Monday, May 4, 2020

Re: [electricboats] 48V system cirucuit breakers? Vs. Fuses?

Hi John,
Unless the device has a specific fuse called for, the main purpose for the fuse or breaker is to protect the wire. You do not want to use a device that calls for a fuse or breaker of 25 or 30 amps If using 14 ga wire as the wire max is 15 amps or thereabouts. A device wired with that same wire however may call for an in line 5 amp fuse at the specific device, and there may be multiple devices connected to the same wire and breaker but the fuse or breaker at the start of the run must be sized for the wire. Look at your device maximum draw in amps and size the wire and matching breaker/fuse size for that amperage. There are many charts available on the internet that specify wire size for various amperage.
Cheers,
Ric Sanders

Ric Sanders
Rsandersemail@gmail.com


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