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Thread: 3 Amp+ per channel SSR?

  1. #1
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    Default 3 Amp+ per channel SSR?

    For 2013 I am switching from LOR controllers over to Renard SS24's and some SSR's in my display. All of the SSR's that I have looked at are limited to 2 amps per channel max. I have a few channels in my display that pull 2.1 amps. Are there any SSR's that will handle at least 3 amps or more per channel? Any Renard boards that will?

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    Default Re: 3 Amp+ per channel SSR?

    That's one of the reasons I've kept the LOR controllers in my display; current handling capabilities of 8 amps per channel. Most of my AC channels are now Renard controlled, but there are those few that I fall back on my LOR controllers for, because of this.

    In other words, I don't have a good answer for you. I know that RJ's Lynx Express controllers are rated for 8 amps per channel as well but I already have the LOR controllers.

    According to the write-up in the wiki, the SS24 is limited to 2 amps per channel due to the size of the PCB trace. You may be able to augment these traces with a jumper wire in parallel with the traces, but others may have already had experience with this, and I hope they speak up.

    I would definitely use the heat sink, perhaps with adding some thermal grease.

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    Default Re: 3 Amp+ per channel SSR?

    SSRez will do handle more than 2A per channel with heatsinks...however the overall load on the SSRez (4 channels)
    needs to be 8A max.
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    Default Re: 3 Amp+ per channel SSR?

    The 4 port SSR with the most copper available to you is the SSRneon-G2-LED.
    The AC traces on the board were 'doubled' by having an AC trace on the top and the bottom of the board. The are both 2oz copper thereby giving you an effective 4 ounce copper trace.
    I don't know of another DIYC SSR with this much copper available.
    Here's the link the the wiki entry: http://www.doityourselfchristmas.com...SSRneon-G2-LED
    Greg Bartlett is looking to run a group buy for these soon. I would PM Greg (gmbartlett) and discuss this with him in terms of driving 2.1 amps per channel. He can tell you the design specs of the AC traces.
    If this doesn't work, you are looking at using 'hockey puck' SSRs which can be found to support 15+ amps. They are a per channel option and therefore get expensive.
    Last edited by ukewarrior; 01-07-2013 at 11:00 AM.

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    Default Re: 3 Amp+ per channel SSR?

    Thanks for the suggestions. I will look at the SSRez's and SSRneon-G2-LED's a bit closer. The 2.1 amp channels are on my icicles. They blink a lot during the show but I keep them on constant overnight for 9+ hours. If I have time this year I could divide the icicles up into individual strings per channel to get the amps down but that would be more SPT2 wire and more SSR channels. Any recommendations on the "hockey pucks"? I will look at those too.

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    Default Re: 3 Amp+ per channel SSR?

    Quote Originally Posted by Uncle Al View Post
    Thanks for the suggestions. I will look at the SSRez's and SSRneon-G2-LED's a bit closer. The 2.1 amp channels are on my icicles. They blink a lot during the show but I keep them on constant overnight for 9+ hours. If I have time this year I could divide the icicles up into individual strings per channel to get the amps down but that would be more SPT2 wire and more SSR channels. Any recommendations on the "hockey pucks"? I will look at those too.
    I run 600 ct icicles on my SSRez all the time .33*6 = 1.98A without heat sinks all the time.
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    Default

    I seem to recall a renard with heavier traces...like HC or something? I can't find info now, but I don't think I was dreaming...
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    Default Re: 3 Amp+ per channel SSR?

    A few years ago I'd made myself some 120v SSR's for that type of thing LOL
    My controllers (home-built stuff) are 2a / channel...
    sometimes I need more than that so I still put a small load on the channel, then plug the 120v ssr-box into it as well (then I have up to 12a handling )
    Last edited by XmasLightGuy; 01-09-2013 at 11:39 PM. Reason: added info
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    Default Re: 3 Amp+ per channel SSR?

    Making a 3A SSR isn't rocket science. Bigger/thicker traces, heftier triac (possibly), heat sink... No biggie really. The reason we don't have that as a regular board is because there's so little demand for it. With the push to LEDs and pixels, a 3A A/C SSR is a pretty rare thing... Sure isn't hard to make though.

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