Motor Wiring Question

[Greg Dake]

Greetings everyone...We have an old 230V 3 phase 2HP motor we received in on a used tank. We're curious how it is supposed to be wired. I did a web search and didn't turn anything up, it's a very old motor.

The motor is a Mojonnier model R40

There are six motor leads and they are numbered:

1-2-3 and 11-12-13

Our 230 volt supply is a grounded "B" phase.

Any ideas?

Thanks in advance,

Greg

 

[Tom Jenkins]

It is probably a dual voltage motor - 230/460 VAC.

On some old motors there were second "nameplates" that had wiring data for each voltage rating.

 

[Greg Dake]

Hmmmm, thanks for the info Tom. Actually the motor nameplate only indicates 230VAC....If your idea is correct, which set would you propose is the 230V set of leads?

Again, thanks for any info you can provide...

Greg

 

[rsdoran]

What confuses me is the 11-12-13, the 13 is confusing. I have a page for connections but nothing I am familiar with has a #13 lead, that implies more than 12 leads total.

 

[kamalaitounejjar]

hello ,
what about the star triangle starting?
can't you just check the circuits continuity beteween each couple of leads?

 

[BudW]

Careful, Some stepper motors use leads 1,2,3 and 11,12,13

 

[TConnolly]

Sounds to me like you have a two speed dual winding single voltage motor.

1,2,3 is for low speed.

11,12,13 are for high speed.

http://apps.motorboss.com/connections/3251.pdf


Ron, 11,12, and 13 are not to imply more than 12 leads, but rather it is to designate the second set of 1,2,3 on the higher speed windings, or if you like: 1-1, 1-2, and 1-3.

 

[jrwb4gbm]

Start checking continuity from 1 to 2, 1 to 3, 1 to 11, 1 to 12, 1 to 13.
Then, 2 to 3, 2 to 11, 2 to 12, 2 to 13.
Then, 3 to 11, 3 to 12, 3 to 13.
Then, 11 to 12, 11 to 13.
Then 12 to 13.
Next list the combinations as either open or closed.
This will help determine if the motor is a star, a delta, or a two speed type.

 

[Bruce99]

Duel Winding

My vote is for dual speed two winding motor. 1-2-3 low speed, 11-12-13 high speed.

 

[Greg Dake]

Alaric and Bruce99, you are absolutely correct! Thanks a lot for your help.


Greg