Normally closed contact

June 26, 2023

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Normally closed contact

When the relay is not energized, the closed contact is a normally closed contact.

When the components such as the stroke switch and the pressure relay are not subjected to external force, the contact in the open state is the normally open contact, and the contact in the closed state is the normally closed contact.

The so-called relay coil does not have electricity or the switch that supplies power to the relay coil is in an open state. The normally open contact of the relay itself is in an open state, and the normally closed contact is in a closed state.

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