Intrinsically Safe

Pressure switches - Intrinsically safe ATEX EExia certified for use in Category 1 (Zone 0) hazardous areas.

Guardian Range – Industry standard

  • Intrinsically safe certification ATEX CE Ex II1G EExia IIC T6
    Ta -50 to +78°C, T5 Ta -50 to +93°C, T4 Ta -50 to +128°C
  • Black anodised aluminium alloy or 316 st. steel housing, IP67 rated.
  • 1 x SPDT microswitch or 2 x SPDT microswitches for two switch level settings.
  • M20 electrical entry.
  • Proven and documented SIL 2 IEC 61508 suitability.
  • Adjustable deadband & manual reset pushbutton option
Guardian Intrinsically Save Pressure Switch
P1100 Ultra Low Pressure 2 mBar to 55 mBar
P1100 Low Pressure 10 to 500 mBar
P1100 Medium Pressure 0.1 to 12.4 Bar
P1100 Medium Pressure 0.1 to 34 Bar (flush diaphragm)
P1300 High Pressure 1.5 to 640 Bar

Titan Range

  • 'Intrinsically safe' certification ATEX CE Ex II 1GD EExia IIC
    T6 Ta -50 to +78°C, T5 Ta -50 to +93°C, T4 Ta -50 to +128°C.
  • Black anodised aluminium alloy or 316 stainless steel housing, IP66 rated.
  • 1 x SPDT microswitch or 2 x SPDT microswitches (simultaneous operation).
  • Integral terminal block via M20 electrical entry.
  • Proven and documented SIL 2 IEC 61508 suitability.
  • Circuit monitoring resistors option.
  • GOST (R) option.
Titan Intrinsically Safe Pressure Switches
PF266 Low Pressure 0.4 mBar to 16 mBar
PF261 Low Pressure 8 to 250 mBar
PF261 Medium Pressure 0.1 to 40 Bar - Maximum 50 Bar
PF261 Medium Pressure 0.15 to 27.5 Bar - (Ultra low deadband)
PF261 Medium Pressure 100 mBar to 32 Bar (flush diaphragm)
PF263 High Pressure 0.75 to 800 Bar - Maximum 1000 Bar

Argus Range – OEM suitability

  • Intrinsically safe' certification ATEX CE Ex II1G EExia IIC
    T6 Ta -50 to +78°C, T5 Ta -50 to +93°C, T4 Ta -50 to +128°C.
  • PPS (engineering polymer) or 316 stainless steel housing, rated IP67.
  • 1 x SPDT microswitch or 2 x SPDT microswitches (simultaneous operation).
  • DIN 43650 connector or integral terminal block via M20 entry or flying lead with M20 or ½" NPT male for direct connection to junction box.
  • Proven and documented SIL 2 IEC 61508 suitability.
  • Circuit monitoring resistors option.
Argus EExia Pressure Switches
PI560 Low Pressure 2 mBar to 500 mBar
PI510 Medium Pressure 0.2 to 22 Bar
PI510 Medium Pressure 0.1 to 22 Bar - (Flush diaphragm)
PI530 High Pressure 0.8 to 800 Bar

Perseus Range (*NEW!*)

  • ATEX CEII1G Exia IIC
    T6 Ta = -50 to +78°C & T5 Ta = -50 to +93°C & T4 Ta = -50 to +128°C
    II1D ExiaD 20 IP67 T200°C Ta = -50 to 70°C
  • Single or dual microswitch option
  • Calibrated adjustment scale
  • Black anodised aluminium switchcase to IP67 standards
Perseus EExia Pressure Switch
PF61 Low pressure 8 to 250 mBar
PF61 & PF62 Medium - High Pressure 0.1 to 420 Bar
PF61 & PF62 High Pressure 200 to 800 Bar