anthonym Posted October 23, 2018 Share Posted October 23, 2018 https://www.12voltplanet.co.uk/battery-terminal-cube-fuses-50-300a.html These ingenious battery terminal (or cube) fuses solve this problem by mounting directly into a terminal clamp and totally eliminating any unprotected section of cable, giving you maximum protection for your circuits.What do we think?Seems to me it's a case of whether the starter or alternator will blow it anyway. However, as I understand it, the given rating is the "constant current" ability and the blow current will be double, which is say 600 amps in this case. The idea of no un-fused circuits (ignition, alternator, starter, fuse box) is rather nice. The alternative being that the shorted unfused wire is acting as it's own fuse, as a "fusible link". It's all about preventing fire aiui.Here's another idea in the same vein (protecting unfused circuits), except it runs to 600 amps continuous (I presume):https://www.mouser.ch/ProductDetail/Littelfuse/0FHZ0201Z?qs=sGAEpiMZZMtRmoYvq3OwzP5mGq8iSmn3yGIJM12QWPmFlXd6Uo9aOA%3d%3dThe arguments on the internet (as in discussions) seem to be about at what length of wire point it is worthwhile to fuse the circuit. So a short cable, say 30 cm isn't worth fusing because it will burn itself out like a fuse, whereas a long cable, like my (at least) two metre alternator B+ cable will fry everything else, the car included, before burning itself out.That as far as I think I understand it. Anthony Link to comment Share on other sites More sharing options...
rj Posted October 23, 2018 Share Posted October 23, 2018 With all the issues I've seen with fuses on batteries I don't want one there. Link to comment Share on other sites More sharing options...
Member Jonathan Kay Posted October 23, 2018 Member Share Posted October 23, 2018 What risk are you trying to manage?Jonathan Link to comment Share on other sites More sharing options...
anthonym Posted October 23, 2018 Author Share Posted October 23, 2018 one of ignoranceor in the alternative:death. :-) Link to comment Share on other sites More sharing options...
anthonym Posted October 23, 2018 Author Share Posted October 23, 2018 rj - do tell, I detect stories available for the listening? Link to comment Share on other sites More sharing options...
rj Posted October 24, 2018 Share Posted October 24, 2018 Failed fuses due to corrosion / vibration.Very common on VAG cars. Link to comment Share on other sites More sharing options...
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