54 Series

Temperature, Vacuum, and Pressure Switches

The 54 Series line of temperature, vacuum, and pressure switches offers the OEM a combination of reliable performance and low cost. With single or dual SPDT outputs and enclosed or open frame (skeleton) construction, the 54 Series family provides design versatility.


The 54 Series temperature, vacuum, and pressure switches have been field-proven in a wide variety of OEM applications, including medical, laboratory, fire protection, and heating equipment.

  • ​ NEMA 1 or open frame construction
  • ​ SPDT or dual switch outputs
  • ​ Reference dial or hex adjustment
  • ​ Adjustable ranges:
    • 30″ Hg Vac to 6000 psi
      1 bar Vac to 414 bar
    • -130° F to 650° F
      -90° C to 340° C
  • ​ Approvals: UL, CSA, CE
  • ​ JIT delivery


Visit our Certifications Page for all 54 series Certifications

  • Compact design
  • ​Choice of one or two switch outputs
  • ​Reference dial or hex screw-type setting
  • ​Optional ½-inch NPT (male) by 1/8-inch NPT (female) polysulfone® pressure connection
  • ​Optional external manual reset
  • ​​Brass bellows models

Installations Manuals

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