Justin Smith asks a question about the use of AC fuses used on DC circuits. His question has been answered by SELECT (Theme – Distribution Equipment including Cable Management):
Question: I was recently asked to carry out some work on a fairground dodgem track, as this attraction was up for its annual test and it had failed on a few small things.
The main failure was that there is no fuse protection on the 120 VDC conductors feeding the dodgem net. However, the owner has asked, on his list of work to do, for BS88 AC fuses to be fitted.
So, my question is, can AC fuses be used a DC circuit?
Answer: As far as I am aware, the current rating would be the same on AC or DC circuits.
However, I recommend that you contact the fuse manufacture for the most appropriate advice.
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