Why breakdown voltage in AC is different from breakdown voltage in DC while using isolator? Warning: Trying to access array offset on false in /home3/indiakep/public_html/wp-content/plugins/dw-question-answer/inc/Template.php on line 8 All Questions › Category: Switchgear And Protection › Why breakdown voltage in AC is different from breakdown voltage in DC while using isolator? 0 Vote Up Vote Down Chetan Shidling Staff asked 5 years ago I need short information.