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DescriptionThe E10 & E20 loss of prime pressure switches are solid-state digital pressure switches specifically for the control and protection of domestic and industrial pressure pumps and air compressors.
Pressure switches normally have two set points, a low pressure cut in point and a high pressure cut out point. A pump under the control of such a switch operates between the two set points. If pressure is lost due to the pump running dry or due to a burst pipe the pump will continue to run simply because the pressure switch remains on. In such a situation the pump will invariably sustain substantial damage due to being run dry. The E10 & E20 pressure switchesaddress this problem by providing a third adjustable switch point that can be set below the normal operating range to turn the pump off and prevent it being damaged if it runs dry.
Download a datasheet on the E10 Pressure Switch here..
Download a datasheet on the E20 Pressure Switch here..
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