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Old 10-03-2008, 01:09 AM   #1
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Cutler Hammer QO vs CH box


I've been planing on purchasing the QO box. However I now see the CH box that has surge protection built in. I don't know if it is really the same box as the QO with just surge protection added or if there are other differences.

Any thoughts? Thanks so much
Jamie

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Old 10-03-2008, 06:58 AM   #2
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Cutler Hammer QO vs CH box


What do you mean "surge protection"? Can you provide a link?

QO is Square D and CH is Cutler-Hammer. They are not nearly the same.

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Old 10-03-2008, 08:13 AM   #3
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Cutler Hammer QO vs CH box


I wouldn't go for one that has "built in surge suppression"

Just because when the suppressor's metal oxide varisitor fails, it might be hard to find a replacement.
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Old 10-03-2008, 12:33 PM   #4
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Cutler Hammer QO vs CH box


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Originally Posted by Speedy Petey View Post
What do you mean "surge protection"? Can you provide a link?

QO is Square D and CH is Cutler-Hammer. They are not nearly the same.
Wow, ok, My screwup. Don't know how I got that confused.

Yes, it is the Cutler Panel that I was looking at. Cutler has all there info in a PDF file from what I can tell, The info on the surge panel is on page 18 of this PDF file:

http://www.eaton.com/ecm/idcplg?IdcS...me=TB00300001E

It is a 42 position box and actually physically looks similar to the QO box.

Do you think the QO is still the way to go, or should I consider this CH box?

Thanks
Jamie
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Old 10-03-2008, 12:34 PM   #5
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Cutler Hammer QO vs CH box


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Originally Posted by rgsgww View Post
I wouldn't go for one that has "built in surge suppression"

Just because when the suppressor's metal oxide varisitor fails, it might be hard to find a replacement.
Thanks, I will keep that in mind. I do think the surge suppressor component is somewhat modular and can be replaced in this box.
Jamie
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Old 10-03-2008, 01:11 PM   #6
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Cutler Hammer QO vs CH box


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Originally Posted by jamiedolan View Post
Yes, it is the Cutler Panel that I was looking at. Cutler has all there info in a PDF file from what I can tell, The info on the surge panel is on page 18 of this PDF file:

http://www.eaton.com/ecm/idcplg?IdcS...me=TB00300001E
Hey, that's pretty slick. I have never seen them but like the idea.

QO and CH are equally "top of the line" for residential work.
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Old 10-03-2008, 01:33 PM   #7
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Cutler Hammer QO vs CH box


Recently installed one of those... normally don't use CH, but homeowner works for Eaton and he supplied it. Pretty slick setup. Easy to replace the surge module if necessary, but don't know the $$ of a replacement.
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Old 11-18-2008, 12:31 AM   #8
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My CH4200BR did not come with the built in surge protection since I found that option after purchase, but I am adding a CHSPULTRA Surge device in the panel this week.

There is no replacement cost. If it fails or gets tripped Eaton/ C-H replaces it free. You can wire it for an audible alarm if you so choose.

I have seen the loadcenter with the factory installed kit fairly cheap on Ebay.

Last edited by nomad4137; 11-18-2008 at 12:33 AM.
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Old 08-04-2009, 04:53 AM   #9
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Bought a CHSUR42B200L2 today from Yesco for my Parents home. It is meant to replace their current Federal box. Service from the Poco in this area is constantly causing surges that have damaged components in the house on occasion.

With shipping cost was a little north of $250.00

Was just in Neenah, WI. for Oshkosh & landed at Brennand Airpark!

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Old 08-04-2009, 01:05 PM   #10
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Where ya been Jamie. It's been awhile......John
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Old 08-06-2009, 02:37 PM   #11
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Where ya been Jamie. It's been awhile......John

Hi John;

I've spent the summer on Landscaping projects. It's been quite alot of work landscaping our little 1/3 acre yard. I'll have to post some photos up here somewhere on the DIY site.

How's the summer been going for you?

Jamie
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Old 08-06-2009, 03:07 PM   #12
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Cutler Hammer QO vs CH box


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Originally Posted by nomad4137 View Post
Service from the Poco in this area is constantly causing surges that have damaged components in the house on occasion.
If it's not lightning, surge protectors won't help.
Electricians in my building put something over 120v into our outlets for quite a while and fried every computer surge protector on the floor, pretty well stinking up the place.
A surge is "short duration" and the standard lightning strike current waveform is about 30 ÁSec long to the half-peak value.

It could also be a bad neutral.

You might ask that PoCo install a recording voltmeter at the place for a week and show you the graph.

Last edited by Yoyizit; 08-06-2009 at 03:41 PM.
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Old 08-07-2009, 11:14 AM   #13
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Cutler Hammer QO vs CH box


This is what protects the Load Center I ordered.

Cutler-Hammer CHSPUltra

3500 Joules

180,000 Amps (Maximum Surge Current)

<1 Nanosecond Response Time
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Old 08-07-2009, 10:15 PM   #14
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This is what protects the Load Center I ordered.

Cutler-Hammer CHSPUltra

3500 Joules

180,000 Amps (Maximum Surge Current)

<1 Nanosecond Response Time
That's pretty good. Here's spec's on Florida's PoCo protection, and they get a lot of strikes.
4000 joules, total
80,000 amps, max
Insurance, $5k per item
$9/mon for this thing gives you a 10 yr warranty and the
design lifetime = 10 yrs.

Assuming the FL PoCo makes 7%/yr [0.6%/mon] on their money, using the Present Value of an Annuity formula,
"If you were to receive $9.00 every . . .[month] . . .for the next 120 [months], and you continually reinvested this amount at a rate of 0.6%, the total series of cash flows at the end of the annuity's life would be worth $768.30 today."

Some of this ~$800 goes into insurance for the items wrecked despite the protection, some for the device and some goes into PoCo's installation cost.

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