Re: UL & fuse rating

Phil Allison wrote:
"Robert Adsett"
Phil Allison.

Only rarely does the huge current from a dead short condition need to be
catered for - cos there is always another fuse or circuit breaker in
the AC supply wiring.


That does make the rather large assumption that there is an AC circuit
feeding the DC.


** What an ASININE remark !!!

When way over 99 % of all DC supplies are derived from the mains AC supply.




** Lack of reply noted.




In a lot of the stuff I do the DC bus is not fed
directly from an AC bus.


** What you do is of no interest to anyone - fuckhead.

Probably, I was simply providing a counter-example.



** Asinine reply noted.


But does seem to be the * hidden context * behind your smug posturings.



** Lack of reply noted.




** Standard ( ie 32 volt DC rated ) blade fuses have a quoted breaking
capacity of 1000 amps.

But that provides no guidline to their performance on a 60V bus.


** So fucking what?

ANYONE who has the job of dealing with DC supplies of over 32 volts and
with 1000 amp plus capacity - KNOWS FOR SURE they have special issues
to cater for in relation to fusing.



** Lack of reply noted.



** The only point YOU have is on the top of your thick head - pal.



The AC ratings provide no guide to acceptable DC
use ....


** Another gross overstatement.

OK, given a 125VAC/10KA interrupt rated fuse (such as Littelfuse 312001)
how do you determine what its interrupt rating at 75VDC would be?



** Stupid, pedantic and irrelevant to any point previously made.


Making asinine comments seems to be your ONLY forte - shithead.

Along with being a posturing ***.
^^^^ told you so :)




...... Phil

.

Quantcast