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Old 08-01-2011, 05:24 PM   #1
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Default Anybody using these eBay SSRs?

http://cgi.ebay.com/Solid-State-Rela...item255c29ada3

Any issues/problems/concerns?

Is the included heatsink sufficient when drying a 240V heating element?

Thanks!


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Old 08-01-2011, 05:28 PM   #2
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I used 25 amp versions, they work fine.

I choose to use a different heatink for mounting purposes.


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Old 08-01-2011, 05:30 PM   #3
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I assume the 40A is max load, not constant correct?
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Old 08-01-2011, 05:33 PM   #4
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Correct, they are rated for 0 to 40 amps. If you are using one 5500 watt element, you will pull 22-23 amps.
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Old 08-01-2011, 07:24 PM   #5
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For what it's worth Auber sells the same manufacturer's SSRs for DC applications, although they use a different one for 25A and 40A AC.
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Old 08-01-2011, 07:48 PM   #6
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Good point, check you PID and see what the output control is. Make sure to get a matching ssr.
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Old 08-01-2011, 07:51 PM   #7
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My plan is to control via an arduino board. Bad idea?
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Old 08-01-2011, 08:09 PM   #8
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Is the board ouput dc or ac? Think the ones link variable Dc 3-32 volts
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Old 08-01-2011, 08:12 PM   #9
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DC. 3-5 volts. I've seen a couple of test online so I think this will work. I'll do a write-up if I get it working.
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Old 08-01-2011, 09:05 PM   #10
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I have 5 each of 25A and 40A of these Mager units, they are also what ECC (makers of the BCS460/462) sells, have not done any long term testing, but seem to work fine.. I have some Crydom units but really don't like them not having a LED like the Mager's.

I think the heatsinks I have are the same as those, and they are pretty beefy..


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