Hi Duke,
Thanks for the info. Yeah my car has two auxiliary fans in front of the condenser. I live in Southern California and on the hotter days, over 100 F, If I am not traveling fast enough the car starts to run pretty hot. So around town or in stop and go traffic it runs pretty hot and even hotter with the A/C running.
I have twin turbos and a radiator/shroud upgrade planned to handle the extra heat. The fan I am adding has a PWM controlled variable rpm capability and it's brushless for a long service life. Eventually I'm also adding an electric A/C compressor and an electric smog pump. All those goodies need a higher amperage alternator so that is what prompted my question about the OVP.
If no one knows the spec for the breakdown voltage, I'm going to bench test one with a power supply to see how it behaves with increasing voltage input.
Thanks,
Kurt
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