electric motors by varying the frequency and voltage of the power supplied. VFDs are commonly used in applications like HVAC systems, industrial machinery, and pumps where precise motor control improves efficiency and performance.

FAQ

What should I consider when buying a used variable-frequency drive?

Check the VFD's compatibility with your motor, its power rating, and any signs of wear or damage. Ensure it has been properly maintained and inquire about its operational history.

How do I ensure the VFD is shipped safely to my location?

Use a reputable transport service that specializes in electronic equipment. Ensure the VFD is securely packaged to prevent damage during transit and consider insuring the shipment.

What is the maintenance schedule for a variable-frequency drive?

Regularly inspect for dust and debris, check connections for tightness, and ensure proper ventilation. Follow the manufacturer's recommendations for periodic checks and servicing.