[SML] Relays vs. Traditional Circuit Breakers for LED Power.

[Rob Graham]

They're suggesting "sequenced circuit breaker panels," and/or
"relay-type dimmers."

On Wed, Aug 10, 2016 at 10:28 PM, Kristi R-C via Stagecraft
<stagecraft at theatrical.net> wrote:
> I suspect your suppliers are suggesting "breaker" as opposed to "dimmers"
> for the LED fixtures and the confusion is in the terminology being used not
> the location or type of the breakers themselves.
>
> Kristi R-C
>
>
>
> ---- Original Message ----
> From: tech dept via Stagecraft <stagecraft at theatrical.net>
> To: Stagecraft Mailing List <stagecraft at theatrical.net>
> Cc: tech dept <tech.dept at inbox.com>
> Sent: Wed, Aug 10, 2016 10:03 pm
> Subject: Re: [SML] Relays vs. Traditional Circuit Breakers for LED Power.
>
> It sounds to me like someone is trying to sell you a very exotic bill of
> goods that you really don't need and could do much cheaper and probably have
> better reliability a more conventional way. (Standard regular circuit
> breakers and a relay pack (though I really see no need for the extra step of
> a relay pack.) I assume all the fixtures are standard theatrical brands and
> DMX controlled. A nice large 'company switch' (AKA Bulldog) preceding the
> permanent breaker panel Is all the good night switching I would want for the
> breakers.
> An inspector would really raise an eyebrow if you were regularly switching
> on and off the breaker for non-fault reasons.
>
>> -----Original Message-----
>> From: stagecraft at theatrical.net
>> Sent: Wed, 10 Aug 2016 21:45:03 -0500
>> To: stagecraft at theatrical.net
>> Subject: [SML] Relays vs. Traditional Circuit Breakers for LED Power.
>>
>> We're in the midst of looking at upgrading a significant portion of
>> our stage lighitng to LED in the near future. As part of the
>> exploration, vendors have suggested the addition/installation of relay
>> controlled breakers to supply power to the various positions. One of
>> our own University electricians asked me "why do you have to have
>> relays, couldn't you just flip the breakers?" I didn't have an answer
>> that I felt good about giving him, so I'm here now asking the
>> collective -
>>
>> Is there an absolute "must have" reason for the remote relays,
>> especially given that we're looking at full rack replacement, and the
>> installation of a new control network anyway? Access to the panel
>> would be very convenient; it's not likely to be placed in a
>> hard-to-reach spot. I'd really like to have a reason other than "the
>> recommendation of the vendor is to use this."
>>
>> Thanks in advance for your collective wisdom.
>>
>> -RG
>>
>> --
>> Rob Graham
>> photonguide at gmail.com
>>
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-- 
Rob Graham
photonguide at gmail.com