John -
Try the test at a phase angle of 0 or 180 degrees. You should come a lot
closer to your calculated inrush current of 56.6. You are making the mistake
of seeing the input section of the power supply as a straight resistance
circuit. It is more inductive and will behave differently when the
The inrush currents I have dealth with in the past were determined by I = C x
dV/dt primarily determined by the input EMI filter's capacitance.
RCIC - http://www.rcic.com
Regulatory Compliance Information Center
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