Maintenance for the relay
Checks are to be carried out on relay contacts for damage due to arcing.
Polish the contact with emery paper to remove rust and deposits.
Check the closing linkage for free movement.
Check the continuity of the contacts with a multimeter
There are arc chutes provided to quench the arcing. Check for burnout of the same.
Check the tension of the spring.
Open circuit and short circuit tests are to be performed on the coil by a multimeter.
Check the continuity of the trip circuit with a multimeter.
Check the tightness of the supply terminals.
Log in with Google
Log in with LinkedIn
Don’t have an account?
Accessing this course requires a login. Please enter your credentials below!
Username or Email Address
Lost Your Password?
Don't have an account? Register one!
Register an Account