Many buyers arrive looking for an AC drive rather than for a named series, because the machine in front of them has an AC motor and a speed problem, not a catalogue problem. On this site the AC drive conversation leads to the same listed family as the variable frequency drive page: the ES series names ES500, ES300, ES230, ES210, ES800 and ES530. This page is the entry, not a second family. It exists so that a buyer who thinks in motor terms can start here and land on the same listings, the same model pages and the same inquiry checks as a buyer who thinks in drive terms, without the site pretending the two routes describe two different ranges.
AC drives: the listed range
ES500 VFD
The ES500 general-purpose variable frequency drive listing.
ES230 VFD
The ES230 economy variable frequency drive listing.
ES210 VFD
The ES210 mini economy variable frequency drive listing.
ES300 VFD
The ES300 variable frequency drive listing.
AC drives listing table
| Item | As listed |
|---|---|
| Start here if | Your machine has an AC motor and a speed, torque or starting problem |
| Family behind this page | ES series variable frequency drives, as listed |
| Model pages | ES500, ES300, ES230 and ES210 detail pages on this site |
Choosing within AC drives
Protection behaviour matters as much as performance, so a serious discussion of AC drives covers what the machine should do on overload, on a supply disturbance and on a sensor fault, and who on site is expected to reset, record and report each event. In daily machine work, AC drives sits between the power supply and the motor, and its behaviour shapes everything downstream, from the smoothness of a start to the way a process responds when demand rises, falls or changes direction during a shift. Trial thinking helps even when a trial is impossible, because asking how AC drives would be proven on the buyer's own machine forces both sides to name acceptance criteria instead of trading general assurances about performance.
AC drives on site
Compare like with like when AC drives is on the table, because two quotations that look similar often differ in what they quietly exclude, such as cables, filters, spare boards, commissioning support or the cost of a second shipment. Allow time in the schedule for AC drives to be set up properly, with the load connected, the safety chain proven and the operator present, instead of compressing commissioning into the last hour before a production deadline. Spares and support for AC drives should be reviewed after the first season, when real fault patterns have replaced commissioning guesses, and the review should end with named items, named owners and a date for the next look.
Confirm before you order
For AC drives, a short inquiry that names the machine and the duty will always beat a long inquiry that names neither.
Please confirm the minimum order quantity and delivery time before ordering. Please confirm delivery time, packing and delivery terms before payment. Please send the motor details, the load details and the site conditions with your inquiry, so the reply can be checked against your machine rather than against a general description.
Explore related pages
Variable Frequency Drives
The ES series variable frequency drive family page.
What Is a Variable Frequency Drive?
The concept guide behind the VFD family pages.
How a VFD Works
How a variable frequency drive works, in plain language.