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| Replace only blown or ALL fuses https://brainfiller.com/arcflashforum/viewtopic.php?f=33&t=4909 |
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| Author: | Jim Phillips (brainfiller) [ Sun Mar 10, 2019 5:33 pm ] |
| Post subject: | Replace only blown or ALL fuses |
Here is another fuse question. This one comes up for debate from time to time. Here it is: If only 1 fuse blows in three phase equipment, would you replace only the blown fuse or all 3? Only 1 All 3 It depends We don’t use fuses |
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| Author: | PaulEngr [ Mon Mar 11, 2019 5:23 pm ] |
| Post subject: | Re: Replace only blown or ALL fuses |
If it's feeding a single phase load then it wouldn't make sense to replace all 3. If there is a reason that I believe that only one or two fuses saw the overcurrent then it makes sense to only replace those. Otherwise, replace all 3. Gets tricky with for instance semiconductor fuses in drives where you start having to sort of guess what's going on. |
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