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You're absolutely right. The functions you list are set and controlled from yet another box of tricks which is under the left side of the table. This is disconnected at the moment and I'm not to worried if it didn't work as a result of fitting an inverter. These functions are far more...

These motors have been obsolete for a long time. There are a couple on eBay.com for silly money and in the USA. I've checked the existing motor out on a 3-phase supply so know the motor works well. It therefore makes more sense (to me anyway) to find a way of operating the machine with the...

That was my interpretation of the info on the sheet but my motor is a VD552 with the 'D' indicating 3-phase and the '2' indicating 2-pole. There's no chance of me finding a single-phase like for like replacement (a VE552).

How do I determine this? The machine speed must me controlled by the existing foot pedal which is connected to the lever on the end of the rectangular box under the motor (see photo – nb. the connecting rod is missing). No, I want to retain the existing speed control box and control the...

If an inverter is the preferred route then how do I choose from the bewildering choice (to me anyway) available? For example, this is available from RS https://uk.rs-online.com/web/p/inverter-drives/1223411 ; this one is roughly half the price off eBay...

This is the data plate..

I'm buying an industrial sewing machine fitted with an Efka 3-phase motor. Here is a photo of the data plate so you can see what I've got... And this is the motor as fitted to the machine... Can someone please advise which is the best way to go. The main criteria I have are (i) low speed...