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Switchgear Riddle No.21 - Neutral switching
which method is best for switching tha Neutral - 3 pole Auto transfer switch with overlapping neutral cont actors OR 4 pole auto transfer switch ? Explain.
Author : Soman - From: India
 
#1
Wed, April 9th, 2014 - 17:17
 
Author : Hamid - From: Iran
 
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