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Old 07-11-2007, 03:51 PM   #1
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Default Bolted pressure Switch

I put together these seres of photos to help an electricia with a bolted pressre switch service, this switch is a Pringle NOW manufactured by Eaton.









While this is W


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Old 07-11-2007, 03:51 PM   #2
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and the 6th image is..........................



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Old 07-11-2007, 05:01 PM   #3
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Thanks, Brian.

Those pictures are worth their weight in gold, because that sort of information is darned hard to come across, unless you regularly service bolted pressure switches. Thanks
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Old 07-11-2007, 05:27 PM   #4
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Neat! I've never had the chance of working on anything like this.

I do like how you labeled the hand "human operator"
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Old 07-11-2007, 06:03 PM   #5
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Neat! I've never had the chance of working on anything like this.:
You will. There's about 40 ba-jillion of them out there. Between you and me, I'll take a fused bolted pressure switch over a breaker any day for big service equipment.
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Old 07-11-2007, 09:18 PM   #6
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Thanks Brian. We have the pringle switchs just like that. I have helped work on them one time. Scares me when I have to shut one off, then turm it back on.
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Old 07-10-2010, 12:33 PM   #7
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Quote:
Originally Posted by MDShunk View Post
You will. There's about 40 ba-jillion of them out there. Between you and me, I'll take a fused bolted pressure switch over a breaker any day for big service equipment.
Cheaper too!!
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Old 07-10-2010, 02:20 PM   #8
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Thanks Brian. We have the pringle switchs just like that. I have helped work on them one time. Scares me when I have to shut one off, then turm it back on.

YUP, YUP!!!!
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Old 07-10-2010, 02:25 PM   #9
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Thanks Brian, cool pictures
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Old 07-10-2010, 02:33 PM   #10
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Thanks for posting these pic's long before any of us were members here.
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Old 07-10-2010, 05:51 PM   #11
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Quote:
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Thanks for posting these pic's long before any of us were members here.


Is that your way of saying this thread is old?
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Old 07-10-2010, 08:10 PM   #12
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Is that your way of saying this thread is old?


I didn't realize this was a resurrection until he said that
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Old 07-10-2010, 09:12 PM   #13
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Quote:
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You will. There's about 40 ba-jillion of them out there. Between you and me, I'll take a fused bolted pressure switch over a breaker any day for big service equipment.
Besides being cheap what would your reasining be behind that?
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Old 07-10-2010, 10:01 PM   #14
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Why exactly is it called a "bolted pressure switch". Never heard that term before!
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Old 07-10-2010, 10:19 PM   #15
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Manufactured in sizes 400-6000 amp, they can be manually closed or closed and opened by charging springs (still manually operated by spring assisted for speed).

When the blades close there is a cam that operates to compress the movable contacts on the stationary contacts insuring a good connection, in the final position. Upon opening the cam operates to release the blade compression prior to opening.

http://www.nema.org/prod/be/lvde/switch/bolted/

Some decent articles on this page

http://www.google.com/search?client=...UTF-8&oe=UTF-8

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Old 07-10-2010, 11:27 PM   #16
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Nice pics. I've installed a few services with these, but I've never seen them taken apart.
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Old 07-10-2010, 11:30 PM   #17
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Quote:
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Is that your way of saying this thread is old?
Yep.
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Old 07-15-2010, 01:34 AM   #18
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nice pics,

Last edited by voltz; 07-15-2010 at 01:37 AM.
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Old 07-15-2010, 03:48 AM   #19
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I didn't realize this was a resurrection until he said that
Mate that video is really awesome.
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Old 07-15-2010, 05:30 AM   #20
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Hello !
I am also a new member. Would a newcomer be warmly welcome here? Good day you guy !

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