UE 120 Series SIL-Certified Switches for Hazardous Area or Harsh Environment Service

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Price $372.00
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Rugged pressure, differential pressure and temperature switches for Div 1 and Div 2 hazardous environments. Single SPDT or dual SPDT switch output, internal adjustment, or external adjustment with reference scale or dial, NEMA 4X enclosure, sensor materials to meet media and environmental requirements, UL, ATEX, NACE approved, CE compliant, SIL 2 Certified, SIL 3 capable

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Meeting hazardous location requirements through adherence to UL, ATEX, and IECEx standards, United Electric's 120 Series is the choice where potentially explosive or highly corrosive atmospheres exist, specifically in the chemical, petrochemical, refinery, oil and gas production and transmission industries.

  • Pressure ranges from 30" HgVac to 6000 PSI, differential pressure ranges from 30" Hg to 1000 PSI, temperature ranges from -180° to 650°F
  • One or two SPDT outputs standard, optional DPDT or hermetic seal switch outputs available
  • Easy-access terminal block to simplify wiring
  • NEMA 4X epoxy-coated cast aluminum enclosure
  • UL approvals for Class I, Divisions 1 and 2 environments, ATEX approved, CE compliant
  • EXIDA Certified for use in SIL 2 functional safety systems, (SIL 3 capable)
More Information
SIL-Rated Yes
Measured Variable Differential Pressure, Gauge Pressure, Vacuum/Compound Pressure, Temperature
Enclosure/Construction NEMA 4X, Div 1 Hazardous, Div 2 Hazardous
Switch Output SPDT, Dual SPDT
Sensor Type Bellows, Diaphragm, Piston, Immersion Stem, Bulb and Capillary
Adjustment External Adjustment, Internal Adjustment, Reference Scale/Dial
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