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

[dale]

Another important consideration is the location of the breaker panel in question.  
If it is located far away, at an inconvienent location, or in a locked electrical closet.... then remote control mechanisms becomes far more useful.   
If this is the case, then an approach I saw used once was having all those circuits coming from the panel in the locked power room went to a big array of ordinary light switches that was in the stage managers office.  Each one was labeled with circuit number and what it served.  This was done when the cost of remote switched control was super expensive.  And a light switch from regular sources was far less expensive than relays and control system.  It's worth costing out this approach versus the suggested panel and control system.  
And what kind of control system does this suggested array of breakers use? That won't be free either, and inserts another point of failure into your system. 
Dale


Sent from my Verizon 4G LTE smartphone

-------- Original message --------
From: Stephen Litterst via Stagecraft <stagecraft at theatrical.net> 
Date: 8/11/16  09:26  (GMT-05:00) 
To: Stagecraft Mailing List <stagecraft at theatrical.net> 
Cc: Stephen Litterst <litterst.stagecraft at gmail.com> 
Subject: Re: [SML] Relays vs. Traditional Circuit Breakers for LED Power. 

On 8/11/16 1:26 AM, Mt. Angel Performing Arts Center via Stagecraft wrote:
>
> Although this is not relevant to the discussion at hand many breakers
> for branch circuits are specifically designed and rated to also serve as
> switches - look for 'SD' (switch duty) devices.

It's entirely relevant, because his campus electricians are suggesting 
they simply flip the breakers.

I agree with the remote relays in some shape or form.  I'm adding LEDs 
into my rig this summer and am putting in a combination of ColorSource 
Relays (where there is no data present) and Sensor R20 modules to avoid 
having to switch things off in the dimmer rack or at the breaker.

Steve L.


-- 
Stephen Litterst            Technical Operations Supervisor
litterst at udel.edu           Mitchell Hall
302/831-0601                University of Delaware


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