# How does 4 pole, triple throw switch work?

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#### zmanultra

##### Member level 2
im really confused about the operation of these kind of switched i need to use one because the toggle allows the user to choose between 3 modes of operation.

can some one explain the circuit for me, im i dont know how it works, i googled but didn’t help me...

#### A.Anand Srinivasan

##### Advanced Member level 5
Re: 4 pole, triple throw

a 4 pole means that the input is from 4 terminals..... triple throw means that these 4 inputs can be connected to 3 output sets of 4 poles each.....

#### zmanultra

##### Member level 2
Re: 4 pole, triple throw

i dont understand what do you mean by :

"4 inputs can be connected to 3 output sets of 4 poles each....."

im so confused

#### A.Anand Srinivasan

##### Advanced Member level 5
Re: 4 pole, triple throw

the 4 input terminals contain a different input each.... and there a 3 sets of output which each have 4 output terminals.... these input terminals can be connected to any of these output set.....

#### zmanultra

##### Member level 2
Re: 4 pole, triple throw

you said....
the 4 input terminals contain a different input each....

do you mean

the 4 input terminals contain a different output each....

#### A.Anand Srinivasan

##### Advanced Member level 5
Re: 4 pole, triple throw

ya... it is just the way of looking that differs.....
these 4 terminals are the what are meant by the term 4 pole.....

#### zmanultra

##### Member level 2
Re: 4 pole, triple throw

how does it work? say i want to the first mode to be off (no power) the second mode to have power (signal A) , and the third mode to have power (signal B)

i dont know how to go on about it

i drew a pic for you to help me understand what will happen.
i really appreciate your help A.Anand

#### A.Anand Srinivasan

##### Advanced Member level 5
Re: 4 pole, triple throw

what you have drawn is a 4 pole double throw.... these 4 inputs A,B,C,D switch together and hence either E(i),F(i),G(i),H(i) will have power or E(ii),F(ii),G(ii),H(ii) will have power at any instant of time.... if you add a third terminal E(iii),F(iii),G(iii),H(iii) then it is 4 pole triple throw switch.....
are you able to understand it.....

### zmanultra

Points: 2

#### zmanultra

##### Member level 2
4 pole, triple throw

you know where u said that either E(i),F(i),G(i),H(i) will have power or E(ii),F(ii),G(ii),H(ii) will have power .....does that depend on what i feed the inputs?

and also, whats confusing me is the why the hell do e for example have two lines? can you explain that?

#### A.Anand Srinivasan

##### Advanced Member level 5
Re: 4 pole, triple throw

hey E(i) and E(ii) are connected to different circuits..... it wont be connected to the same place as you have drawn in the circuit.... whether E(i) gets power or E(ii) gets power depends on you i.e to which one you connect A,,.....

#### zmanultra

##### Member level 2
4 pole, triple throw

A.Anand thanx i understand now. i just needed time to sink in, i undestand 100% now
i wasnt looking at the actuall outputs off e f g h...
each set will give a different signal

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