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Old 10-08-2011, 07:55 PM   #1
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Default Questions about appropriate parts

I'm completely new to electric brewing, and am putting together a parts list for an electric brewing setup (Sorry if my questions here are terribly ignorant.)

I am interested in this P-J diagram:

http://www.pjmuth.org/beerstuff/imag...-4500w-30a.jpg

What kind of fuse block or panel should I buy?

Will I absolutely need a heat sink for the contactors P-J recommends in this drawing?

What are the recommended formats for the various plugs and receptacles? I want to be as safe as possible, without spending a fortune on something exotic. Part numbers or links would be helpful, as there seem to be many types/shapes of plugs and receptacles for the various applications in the diagram.

Thanks!

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Old 10-08-2011, 08:07 PM   #2
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For example, I started digging around for 4-wire 30 amp twist-lock plugs and there are a lot to choose from. I'm looking at this list as an example of the myriad choices of plugs and receptacles: http://www.mcmaster.com/#nema-style-connectors/=eelfjz

Totally confusing. The ones considered 'watertight' are WAY more expensive. Is the outlay worth it? Some other brand that would get the job done for <$25/component or so without risking life and limb?

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Old 10-08-2011, 08:19 PM   #3
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This will help.....http://theelectricbrewery.com/contro...part-1?page=13

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Old 10-08-2011, 08:32 PM   #4
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Thanks, Zeus. My brain's 'splodin!

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Old 10-08-2011, 08:41 PM   #5
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Yes its a great site. Has helped a lot of people out. Kal is an e-god! And yes you will need a heat-sink, not for the contractors but for the ssr's, they put out a lot of heat. But as for your contractors, don't go with the crap ones on ebay. Stick with a name brand, I think I have a several left over for my e-build. I'll look when I get home. They are quality Allen-bradley, and if I do have a few Id be willing to part with them cheap to save you a few bucks.

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Old 10-08-2011, 09:11 PM   #6
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Unfortunately I wasn't turned on to the site until after I had all needed parts for my build. It would have saved a lot of time and headache. But Kal was an inspiration on my overall panel lay-out.

2011-10-01-18.05.53.jpg  
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Old 10-08-2011, 09:51 PM   #7
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Yeah, it's great stuff! I'll be putting together something a lot simpler than his or your set up, but the major components are similar. Super helpful! He really breaks it down.

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Old 10-08-2011, 10:40 PM   #8
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Very helpful indeed! If you need any components at a discount price let me know. I have a bunch left over from my builds.

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