Intrinsically Safe

Temperature 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
  • Single or dual settings
  • Stainless steel or black anodised aluminium case to IP66/67
  • M20 electrical connection
  • Thermowell lengths from 38 to 1200mm
  • Capillary option 2 to 15 metres, 100mm to 600mm thermowells
  • Proven and documented SIL 2 IEC 61508 suitability
  • Manual reset option
  • Alternative microswitches
Guardian Intrinsically Safe Temperature Switch
T1100 & T1200 Rigid Stem -10 to +250°C
T1700 & T1800 Capillary -40 to +230°C

Titan Range – Extreme arduous applications

  • 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
  • Single or simultaneous dual settings
  • Stainless steel or black anodised case to IP66
  • Integral terminal block via M20 electrical connection
  • Thermowell lengths from 38 to 1200mm
  • Capillary option 2 to 15 metres, 100mm to 600mm thermowells
  • Proven and documented SIL 2 IEC 61508 suitability
  • Circuit monitoring resistors option
Titan Intrinsically Safe Temperature Switch
TF171 & TF172 Rigid Stem -10 to +250°C
TF175 & TF176 Capillary -40 to +250°C

Argus Range – OEM Suitability

  • 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
  • Single or simultaneous dual settings
  • PPS (engineering polymer) or stainless steel case to IP67
  • DIN 43650 connector or integral terminal block via M20 entry
  • Thermowell lengths from 100mm to 600mm.
  • Capillary lengths 2 to 15 metres.
  • Proven and documented SIL 2 IEC 61508 suitability.
Argus Intrinsically Safe Remote Mount Temperature Switch
TI575 & TI576 Capillary type only -40 to +250°C