768-S Diaphragm Pressure Switch

Compact model for cleanliness and sterilization

Our Model 768-S diaphragm pressure switch is ideal for low pressure and vacuum applications, and its compact size allows it to meet tight space requirements. The Delrin® housing makes this switch an excellent choice when sterilization and cleanliness are necessary.

Features

  • Fixed pressure
  • Diaphragm
  • 26”Hg-125psig range
  • 3-125psig range


Advantages

  • Snap-action electrical switch tested to 1 million cycles
  • Available in brass and stainless steel
  • Exceptional accuracy and repeatability
  • Low hysteresis
  • Media compatibility

Applications

  • Emission and air quality monitoring
  • Load monitoring
  • Water systems

Specifications

  • Temperature range from -40 to 160°F
  • Pressure connection: 1/8"-27 NPT
  • At 28 VDC:
    • 7 amps resistive
    • 4 amps inductive
    • 2 1/2 amps lamp load
  • 3 terminal tabs #8 - 32 with SEMS screws
  • Delrin hydraulic housing
  • Aluminum electric module anodized
  • Nitrile, fluorocarbon and ethylene propylene
  • NEMA Type 2
  • 3 to 125 PSIG
  • 3 to 26 inches Hg
Operating Pressure Data
Series Range Number Pressure Range Tolerance On Set Pressure* Dead Band* Max System Pressure Proof Pressure
768-S  Hg - *  3" Hg - 26" Hg  ± 0.5  / ± 1.5" Hg  1.0" / 3.0" Hg  10 PSIG  15 PSIG
768-S  - *  3 - 125 PSIG  ± 1.0  / ± 2.5 PSIG  1.5 / 6.0 PSIG  150 PSIG  225 PSIG