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Zerozone 100VA PSU Fuse Issue







Topic: Zerozone 100VA linear power supply with user-selected DC voltage with maximum amperage capacity, ranging within these seven options:

1. 5VDC / 6A

2. 9VDC / 6A

3. 12VDC / 6A

4. 15VDC / 5.3A

5. 18VDC / 4.4A

6. 19VDC / 4.2A

7. 24VDC / 3.3A

I ordered the 12VDC/6A version, which operated just fine for a few months before it blew a fuse with a 3A maximum load device. There was a spare fuse in the IEC inlet with integral fuse holder, and that fuse was fine for another few month before it blew, too. The stock 5mm x 20mm slow-blow ceramic fuse value of only 1.6A 250V seemed insufficient for a 6A DC power supply, so I emailed the eBay seller about the correct fuse value and was told "Please use 1.6A --- 3A fuse".

That's the first time I've come across such wiggle room, with no indication of perhaps different fuse values based on the DC output voltage/amperage selection. So, I ordered 1.6A, 2A, and 3.15A AMR Audio silver alloy fuses that I'll work up the line with until a fuse remains stable over the test of time.

See link:


Edits: 07/21/17
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Topic - Zerozone 100VA PSU Fuse Issue - Duster 22:01:56 07/18/17 (46)
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