Hello   I have a power box full of transformers. The power box was made for me by a friend/expert.   Unfortunately he did not put any short circuit protection in the power box.   Today a short circuit on my 16v AC bus nearly burnt out one of my transformers - lots of smoke but managed to get it unplugged in time!   What is the 21st century solution to this problem ? Something that auto re-sets hopefully.   I have an RS components just down the ro