Roll over image to zoom in

United Electric J120K-36-M201-QC1-BR30 ATEX 120 Series Differential 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
  • Buna N diaphragm and O-Ring with 316 stainless steel 1/4” NPT (female) pressure connections
  • Adjustable Set Point Range: 3 to 30 psid (0,2 to 2,1 bar)
  • Factory set one switch.
  • Comes with Test Certificate.
  • Adapter 3/4” NPT to M20, in Brass (EEx approved). Used to convert United Electric 120 units electrical connection to M20.
Purchase Product