ECN Electrical Forum - Discussion Forums for Electricians, Inspectors and Related Professionals
ECN Shout Chat
ShoutChat Box
Recent Posts
Questioning the electrical norms
by HotLine1 - 03/04/21 12:35 PM
Lock-down Thread
by gfretwell - 03/03/21 12:38 PM
Northern Tool Recalls Powerhorse Generators
by Admin - 02/25/21 09:49 PM
You will never guess
by gfretwell - 02/25/21 07:48 PM
New in the Gallery:
Facebook follies, bad wiring
FPE in Germany pt.2
Who's Online Now
0 registered members (), 16 guests, and 18 spiders.
Key: Admin, Global Mod, Mod
Previous Thread
Next Thread
Print Thread
Rate Thread
Page 1 of 2 1 2
Kohler Generator 120V, 7.5KW #171503 11/29/07 04:42 PM
Joined: Jul 2001
Posts: 311
F
Frank Cinker Offline OP
Member
We have a 40 year old, 120 volt, 7.5 KW, (62.5A) Kohler transfer switch at one of our facilites. The generator operates fine but the automatic transfer switch needs replaced. Are 7.5 KW (62.5A) 120 volt transfer switches manufactured now days?

Frank

Work Gear for Electricians and the Trades
Re: Kohler Generator 120V, 7.5KW [Re: Frank Cinker] #171506 11/29/07 07:51 PM
Joined: Apr 2002
Posts: 7,235
HotLine1 Offline
Member
Frank:
Did you try Kohler.com, or look for a local Kohler Gen dealer/service shop & inquire.



John
Re: Kohler Generator 120V, 7.5KW [Re: Frank Cinker] #171507 11/29/07 07:51 PM
Joined: Jul 2007
Posts: 1,335
S
sparkyinak Offline
Member


"Live Awesome!" - Kevin Carosa
Kohler Generator 120V, 7.5KW [Re: sparkyinak] #171533 11/30/07 06:20 AM
Joined: Jul 2001
Posts: 311
F
Frank Cinker Offline OP
Member
Thank you for the link,however I couldn't find any 120V rated automatic transfer switches listed. Could I use a 120/240V rated switch for my 120V application?

Re: Kohler Generator 120V, 7.5KW [Re: Frank Cinker] #171538 11/30/07 12:04 PM
Joined: Jun 2007
Posts: 301
J
JValdes Offline
Member
If you cannot find one, build one. Do you have someone in your company that can do this? It's a simple project.

Re: Kohler Generator 120V, 7.5KW [Re: JValdes] #171539 11/30/07 01:17 PM
Joined: Jul 2004
Posts: 9,571
G
gfretwell Online Content
Member
JV
Wouldn't the lack of a U/L evaluation (or other NRTL) be a problem?

It might be cheaper/easier to fix the one he has. What's wrong with it? Are the parts available?
It is possible a "120v" version is just a 240 with some contacts removed. For that matter I am not really sure why you couldn't just use the 240v version and not hook up one phase. The function is the same.


Greg Fretwell
Re: Kohler Generator 120V, 7.5KW [Re: gfretwell] #171549 11/30/07 04:23 PM
Joined: Jul 2001
Posts: 311
F
Frank Cinker Offline OP
Member
Greg,

Considering it is 40 years old, our plan is to replace it. My initial thought was, why wouldn't a 120/240V switch work. But just to be sure I called the Kohler generater local distributer in my region. I expect a return call when I get to my office on Monday.

Frank

Re: Kohler Generator 120V, 7.5KW [Re: Frank Cinker] #171597 12/01/07 01:38 PM
Joined: Jun 2007
Posts: 301
J
JValdes Offline
Member
gfretwell,
I guess I am just so used to building my own stuff. Working primarily in industry for the last 18 years, I just always built my own control panels and rewired many machines. Once I learned to draw my own schematics and implementing them, I just never purchased factory built equipment in most cases. And when your company knows you can do it, you are doing it.
You are right about the 240 volt, same thing. I also, wonder what is wrong with the old one. Maybe the 40 year old enclosure is the issue. Who knows.
As far as UL approved I am not sure how that plays out in a plant. We kinda always figured if it was on our side, we could do pretty much anything we wanted. Of course we always put safety first. Mechanical, electrical interlocks, Emergency controls etc....

Re: Kohler Generator 120V, 7.5KW [Re: JValdes] #171602 12/01/07 02:52 PM
Joined: Jul 2004
Posts: 9,571
G
gfretwell Online Content
Member
I am not a code cop, I just play one on the internet wink

To be honest, I have built a lot of stuff around my house too but I do try to make it as code compliant as possible, just to make it easy when I am gone.
I was just trying not to say he would be "fine" cobbling something up in the shop.
I agree if you used listed components within their parameters it should be safe.


Greg Fretwell
Re: Kohler Generator 120V, 7.5KW [Re: gfretwell] #171603 12/01/07 03:03 PM
Joined: Jul 2004
Posts: 9,571
G
gfretwell Online Content
Member
Frank, if they faxed you a page of "instructions" on company stationary saying you could hook up one phase (120v) to the switch you should be OK, no matter how pedantic an inspector was.


Greg Fretwell
Page 1 of 2 1 2

Featured:

2020 National Electrical Code
2020 National Electrical
Code (NEC)

* * * * * * *

2020 Master Electrician Exam Preparation Combos
2020 NEC Electrician
Exam Prep Combos:
Master / Journeyman

 

Member Spotlight
Alan Belson
Alan Belson
Mayenne N. France
Posts: 1,803
Joined: March 2005
Show All Member Profiles 
Top Posters(30 Days)
Popular Topics(Views)
275,730 Are you busy
209,645 Re: Forum
196,989 Need opinion
Powered by UBB.threads™ PHP Forum Software 7.7.3