... mechanism returns to an original status, where, as a result, such functions as liquid level control, ... second – level magnet is driven to move by a magnetic coupling effect. The third – level magnet ... receives that added force, and it increases to a certain length. The first – level magnetic switch ... / 347Flange connection: CS / 304 / 316L / 347Terminal box: A – alloy VRUQK – 6000 Series Model Selection