sp, موانئ دبي, شارع, وظائف DT في المفاتيح الإلكترونية
In electronic switches, “sp” stands for “Single Pole,” “موانئ دبي” stands for “Double Pole,” “شارع” stands for “Single Throw,” and “DT” stands for “Double Throw”; essentially describing how many independent circuits a switch can control (“pole”) and how many positions it can switch between (“throw”) within a single switch mechanism.