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BATTERY MASTER SWITCHBATTERY MASTER SWITCH

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roger.mills(at)btinternet
Guest

Posted: Tue Aug 07, 2007 1:47 am Post subject: BATTERY MASTER SWITCHBATTERY MASTER SWITCH

Rob,

  Are you actually using this relay? I suspect it isn't suitable for a DC load (if you look at the laod terminal it says "AC" ). It probably uses a triac as the control element - which depends on the voltage reaching zero to switch off.

  Regards

  Roger Mills

 [quote][b]

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rob(at)hyperion-ef.com
Guest

Posted: Thu Aug 09, 2007 1:30 pm Post subject: BATTERY MASTER SWITCHBATTERY MASTER SWITCH

Roger and Ira:  

   

Thanks for the input.  Two “gotchas” have been brought to my attention, fortunately before first flight (which unfortunately is not imminent) .  Being an analog guy in a digital world I made the erroneous assumption that solid state relays don’t care about waveform.  OOPS.  Worse yet, I missed the fact that starter current is just a tad higher than the steady state cruise load.  “Lectric Bob’s remotely operated battery switch (9042-100) is looking like a really good device for my purposes.  

   

   

Best regards,  

   

Rob Housman  

Irvine, California  

Europa XS Tri-Gear  

S/N A070  

Airframe complete  

     

From: owner-europa-list-server(at)matronics.com [mailto:owner-europa-list-server(at)matronics.com] On Behalf Of ROGER MILLS

 Sent: Tuesday, August 07, 2007 2:46 AM

 To: europa-list(at)matronics.com

 Subject: Re: Re: BATTERY MASTER SWITCHBATTERY MASTER SWITCH  

  

     

Rob,  

    

Are you actually using this relay? I suspect it isn't suitable for a DC load (if you look at the laod terminal it says "AC" ). It probably uses a triac as the control element - which depends on the voltage reaching zero to switch off.  

    

Regards  

    

Roger Mills  

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       [quote][b]

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