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Used controller in China

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    ABB ACS880-01-017A-3 AC Inverter Drive

    • Manufacturer: ABB
    • Model: ACS

    high QUALITY ,with 12 months gaurantee ABB ACS880-04 series AC Inverter for 355kW (475HP) 400V 3 ph motor to 625A at high overload or 450kW (600HP) to 810A when Fan/Pump rated. Designed to be installaed into a ca...

    Xiamen, China
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    ABB ACS880-04-470A-7 AC Inverter Drive

    • Manufacturer: ABB
    • Model: ACS

    high QUALITY ,with 12 months gaurantee ABB ACS880-04-470A-7 630KW AC Inverter Drive ABB ACS880-04 series AC Inverter for 355kW (475HP) 400V 3 ph motor to 625A at high overload or 450kW (600HP) to 810A when Fan/Pu...

    Xiamen, China
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    ROCKWEL AB 1336F-B025-AA-EN

    • Manufacturer: Allen-Bradley
    • Model: 1336

    we have many in stock,even discontinued ones our warranty is one year If there is not enough capacitive loadat start, the DC voltage will overshootthe controller voltage limit, causingimmediate start of braking. ...

    Xiamen, China
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    ROCKWEL AB 1336F-BRF50-AA-EN

    • Manufacturer: Allen-Bradley
    • Model: 1336

    we have many in stock,even discontinued ones our warranty is one year If there is not enough capacitive loadat start, the DC voltage will overshootthe controller voltage limit, causingimmediate start of braking. ...

    Xiamen, China
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    ABB D2D160-CE02-11 Spare Centrifugal Cooling Fan for ACS800 1 YEAR WARRANTY

    • Manufacturer: ABB
    • Model: ACS800

    all in stock,all have guarantee for 12 months Service Technical specification, manuals and data sheets: Available on request. Benefits: 1. lower your support costs 2. Provide on-going availability of automation r...

    Xiamen, China
23456

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.