Over current protection for charge controllers [RE-wrenches]

[Eric Smiley]

I agree with Mathew. The other problem with tripping or opening the main
breaker is that the inverter is now be exposed to open circuit array
voltage.

I too use a breaker on both sides of the charge controller and join them
together. However, if the controller input breaker and the main DC
disconnect breaker are ganged together then this isn't necessary.

Eric Smiley
Project Leader
Photovoltaic Energy Applied Research, Technology Centre
British Columbia Institute of Technology
Burnaby Campus

NE25 - 3700 Willingdon Avenue
Burnaby, British Columbia
Canada V5G 3H2

phone: 604.432.8657    fax: 604.436.0286
esmiley at bcit.ca             www.tc.bcit.ca

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