Over current protection for charge controllers [RE-wrenches]

William Miller wrmiller at slonet.org
Fri May 9 14:19:31 PDT 2003


Friends:

I know this has been covered before, but in a different context.  I am
installing a Xantrex Integrated Power Panel.  It has one C-40 charge
controller. The battery positive lead connects to the bottom of the GJ250
circuit breaker.  The top of the breaker connects to the inverter AND to
the C-40.  Shouldn't the C-40 have over current protection of a lower
value?  It is protected now at 250 amps.  I figure it needs to be about 60
amps (40*1.56=62.4).

Also, Xantrex prewires the C-40 input through a 30 amp DC breaker.  This is
not right either, to my knowledge.  That breaker should also be 60 amps.

I don't know if we have a Xantrex rep. on the list anymore.  I hear Pagan
is gone, and, as I recall, Ezra also.  It would be nice if Xantrex
responded, but I of course value input from the rest of you
installer/engneers.

Thanks,

William Miller


__________________________________________________________________
William Miller
Miller Power and Communications
PO Box 50, Santa Margarita, CA 93453
Voice :805-438-5600     Fax: 805-438-4607	
email: wrmiller at slonet.org
http://millerpowerandcomm.com
License No. C-10-773985
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