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:

• Consistent switch control
• 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 pressure: 0 PSIG
• Max System vacuum: 29.9 InHg
• Temperature range: -31°F to +185°F (-35°C to +85°C)
• Amps: 1.25 Amps Max
• 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
  Optional Thread: ¼-18 BSP male, ⅛-27 NPT male