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Old 05-16-2012, 07:35 AM   #1
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Help trying to identify Main Panel circuit breaker Interlock solution


Hello,

I have a crouse hinds LC230PC -- 77030-05 circuit panel that has this odd looking shaped main 200A circuit breaker. I am trying to figure out the best option to tie into the panel a manual interlock solution for generator hook-up.
My first option would be to simply add a manual switch box between the meter and the panel outside my house. This would have a three position switch state. Either OFF, switch in the line from the Grid, or generator.
My second option would be to purchase a siemans manual interlock switch and have it installed by an electrician. This would allow me to safely turn off the main and switch a two pole (tandem) breaker connected to the generator outside. One question I have about my second solution, I have this hump style breaker, but cannot find the correct interlock switch for it. I have attached the picture in case someone can identify and point me to the location on the net for the siemans interlock solution. Please note, I am only looking for a siemans interlock solution, not an after market piece.

If any one has any additional ideas, please post them.

Thanks in advance.
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Old 05-16-2012, 07:55 AM   #2
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Help trying to identify Main Panel circuit breaker Interlock solution


Is the generator going to be sized to run the whole house?

I think you would need to purchase a transfer switch. The interlocks I have used and seen, won't be able to do what you are trying to do, unless the generator will be sized to power a smaller subpanel.

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Old 05-16-2012, 08:24 AM   #3
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Help trying to identify Main Panel circuit breaker Interlock solution


What is the model number of your panel. I think saw some online at one time.
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Old 05-16-2012, 08:25 AM   #4
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Help trying to identify Main Panel circuit breaker Interlock solution


Quote:
Originally Posted by k_buz View Post
Is the generator going to be sized to run the whole house?

I think you would need to purchase a transfer switch. The interlocks I have used and seen, won't be able to do what you are trying to do, unless the generator will be sized to power a smaller subpanel.
Are you saying I cannot use a small portable generator and an interlock kit to power a main house panel?
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Old 05-16-2012, 08:36 AM   #5
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Help trying to identify Main Panel circuit breaker Interlock solution


k_buz,

I would like to be able to switch in whatever circuit I need at the point in time. Do not want to corner myself with a 6 circuit or 10 circuit transfer switch.
So, I was looking these generators: http://www.generatorsales.com/order/...sp?page=H04595
what do you think?

thanks again.
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Old 05-16-2012, 09:09 AM   #6
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Help trying to identify Main Panel circuit breaker Interlock solution


Quote:
Originally Posted by Linos View Post
k_buz,

I would like to be able to switch in whatever circuit I need at the point in time. Do not want to corner myself with a 6 circuit or 10 circuit transfer switch.
So, I was looking these generators: http://www.generatorsales.com/order/...sp?page=H04595
what do you think?

thanks again.
An interlock kit is perfectly legal. The NEC allows manual load shedding for this application.

Nice generator.

Last edited by Code05; 05-16-2012 at 09:12 AM.
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Old 05-16-2012, 02:45 PM   #7
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Help trying to identify Main Panel circuit breaker Interlock solution


You're not gonna find an off the shelf interlock for that old style breaker

interlockkit.com may be able to make you a custom interlock


Edit: Nevermind, interlockkit does make the correct interlock for that breaker

http://www.interlockkit.com/croushndsmain01.htm
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Old 05-16-2012, 03:31 PM   #8
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Help trying to identify Main Panel circuit breaker Interlock solution


thank you to everyone's response. I decided to send an email to siemens electric (who took over the murray company, who also took over the course hinds panel business) and here is the response:
The main breaker type in this panel was an MD-H. We do not have an interlock kit for this old style main.
I also asked how many tandem breakers is can accept and here was thier response. It can accept 10 tandem breakers.
I hope this will help other seekers.
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Old 05-16-2012, 03:40 PM   #9
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Help trying to identify Main Panel circuit breaker Interlock solution


Does that interlock kit come with a method of switching the neutral too or do you guys south of the border not need to do that?
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Old 05-16-2012, 04:00 PM   #10
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Help trying to identify Main Panel circuit breaker Interlock solution


We don't switch the neutrals in most cases

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