However, since the voltage and current applied to the solenoid are increasing in a graduated fashion, {HEAD ~ the voltages} and currents supplied to the solenoid during the transition period for contact closure are limited to {TAIL ~ levels} which are only slightly greater than the minimum levels required for activation of the contactor 
are limited to
However , since the voltage and current applied to the solenoid are increasing in a graduated fashion , { HEAD ~ the voltages } and currents supplied to the solenoid during the transition period for contact closure are limited to { TAIL ~ levels } which are only slightly greater than the minimum levels required for activation of the contactor
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH