Neo-Dyn Datasheets for Vacuum Switches

Vacuum switches are a type of pressure switch that functions in the vacuum end of the pressure spectra. They measure vacuum pressure (negative pressure). 
Vacuum Switches: Learn more

Product Name Notes
Vacuum Pressure Switch with Internal Adjustment - NEMA 4 & 13 -- 180P 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. Specifications Electrical:...
Vacuum Switch with Internal Adjustment - NEMA 4X & 13 -- 181P
Vacuum Switch with Internal Adjustment - NEMA 4X, 7, 9 & 13 -- 181P
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...
Tamper Resistant Vacuum Switch - NEMA 4 & 13 -- 182P 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...
Tamper Resistant Vacuum Switch - NEMA 4X, 7, 9 & 13 -- 182P 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"...
Ultra Low Vacuum Pressure Switch - NEMA 4X, 7, 9 & 13 -- 142P8
Ultra Low Vacuum Pressure Switch - NEMA 4X, 7, 9 & 13 -- 142P8
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...
Ultra Low Vacuum Pressure Switch - NEMA 4 & 13 -- 142P
Ultra Low Vacuum with Pressure Switch - NEMA 4 & 13 -- 142P
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...