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Matt
08-14-2007, 08:35 AM
I'm looking to add fuses to my existing SSRs. Would these inline holders work, or is there a better choice?
http://www.mouser.com/search/refine.aspx?Ntt=441-R332A-GR

I want to use the same fuses (http://www.mouser.com/search/ProductDetail.aspx?R=BK%2fGMC-5Avirtualkey50400000virtualkey504-GMC-5) as in the COOP SSR design.
Macrosill
08-14-2007, 09:11 AM
They should work fine
Sean Bowf
08-18-2007, 02:19 AM
Matt, as Brian said, they should be fine. They are actually rated at about twice the amperage capacity as the PCB mounted ones I use.

Sean
Jeff Millard
08-20-2007, 09:29 PM
This one (http://www.mouser.com/search/ProductDetail.aspx?R=441-EPD209F2virtualkey56100000virtualkey441-EPD209F2) is a little bit cheaper and worked just fine for me.
Jeff
Doug-in-the-woods
10-02-2007, 06:58 PM
WHY? add fuses. The fuse in the strand of lights should be sufficent??
Jeff Millard
10-02-2007, 07:01 PM
WHY? add fuses. The fuse in the strand of lights should be sufficent??

To protect the SSR. Fast acting fuses might save a Triac if you develop a short across the output. Otherwise the Triac is the fuse. Seeing that there are 25 cent Triacs available, the Triac might be a better choice for safety device.
Jeff
Wayne J
10-02-2007, 07:44 PM
WHY? add fuses. The fuse in the strand of lights should be sufficent??

To protect the SSR. Fast acting fuses might save a Triac if you develop a short across the output. Otherwise the Triac is the fuse. Seeing that there are 25 cent Triacs available, the Triac might be a better choice for safety device.
Jeff

but keep in mind, that the triacs are rated higher than the fuses being used, so, the fast acting fuses are a bit safer. ;)
profgoop
10-14-2009, 05:06 PM
4878

anyone ever use these?
g2ktcf
10-14-2009, 05:09 PM
Those are made to be able to solder to a board or splice into a wire. They are perfectly safe but really do not match with the fuse clips and holders used in the any of the SSR designs that I have seen here.
profgoop
10-14-2009, 05:28 PM
Thanks!
I got em for .29 so thought it wasn't a bad deal. just soldered directly to the ssr. only draw back I see is if you need to make a quick change
g2ktcf
10-14-2009, 05:35 PM
Thanks!
I got em for .29 so thought it wasn't a bad deal. just soldered directly to the ssr. only draw back I see is if you need to make a quick change

that will be a major PITA......
profgoop
10-14-2009, 05:55 PM
I'm sure there will be a few choice words if/when this occurs...lol
P. Short
10-14-2009, 09:17 PM
The major reason for fuses is to protect you from a fire in case their is a short. The danger is that a short-circuit will result in a high current through the wires between the power source and the location of the short. This would heat the wire (perhaps red-hot), melt the insulation (and/or set it on fire), and set whatever the wire is touching on fire. The fuse should be as close to the power source as possible, so that there is as little wire as possible between the power source and the fuse.
christmas-light
10-15-2009, 07:57 AM
To protect the SSR. Fast acting fuses might save a Triac if you develop a short across the output. Otherwise the Triac is the fuse. Seeing that there are 25 cent Triacs available, the Triac might be a better choice for safety device.
Jeff

I do not have a fuse on my SSR and I have all ready burned a traice, just under the testing :oops:

I am going to buy some fuses ;)
g2ktcf
10-15-2009, 08:07 AM
I do not have a fuse on my SSR and I have all ready burned a traice, just under the testing :oops:

I am going to buy some fuses ;)


Just a note....the fuse really does not protect individual TRIACs unless you use a fuse per TRIAC. The SSR fuse protects the board traces...basically to keep everything from getting so hot that it causes a fire. You can still get this with a single overloaded TRIAC but the chances are greatly reduced.

The point of all this is the a fuse on the supply to the SSR will NOT protect a single TRIAC.