Finding the Cause of Solenoid Coil BurnOut Womack Machine Supply Company
Checklist for AC Solenoid Valves Burnout is more common on valves with AC coils than on those with DC coils because of the high inrush current. Until the armature on the solenoid can pull in and close the air gap in the magnetic loop, the current is often 5 times as high as the steady state, or holding, current after the armature is seated.