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im not sure what this is called but heres my description.

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im not sure what this is called but heres my description.

Unread postAuthor: trae08 » Tue Jun 29, 2010 2:26 pm

what im talking about is something like this. there are a lot of thunderstorms where i live and because of that the power goes out frequently. well im wondering if what im about to describe even exists. but basically what the device does is keeps the electricity flowing to whatever i have hooked up to it and if the power goes out then the device would shutoff or reset or something so that when the power comes back on the device wouldn't supply power to whatever was plugged into it until i reset it or something similar.

does that make sense?
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Unread postAuthor: jrrdw » Tue Jun 29, 2010 2:46 pm

I forget what it's called but it's a type of breaker in between a generator and your fuse box. There are more details but I don't know them.
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Unread postAuthor: dewey-1 » Tue Jun 29, 2010 2:47 pm

Are you referring to a UPS or a backup generator?

http://en.wikipedia.org/wiki/Uninterrup ... wer_supply
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Unread postAuthor: jrrdw » Tue Jun 29, 2010 2:49 pm

The Gaurdain Genarator website will have them.
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Unread postAuthor: spudamine » Tue Jun 29, 2010 4:09 pm

An RCD (residual current device) will usually do this as well as it's main function. when the power goes off it trips a switch which can only be turned back on manually.
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Unread postAuthor: hi » Fri Jul 02, 2010 12:47 am

Just run an electrical cable over the local hospital, they have back up generators... haha totally kidding. :lol:
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Unread postAuthor: Technician1002 » Fri Jul 02, 2010 2:17 am

A simple relay and a push button switch is all that is needed. Pick up an electrical contactor (big relay) with a 120 volt AC coil. Hook the coil to the output of the relay. Use a pushbutton to connect the input to the output. Plug it in and push the button to turn it on. It will stay on until the power fails, then it will remain off until the button is pushed again.

Many motor contactor controls are configured that way to prevent injury from an unexpected machine start. It won't start until the button is pressed.
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