NS141-A10 / NS141-B10 Series NCC National Controls Corp Liquid Level Boards
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- NS141-A10 / NS141-B10 Series NCC National Controls Corp Liquid Level BoardsIn Model NS141-A10 (Pump Down) the load is de-energized until the liquid reaches the high probe. When liquid touches the high probe, the load is activated until the level drops below the low probe.In Model NS141-B10 (Pump Up) the load is energized until the liquid reaches the high probe. When liquid touches the high probe, the load is de-activated until the level drops below the low probe.On both models a red light is activated when the load is off. If the tank is non-conductive, a third (common probe must be installed at a level where it will always be submerged.
