Although AC contactors themselves do not indicate an expiration date, prolonged disuse may cause internal parts to rust or oxidize. To prevent this, it is recommended to take the following measures during storage:
1. Ensure the storage environment is dry and well-ventilated, and avoid direct sunlight as much as possible.
2. Regularly inspect the stored AC contactors to ensure they are in good condition.
3. If any abnormalities are found, such as rusted parts or poor contact, they should be addressed or replaced immediately.
