SIRIUS Temperature Monitoring Relays

digital adjustable

These relays monitor temperatures for exceedance and shortfall or within a specific operating range (window function). The devices also present a good alternative to temperature controllers in the low-end range.


Advantages at a glance

  • Easy operation without complicated menu guidance

  • 3-digit LED display for indication of the temperature

  • Connection option for resistance sensors in 2- or 3-conductor technology

  • Galvanic isolation with wide voltage supply versions

  • Availability of versions in °C and °F (switchover from
    °C to °F possible with IO-Link versions)


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