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142P NEMA 4 & 13 Ultra Low Vacuum/Pressure Switch

Ultra low pressure and vacuum to pressure crossover switch. Unique construction using efficient Nega-Rate® Belleville disc spring for stable set points and high proof pressure. Wide range of wetted materials makes this series well suited for applications th...



180P NEMA 4 & 13 Vacuum Pressure Switch/Internal Adjustment

Adjustable vacuum switch with efficient Nega-Rate® Belleville disc spring sensing mechanism. Weather proof enclosure and stable set points makes this switch ideal for a wide variety of applications.



181P NEMA 4X and 13 Vacuum Switch/Internal Adjustment

Compact, adjustable vacuum switch well suited to numerous applications. Our efficient Nega-Rate® Belleville disc spring offers superior set point stability and vibration resistance. The 181P series vacuum switch also has a selectable deadband feature which ...



182P NEMA 4 & 13 Vacuum Switch / Tamper Resistant

Compact, versatile vacuum switch suited to numerous applications. Features efficient Nega-Rate® Belleville disc spring for stable set points and is field adjustable through the pressure port. Once adjustments are made and switch is installed, it becomes tam...