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We offer both Horizontal and Vertical Single Point Level Switches.
A magnetic float travels up and down the stem between float stops actuating or de-actuating a dry contact reed switch encapsulated inside the stem. When the magnetic field comes in close proximity to the reed switch, the contact closes.
Switch operation is determined in a dry condition with the installation fitting up and the float at rest against the lower float stop.

Normally Closed (NC): Switch will open on the rise of liquid and close on the fall of liquid.
Normally Open (NO): Switch will close on the rise of liquid and open on the fall of liquid.
NOTE: Madison switches are supplied in the normally closed (NC) position, unless otherwise specified.
For more information on these switches check out this Video.
Title: How do the Madison Single Point Level Switches work?
Description: Information on how the Single Point Level Switches operate.
Published: 9/5/2013
Last Edited: 9/18/2013
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