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Tool Talk Discussion Forum

3 Phase Motor Question

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GPWT

01-19-2004 09:59:55




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I bought a Delta planer with a 3 phase motor, it is currently wired for 480V 3 Ph but I need to wire it for 240V 3 Ph. The wiring chart is gone. Is there any way (other than trial and error!) that I can determine which wires to connect to power and which to jumper? Am I out of luck on this?




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John L

01-19-2004 11:19:01




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 Re: 3 Phase Motor Question in reply to GPWT, 01-19-2004 09:59:55  
On 480 volts, (L1-1) (L2-2) (L3-3) (4-7) (5-8) (6-9) (10-11-12).

On 240 volts (L1-1-7) (L2-2-8) (L3-3-9) (4-5-6-10-11-12).

On some motors leeds 10-11-12 may be done internally, if so disreguard.

Also to change direction of the motor, change position of only two of the three feed lines (L1 or L2 or L3).



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BIG WOOD

01-21-2004 17:34:02




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 Re: Re: 3 Phase Motor Question in reply to John L, 01-19-2004 11:19:01  
dont forget to check over current protection.



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John K

01-19-2004 11:20:24




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 Re: Re: 3 Phase Motor Question in reply to John L, 01-19-2004 11:19:01  
Sorry , previos posted as John L shoud have been John K



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