my current draw from my amplifier is around 250-300a and ı have 0 awg power cable , ıf ı put 150a fuse to this 0 awg cable , it will ok ? will be some disadvantages ?
I may be reading something wrong but if your amp current draw is 250+ amp how do you expect the 150a fuse to last? It will blow pretty quickly if you don't keep the draw low. Nothing dangerous or anything. It is just a waste of fuses which equal money.