Moshe:
We treat the 48V input as a secondary voltage with primary voltage
rules.  Therefore, you will have to hold to the _reinforced_ distances
for creepage and clearance.

Regards,

John R. Kretsch, P.E.
Compliance Engineering Supervisor
ADC Broadband Communications
[email protected] 


-----Original Message-----
From: [email protected] [mailto:[email protected]]
Sent: Wednesday, October 21, 1998 03:44
To: [email protected]; [email protected]
Subject: isolation of battery (72V max) input


Hello everyone,

What are creepage/clearance requirements between battery (60V nominal
which could go to 72V) 
conductors and SELV conductors? The equipment resides in "CO like"
environment.

thanks in advance,
Moshe
--------------------------------------------
Name: moshe valdman
E-mail: [email protected]
Phone: 972-52-941200
Telefax: 972-3-5496369
List-Post: [email protected]
Date: 21/10/98
Time: 0:44:10
You are most welcome to visit my homepage at:

http://www.geocities.com/CapeCanaveral/5233/
--------------------------------------------


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