ATLANTIS Mechanical Pressure Switch AT511-7DEx

RM 0.00


Explosion-proof Mechanical Pressure Switch AT511-7DEx


Atlantis Mechanical pressure switch AT511-7DEx adopts SS316L bellow/diaphragm as measuring elements. ATLANTIS Mechanical Pressure Switch AT511-7DEx is suitable for corrosive gas and liquid measurement.



  • OEM service
  • Explosion-proof pressure switch
  • Adjustable set point range -0.1 to 6.3MPa
  • Suitable for using in corrosive media
  • Fixed / adjustable dead band types are available for wide applications
  • Protection level IP65


Main Specifications

  • Pressure connection: Material: SS304 / SS316, Thread spec.: G1/2”(F)
    Other thread specification are available upon request
  • Adjustable set point range: For detail please refer to adjustable set point range
  • Dead band: Fixed/Adjustable dead band
    For detail please refer to adjustable set point range
  • Applicable fluid: Liquid and gas that compatible with pressure connection
  • Ambient temperature: -40°C to 50°C
  • Media temperature: 0~120℃
  • Media viscosity: < 1 x 10-3m2/s
  • Vibration resistance: Max. 20m/s2
  • Protection level: IP65
  • Explosion-proof level: Exde II CT4~T6


Other Specifications

  • Installation: Bottom mount
  • Case material: Die casting aluminum
  • Measuring elements: Bellow
  • Switch type: SPDT micro switch
  • Switching frequency: 20 times/min
  • Max. operating pressure: 1 / 2 / 5 / 8.5MPa
    (Based on adjustable set point range)
  • Repeatability: ≤1%
  • Contact rating: DC250V, 0.25A (resistive load, @60Wmax), AC250V, 5A (resistive load, @1250Wmax)
  • Service life: 2,000,000 cycles