What is 11 pin PLA relay? 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 › What is 11 pin PLA relay? 0 Vote Up Vote Down chetan shidling asked 6 years ago I need short information.