Trip Circuit Supervision Relayक्या होता है ??? कैसे काम करता है??? Explained with Drawing

In this video, we are going to learn what is TCS Relay How it works.....Pre close Supervision & Post close supervision क्या होता है what is need of TCS relay in control panel. #electrical #electricalinterviewquestions #electricaldrawing #electricalengineering #electricaldepartment trip circuit supervision kya hota hai preclose supervision and post close supervision tcs relay trip circuit of circuit breaker