60 amp contactor [RE-wrenches]

[Ron Schroeder]

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Hi Drake,

For transfer switches, I often use 2 breakers next to each other with a 
handle tie interlock.  I have used them with Square D up to 70 amps and 
Murray/Seimans/ITE up to 100 amps.  I think GE has a handle tie interlock 
for two breakers across from each other.

I like this method for manual transfer because it can be in the same panel 
as the breakers for all of the backed up loads.

I have even done a few systems with the old style Murray 100A panels that 
had the main breaker lined up with the right hand row of breakers instead of 
centered where the 100A main breaker was interlocked with a 60 amp generator 
just below it for a complete AC protection and transfer system in one box.

Ron Schroeder
WD8CDH
NABCEP Certified PV Installer


----- Original Message ----- 
From:  --- Drake Chamberlin
> <Drake.Chamberlin at redwoodalliance.org> wrote:
>
>>
>> Does anyone know of a good source for a 60 amp, 240
>> volt contactor or
>> transfer switch?  I need one for a Sunny Island,
>> grid backup system with
>> AC coupled Sunny Boys and a generator.
>>
>> Drake


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