The Whitman Controls J205LV NEMA 4 High Vacuum Low Set Point Vac¬uum Switches are among our most versatile offering, affording the end user an extensive operating environment and a wide range of set point optionality. These switches can be exposed to severe vacuum without compromising integrity or switch functionality. The J205LV is the NEMA 4 rated weather-proof, liquid-resistant version of the J205G, suitable for outside applications or in areas of condensing humidity. Uses include gas bottle change switches and oil or water supply control. They are frequently used in pump and reservoir applications. The internals are stainless steel with a diaphragm o-ring that is available in numerous compounds.

Key Features:

• Overpressure feature, allowing the switch to be subject to high pressure without compromising integrity
• Weather-proof and liquid resistant
• NEMA 4 Rated
• Set point options: Factory set, field adjustable, or a combination
• Extensive operating temperature range
• Wide range of electrical interfaces available
• SPDT or SPST availability
• Wide range of set point optionality

Specifications:

• Set point range: 1.6 to 28.2 InHg
• Max System pressure: 5,000 PSIG
• Temperature range: -65°F to +225°F (-54°C to +107°C)
• Amps: 5 Amps Max
• Sensor Element: Diaphragm
• Weight: 4.0 oz (varies slightly with electrical interface selection)
• Wetted Parts:
  Diaphragm: 316 Stainless Steel
  Seal: Loctite #271
  Body / Fitting: 303 Stainless Steel
  O-Ring: Buna N Standard (Special material available upon request)
  Standard Thread: ⅛-27 NPT male