તેનું કારણ શું છે બોક્સ-પ્રકાર પ્રતિકાર ભઠ્ઠી trips under normal heating conditions?

1. The switch is damaged;

2. The electric resistance furnace leaks and the protection switch works;

3. Short circuit caused by the burning of the furnace wire;

4. The switch current is overloaded and tripped.