3pcs Solid State Relay SSR-40DA Single Phase Solid State Relay Module Input 3-32V DC Output 24-380V AC for Temperature Controller

My previous SSR I use in my Gaggia Classic Pro shorted due to water. Replaced with this and everything is working as before.

These Solid-State relays were exactly what I was looking for. If you need some, these are as good as you will find. I highly recommend them. When I needed some, many years ago-they were like $25 apiece. Now a days they are much more reasonable. Buy them.

The price was excellent (for 3 devives). Immediately applied one of to my project and it is functioning perfecly

I have read some bad stories about some SSRs beeing fake/unable to consistently perform - even well below their rated amperage. So far, no issues with this one drawing about 10A at 120VAC. Mounted to a standard SSR heat sink, it barely gets warm during 30 to 45 minute intervals of run time.

I tried using mechanical relays on a refrigerator Arduino project but they created lots of electrical noise and lead to reboots. Once I replaced the mechanical relays with these relays, the Arduino sketch ran great. I needed to control 7 amps with a 12 mp surge, but I ordered the 40amp relay, just in case.It's 5 months later and they still work.

I recently purchase a new high-end receiver for my new theater room. My older receiver had a 110v switched outlet that I used to turn on a 110v relay which turned on my power amps. My new receiver doesn’t have a 110v switched outlet, instead it has a 12v assignable trigger output. So I purchased this SSR to trigger on from my stereo and power on my amps. It has worked great for the month or so since I connected it. Silent compared to my old large relay, and doesn’t “stick” on like my relay did occasionally due to the arcing of the contacts.

Can activate the relay with 5 to 48 volts. I use it to turn on a CNC spindle. It’s a bit larger than I expected but not an issue

Just got it, but I haven't been able to use it yet, because the heat sink is threaded with #8-36 (fine thread, rather than standard) holes, and they didn't bother including the mounting screws. Maybe they have as hard a time finding these screws as I'm having. As far as I'm concerned, it could have come with the relay and heat sink pre-assembled.Update: it is now in use. I had to bouger the threads with sheet metal screws to mount it, since I couldn't find screws that would fit the threads. It is working fine so far.