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Howdy Bill,
What you are witnessing is normal. An auxilary cooling fan is a relatively large inductive load accelerating a large mechanical load. It takes a great deal of current to overcome all that inertia.
If you are uitilizing a used relay, the contacts may be carboned, adding to the startup load. If the relay is new, what you see is probably the best it can be without resorting to a soft start circuit.
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Mr. Shannon DeWolfe -- I've taken to using mister because my name misleads folks on the WWW. I am a 52 year old fat man.
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