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What is the function of the skip lock relay in the tripping circuit?
Apr 01, 2018

The function of the self-locking relay in the tripping circuit is to enable the main contact of the breaker to disconnect earlier than the auxiliary contact. and the main contact once disconnected, protection relays will return, if there is no constant open contact to form a self-maintenance, the protection of the outlet contact will be disconnected from the trip in the current and burned, so since the maintenance of contact, Can play a protective role.