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Vacuum Switches

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

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...

142P8 NEMA 4X, 7, 9 & 13 Ultra Low Vacuum/Pressure Switch

142P8 NEMA 4X, 7, 9 & 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. Explosion proof enclosure and wide range of wetted materials makes this switch e...

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

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

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 ...

181P NEMA 4X, 7, 9 & 13 Vacuum Switch/Internal Adjustment

181P NEMA 4X, 7, 9 & 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

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...

182P NEMA 4X, 7, 9 & 13 Vacuum Switch/Tamper Resistant

182P NEMA 4X, 7, 9 & 13 Vacuum Switch/Tamper Resistant

Compact, versatile vacuum switch well suited for hazardous or corrosive atmospheres. For vacuum applications. Features efficient Nega-Rate® Belleville disc spring for stable set points and is field adjustable using 1/8" allen wrench. Once adjustments are ma...