Cover for Solid State Relay Fotek SSR-40 DA
thingiverse
Effectively prevents deadly electroshock. Works well with DC power sources also. I use it to control a 400VA toroidal transformer that originally powered halogen bulbs. Good transformers can often be found in broken audio amplifiers or home cinema AVRs. I got mine for a very low price on Ebay and now use it to power a strong heatbed that draws 23A. All the relays I tested on the low voltage circuit melted, so I simply cut off the 220V supply where only a few amps were flowing and the SSR didn't even get warm. It can be used for many other applications as well.
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