Intrinsically Safe

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

Guardian Range – Industry standard

  • Intrinsically safe certification ATEX CE Ex II1G Exia 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.
  • Single or two level switch points.
  • M20 electrical entry.
  • Proven and documented SIL 2 IEC 61508 suitability.
  • Adjustable deadband & manual reset pushbutton option
Guardian Intrinsically Safe Pressure Switch
P1100 Ultra Low Pressure 2 mBar to 55 mBar
P1100 Low Pressure 8 to 250 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 II1G Exia IIC
    T6 Ta -50 to +78°C, T5 Ta -50 to +93°C, T4 Ta -50 to +128°C.
    CE Ex II1D ExiaD 20 IP66 T200°C Ta -50 to +70°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 Switch
PF266 Low Pressure 0.25 mBar to 16 mBar
PF261 Low Pressure 8 to 250 mBar
PF261 Medium Pressure 0.15 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 900 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 Switch
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

  • 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
  • Proven and documented SIL 2 IEC 61508 suitability.
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