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General purpose pressure switch and thermostat / hermetic Series 100

The H100 Series pressure switch is a perfect combination of efficiency and cost of a pressure switch or thermostat type ideal for plant and machine manufacturer installations. The robust, one-piece construction of its protective housing also facilitates access to the electrical connections.

The wide range of microswitches and process fitting options makes this versatile series an ideal choice for pressure switch applications with weather protection.

Typical applications for this type of Series 100 pressure switch are electrical tracing (heating), antifreeze protection, process equipment (pumps, compressors), alarm panel inputs and fire suppression systems.

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Adjustable ranges

  • Pressure: -1 to 344.7 bar
  • Differential pressure: 0.5 mbar to 34.5 bar
  • Temperature: -117.8 to 343.3 ° C

Temperature ranges– 118 to 343 ºCProtection4XPressure connections1/4 “NPT H or 1/2” NPT HContact materialsBrass or AISI 316 (option Hastelloy, Mónel or Tantalum)Torric materialBuna N, Viton, Teflon, etc


  • Wide variety of pressure, vacuum and differential pressure sensors
  • Compatibility with various products in contact


  • Wide deadband and adjustable pump switch models
  • Available in intrinsically safe version (ATEX)


  • Ranges up to 5000 psi (345 bars), 500 psid (35 bars) and 340 °C
  • A single alarm point SPDT or DPDT
  • Epoxy coated box
  • Sanitary connection 1,5 “or 2” welded on AISI316 compatible with Tri Clamp

Technical specifications


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