Series fusing for string installations [RE-wrenches]

[Barbra Kerr]

==========================================================
Extra! Extra! Read all about it! Get the latest weather,
sports, and lifestyle news you can't afford to miss, all
at a price you can afford to pay!  Click now!
http://click.topica.com/caaa9eYbz8Qcsbz9JC9a/TopOffers
==========================================================
William - 

SMA has both a combo dc disconnect/string combiner box OR just the string combiner box, which I prefer.  It is not cheap (over $200) but it works great and allows for independent string testing for maintenance & troubleshooting.  Also, with its independently switched fuseholders (i don't know what else to call them) placing/replacing fuses (KLKD 15amp) is safer
Than the traditional low voltage combiner boxes.  The first time I used it, I loved it. NEMA 3 Rated for vertical hanging only.

John it you're reading, could we please have the board installed (w/UL/CSA APPROVAL) into a PVC box, so that we could install under a module, or at least, flat on its back - for aesthetic reasons - Please!

BARBRA KERR 


-----Original Message-----
    From: "David Katz"<david at aeesolar.com>
    Sent: 8/1/05 3:04:11 PM
    To: "RE-wrenches at topica.com"<RE-wrenches at topica.com>
    Subject: Re: Series fusing for string installations [RE-wrenches]
      ==========================================================
    Extra! Extra! Read all about it! Get the latest weather,
    sports, and lifestyle news you can't afford to miss, all
    at a price you can afford to pay!  Click now!
    http://click.topica.com/caaa9eYbz8Qcscf6iRFa/TopOffers
    ==========================================================
    It seems to me that you can use the fused Square D 600 volt DC 
    disconnect (H361RB).  The output lugs are rated for 2 wires so you can 
    jump two poles together for one of the inverter input lugs and run the 
    other lug to the other inverter input.
    David
    David Katz
    President, AEE Solar
    formerly Alternative Energy Engineering
    1155 Redway Drive - Box 339
    Redway, CA 95560 USA
    (707) 825-1200
    (707) 825-1202
    email: david at aeesolar.com
    web: www.aeesolar.com
    
    
    William Miller wrote:
    
    >
    >
    > Now that it is more common to use higher rated battery-less grid-tie 
    > inverters, string fusing is now more of an issue.  For example, the 
    > SB6000 will require string fusing with a typical three string 
    > installation.
    >
    > I would like to use a combiner for this series fusing as well as for 
    > disconnecting means.  This means a combiner will need 600 V rating on 
    > all parts, rating for disconnection under load and a dead front.  
    > Anyone know of such a product?
    >
    > Williaim Miller
    >
    > -- 
    >
    
    
    - - - -
    To send a message: RE-wrenches at topica.com
    
    Archive of previous messages: http://lists.topica.com/lists/RE-wrenches/read
    
    List rules & etiquette: www.mrsharkey.com/wrenches/etiquette.php
    
    Check out participant bios: www.mrsharkey.com/wrenches/
    
    Hosted by Home Power magazine
    
    Moderator: michael.welch at homepower.com
    
    
    


- - - -
To send a message: RE-wrenches at topica.com

Archive of previous messages: http://lists.topica.com/lists/RE-wrenches/read

List rules & etiquette: www.mrsharkey.com/wrenches/etiquette.php

Check out participant bios: www.mrsharkey.com/wrenches/

Hosted by Home Power magazine

Moderator: michael.welch at homepower.com
--^----------------------------------------------------------------
This email was sent to: michael.welch at homepower.com

EASY UNSUBSCRIBE click here: http://topica.com/u/?bz8Qcs.bz9JC9.bWljaGFl
Or send an email to: RE-wrenches-unsubscribe at topica.com

For Topica's complete suite of email marketing solutions visit:
http://www.topica.com/?p=TEXFOOTER
--^----------------------------------------------------------------