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Old 03-18-2013, 12:11 AM   #1
cank
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Default Will these parts work?

I found these parts at my father-in-laws shop and was wondering if they would work for an electric build similar to one of these designs by P-J? However, I will not have a pump right now but it's on my list.
And I will be trying to use my Omega micromega PID controller.


1- 100T-SS3MB3 3 position switch
1- Square D 9001 KA2 2 position switch with one contact
3- (Brand?)LR28098 10 amp 2 position switch
3- 10amp 240v toggle switches (1 3-way, 2 2-way)

3- Square D 9001 Series H Type KM38 120V indicator lights

Arrow Hart c302u30 Contactor
GE B13603-24 single pole contactor (I'm assuming this won't work because it's single pole and 24v)
Allen Bradely 140M-C2E-C10 circuit breaker

Square D 30 amp 2-Pole GFCI P-2024 Breaker

Would it help to see any pics of these?

Also, what size wire to use inside the panel? Should I stick with the same gauge from the outlet or can I reduce it on some components?

auberin-wiring1-a4-4500w-biab-30d.jpg   30a-5500w-2-element-2-pump.jpg  
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Old 03-18-2013, 01:53 AM   #2
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The current rating is not high enough.

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Old 03-19-2013, 07:13 PM   #3
cank
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Still trying to figure this out.
I found this thread:
http://www.homebrewtalk.com/f170/my-two-5500-watt-element-1-pid-ssr-build-281085/#post3485613

Where in this post he list the parts he used:
http://www.homebrewtalk.com/f170/my-two-5500-watt-element-1-pid-ssr-build-281085/index4.html#post3515274

Those toggle switches are also 10amp 240v or 20amp 125v.

If I am just using one hot leg of the 240v and the neutral, I should be able to use it to turn on the PID. Also, if I put one switch before the contactors, that should work too, RIGHT??

And could I use the 120v lights connected to one hot leg after the contactor?

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Old 03-19-2013, 08:34 PM   #4
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What type of output is on your Omega PID? (relay output vs internal SSR vs DC pulsed output for external SSR) This will dictate your panel design.

The switches should be adequate for low power control signals (i.e. coil for the contactor) but you don't want them on the line voltage to the element which will be >20amps.
For example, Switch1 in the first diagram must be rated for 30 amps.

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Old 03-19-2013, 09:17 PM   #5
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Output 1 is: SSR solid state relay/1 A at 120/240 Vac (this is the one I was going to use)
Output 2 is: Relay SPST 5 A at 120/3 A at 240 Vac

Thanks.
So Switch1 in the second drawing on the other hand would not have to be rated that high because it is switching on the 120v coil on the contactor, right?

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