100A DC Switchable Surface Mount Circuit Breaker Link
http://www.ebay.com/itm/Car-Stereo-Audio-Current-Circuit-Breaker-Inline-12-24-V-Protector-100AMP-100A-/262064221006?hash=item3d043eab4e
Forum Discussion
I'd trust one made for industrial purposes which at least claims standards conformity much sooner than one made for consumer use which doesn't even try to meet any standards.
