SJE MegaMaster®, 10m, internally weighted, sewage float. Mechanically-activated, narrow-angle control float monitors liquid levels and activates pump control panels for municipal water and sewage applications. Internal switching mechanism has unique gold cross-point contacts for reliable control of current up to 1 amp. Large, twin wall tear drop shaped design offers increased buoyancy. 3-wire cable – SPDT (Single Pole, Double Throw) can be wired as normally open (high levels) or normally closed (low levels).