lightning arrestors in high voltage arrays [RE-wrenches]

[Doug Pratt]

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Kirk, the LA 300 series isn't appropriate for voltages over 300. For
higher voltage intertie arrays, we've been using the LA 602 for several
years, which is rated for 440 to 600 volt systems. Now...whether they'll
actually do anything is whole 'nother can of worms, but they don't cause
any trouble. (And lightning is a fairly minor concern where I am on the
West Coast.)
http://www.deltala.com/prod03.htm 

Cheers,
Doug Pratt

-----Original Message-----
From: Kirk Herander [mailto:kirk at vtsolar.com] 
Sent: Friday, December 10, 2004 7:38 AM
To: RE-wrenches at topica.com
Subject: lightning arrestors in high voltage arrays [RE-wrenches]

 

Group,
Is the Delta 302 DC arrestor suitable for high voltage PV arrays? At
what
voltage does it "turn-on"? Any other suggestions for lightning
protection in
Sunnyboy systems?

thanks, Kirk

Vermont Solar Engineering
Kirk Herander
North American Board of Certified Energy Practitioners
Certified Solar PV Installer(TM)
Xantrex Certified Dealer Charter Member
NYSERDA-eligible installer
Vermont Solar and Wind Partner

PO Box 697
Burlington, VT. 05402
www.vermontsolar.com
www.backeastsolar.com
800.286.1252 - 802.863.1202
fax 802.863.7908

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