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rainyandtom

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Hello

I am just applying for my ozy visa and they have told me that i need to know how to wire a dol motor with remote and emergancy stop. I have heard a bit about motor starters (star/delta, dol, etc.).

But was wandering how to wire up a remote DOL Motor Starter and motor. Extra information is welcome.any diagrams would be grand

Thankyou very much

tom
 
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rumrunner

  • Thread Starter Thread Starter
  • #2
Hi
Try tapping ,electric 3 phase motor control circuit, into google ,i found loads of usefull stuff , but could not upload for some reason , have fun
 
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Shakey

  • Thread Starter Thread Starter
  • #4
A DOL (direct on line) starter is just basically a contactor, generally with a set of overload contacts in series with the main contacts

The starter will have a normally open 'on' switch in series with a normally closed 'off' switch.

To operate it remotely, you just wire in another 'on' switch in parallel with the existing switch. The contactor will have a set of normally open auxilliary contacts which also go in parallel with the 'on' switch, and act as the 'hold on' for the contactor coil (or else you would have to keep your finger on the button!)
 
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wayne

  • Thread Starter Thread Starter
  • #5
if only we could draw!!!!
these are the instructioons
control circuit; wire your live from your safety device (fuse mcb) to a stop which will have a n/c contact through there into and out of your o/load n/c aux contacts into and out of a start contact (n/o) into a1 of your contactor
your contactor will have a "fourth "set of terminals (n/o) which is wired in parallel across your start .thats your holding contact
neutral to a2
power/motor circuits through the l1/l2/l3/ t1/t2/t3/ contacts
in a rush gotta go there is a thread currently discussing contactors take a look
 
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rumrunner

  • Thread Starter Thread Starter
  • #6
You only connect the neutral to a2 if the coiul is 240 ,check the coil voltage first
atvbit.www

its better to think of the neutral as the 0 volt line ,

the first part of my post is not strictly correct ,but i dont suppose any one has connected anything since i wrote it
have a nice day
 
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Shakey

  • Thread Starter Thread Starter
  • #7
You only connect the neutral to a2 if the coiul is 240 ,check the coil voltage first
atvbit.www

its better to think of the neutral as the 0 volt line ,

the first part of my post is not strictly correct ,but i dont suppose any one has connected anything since i wrote it
have a nice day
yup, just did, factory has burned down and they are sending you the bill:eek:;)
 
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wayne

  • Thread Starter Thread Starter
  • #8
i was going for the simplest way ,no psu no tx not even 2 phase
this is only for theory !!!!
 
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Spudmiester

  • Thread Starter Thread Starter
  • #10
Get an old relay and some stop start buttons, wire them up to a supply and play about with some bits of wire until you suss it.

Thats what I did as an apprentice I asked the same question. Was told to figure it out for myself, and given a pile of bits.

Or try the Klockner Moeller website, there are loads of drawings for different starters.

Good luck

spudmiester
 
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rainyandtom

  • Thread Starter Thread Starter
  • #11
thanks alot for your your input!!hopefully can get through it ok:confused:

Tom
 
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