Diaphragm vacuum switch P88V

adjustable

The Whitman Controls P88V Economical Vacuum switches are typically used in applications where reliable switch control supersedes accuracy of set point. These switches can be used in dry indoor applications or placed within an enclosure. Controlling on and off functions for fans and pumps where one may need a wide differential to prevent over-cycling is an ideal application use for the P88V. Key Features: •Set point options: Factory set, field adjustable, or a combination •Extensive operating temperature range •Wide range of electrical interfaces available •SPDT or SPST availability Specifications: • Set point range: 6.0 to 28.0 inHg • Max System vacuum: 29.9 InHg • Temperature range: -31oF to +185oF (-35oC to +85oC) • Amps: 1 - 25 Amps • Sensor Element: Diaphragm • Weight: 7.4 oz (varies with electrical interface selection) • Cycling: Not to exceed 100 CPM • Wetted Parts: Diaphragm: Buna N and Brass Seal: Loctite #271 Body with Fitting: Zinc alloy, chromate finish Standard Thread: ¼-18 NPT Male Optional Thread: ¼-18 BSP male, ⅛-27 NPT male