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United Electric J120-488-M201-M446-CC2 ATEX 120 Series Pressure Switch

The 120 Series offers a variety of pressure, vacuum, differential pressure and temperature ranges, as well as process connections, wetted materials and sensor types. With a common flexible platform, models can quickly be adapted at the factory for special requirements, such as ranges, process connections and electrical ratings. Typical industries using 120 Series switches include chemical, petrochemical, refinery, oil and gas production and transmission, and pharmaceuticals.


  • ATEX certified
  • One SPDT; epoxy coated enclosure; internal adjustment with no reference scale, dual conduits
  • Enclosure: Die cast aluminium, epoxy powder coated; gasketed; cover lock; internal set point lock as standard
  • Certified to enclosure type 4X. Class I, Division 1 product meets enclosure type 7; Class II, Division 1 product meets enclosure type 9. Certified to IP66 requirements
  • Electrical Connection: Two 3/4″ NPT E/C; terminal block standard
  • 316L stainless steel diaphragm (optional Hastelloy® C 276 or Monel® 400)
  • Viton®GLT O-Ring (optional Kalrez®, Ethylene Propylene or Aflas®)
  • 316L stainless steel 1/2″ NPT (female) pressure connection (NACE MR-0175 compliant)
  • Adjustable Set Point Range: 50 to 1000 psi (3,4 to 68,9 bar)
  • Factory set one switch
  • Stainless steel ID tag & wire attachment; limited to 2 lines of 25 characters each max
  • Comes with Certificate of Conformance
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