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 Post subject: Breaker information
PostPosted: Tue Apr 15, 2008 7:54 am 
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Joined: Mon Apr 14, 2008 7:10 am
Posts: 142
I wonder if anyone here can give me a hand. I am doing arc flash study for an old industrial project. There is one GE breaker I really couldn't find the information for its trip unit. The info I have is: GE air circuit breaker, AK-1-25, 600A frame. The trip unit is GE EC2, 175L376G-2. I don't know if any of you may know this based on your experience. I tried to search it from the website but unfortunately there is no result. If you can help, I will very appreciate it! (as I know, it is not an electronic trip unit)


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PostPosted: Tue Apr 15, 2008 9:00 am 
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Joined: Mon Sep 24, 2007 7:10 pm
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Location: Washington
Ge Ak-25

Noah,

What exactly do you need to know? Are you looking for the device TCC to manually determine the trip time? What software are you using to do your study?


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PostPosted: Tue Apr 15, 2008 9:10 am 
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I am using PTW32 from SKM. Yes,what I am looking for is the device TCC. I couldn't find the information for this device. Could you help?


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PostPosted: Tue Apr 15, 2008 9:23 am 
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Joined: Mon Sep 24, 2007 7:10 pm
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Location: Washington
The TCCs are available online. Google: GES-6010 , GES-6011 , and GES-6012. These are the TCC numbers for the three different long time pick up bands. This is something the software company would do for you (I would think). The GE / EC-2 is an available trip unit in my software library already. Good luck.


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