[SML] Source 4 Power and LED Cabling

Nigel Worsley niglew at googlemail.com
Mon Apr 24 15:01:11 UTC 2017


On 24 April 2017 at 15:39, Michael Sauder via Stagecraft
<stagecraft at theatrical.net> wrote:
> On Mon, Apr 24, 2017 at 10:00 AM, David Fox via Stagecraft
> <stagecraft at theatrical.net> wrote:
>> This means that if a fixture normally consumes let's say 5 amps, when you
>> first turn it on it may consume up to 50 amps for those first > few cycles.
>> Some fixtures even run this high inrush for several seconds.
>
> I knew it would be higher, but.. 10X higher? I wouldn't have guessed that.

It is even worse than that, from the Source 4 LED datasheet:
"Inrush current 230V: 107A (For about one half-cycle) "
So more like 100 times higher.

Nigel Worsley




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