ATLANTIS Mechanical Pressure Switch AT500-7D/7DK

RM 0.00


Mechanical Pressure Switch (High Switching Frequency Type) AT500-7 Series


Atlantis Mechanical pressure switch AT500-7D/7DK pressure switch adopt NBR or SS316L diaphragm pressure sensor. This pressure switch is suitable for neutral gas, hydraulic oil, lubricating oil and light fuel oil pressure monitor and control.


  • OEM service
  • Suitable for low pressure control and monitor
  • High sensitivity – switching frequency up to 40 times/sec
  • Pressure sensor adopts NBR/SS316L diaphragm
  • Fixed/adjustable/narrow fixed dead band types are available for wide applications
  • Adjustable set point range 0 to 2.5MPa
  • Protection level IP65
  • Explosion-proof type available (option)


Main Specifications

  • Type: AT500-7D (Normal), AT500-7DK (Narrow dead band)
  • Pressure connection: Material: SS304 (standard), SS316/SS316L (option), Thread spec.: G1/4”(F)
    Other thread specification available upon request
  • Adjustable set point range: 0…2.5 to 2500 kPa
    For detail please refer to adjustable set point range table
  • Dead band: Fixed/Adjustable/Narrow fixed dead band
    For detail please refer to adjustable set point range table
  • Applicable fluid: Liquid and gas that compatible with SS304
  • Ambient temperature: -5°C to +40°C
  • Media temperature: 0°C to +90°C
  • Operating viscosity: < 1 x 10-3m2/s
  • Vibration resistance: AT500-7D: Max. 40m/s2, AT500-7DK: Max. 20m/s2
  • Protection level: IP65
  • Explosion-proof level (option): Exed II CT5~T6


Other Specifications

  • Installation: Bottom mount
  • Case: Die casting aluminum
  • Measuring elements: Diaphragm
    Diaphragm body material: NBR/SS316L, Diaphragm case material: Ly12/SS304
  • Switch type: SPDT micro switch
  • Switching frequency: 10 times/min, 40 times/min
  • Max operating pressure: 0.05/1.5/4/5Mpa
    (Vary from set point range)
  • Repeatability: ≤1.5%
  • Contact rating: AC220V, 6A (resistive load)
  • Service life: 2,000,000 cycles