Car Stereo Audio 12V Circuit Breaker Fuse Inline Fits 4 8 Gauge Wire 20 Amp

hello everybody thanks for tuning in once again in this video we're looking at some of these these are 12 volt DC circuit breakers what we're going to be doing is seeing how they work is this particular set I've bought reliable and basically just doing an overall quality test on them to make sure they do perform to standard and so that they can go into a machine I'm making which you guys will see very soon what I think will quickly do first this little DC circuit breaker and this MCB miniature circuit breaker which goes in a consumer unit in the UK one key difference between the two this here uses a magnetic coil to trip in extreme overload conditions and it uses a bimetallic strip whereby if you've got a short circuit the magnetic coil in this or disconnect the current pretty much instantly obviously it will trip off and disconnect the circuit which is what you want but for gradual ove