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Unread 07-03-2001, 01:38 PM   #3
hielko
Cooling Savant
 
Join Date: Feb 2001
Location: The Netherlands
Posts: 108
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I don't think that protection diodes are needed. Most people use a 5A relay for only one pump. So there is plenty of room for a little current surge. (most pump use only 25-50W while the relay can handle 500W more!)
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