For the record: Some of these are a bit over-the-top, and Amazon is trash for anything safety-related, but for the record, virtually all fuses have a pretty significant margin before they blow. The risk here is very limited: - A 2A fuse needs to conduct 2A, no matter ambient temperature, manufacturing variation, age, etc. - 95+% of the time, what you're protecting from isn't a minor overload condition but a short. Th…
No. https://www.nilight.com/products/nilight-272pcs-standard-min... These are not slow burning fuses or whatever. In their product video 6A blows a 5A fuse in like subseconds. However 6/5 rated current should probably blow slower, like days, or not at all? The 2A fuse is probably just made faulty. Edit: Of course, the Amazon seller could be a counterfeit of "Nilight", which might be a proper brand?
Those are the only three manufacturers I ever see specified by electrical engineers in construction specs.