Interesting high voltage steppers (3 ph)
http://www.pcbequipment.com/images/machines/website/23330/Datasheet%20Berger%20Lahr%20-%20VRDM%20391050%20LWB.pdf
325 V 4 A 4Nm
IIRC they roll off at about 15 KHz
Weight ~3.1 Kg 85 mm x 85 mm x 142 mm
Since hal has three phase these ought to be usable motors.
I took the back off one ... years ago.
Beautifully built German craftsmanship.
I bought these off ebay years ago; represented as servo motors ... which
they are not.
I just pulled the cover and there are no connections for brake or
encoder and no easy
way to drive from the shaft; so just stepper motors.
Current ebay prices for the motors are considerably more that I paid.
Will consider reasonably offers. I have three of them.
Dave
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