Originally Posted by funola

I question the 43 amps measurement of the pull in coil. You used a cheap ebay DC clamp on meter as I recall. I am not sure how accurate that meter can measure a signal that is a few micro seconds long. I know the hold coil is around 8 amps (measured in series with a digital ammeter), so my guess is the pull in coil is not much more than that. Maybe you can measure the resistance of the pull in and hold coil and calculate what the currents should be?