Siemens Temperature Controller ROB50.221xx

The ROB50.221… is an electronic proportional temperature controller with 2 fixed setpoints. It controls oil preheaters having a power consumption of 60 … 200 Watts. A built-in release switch is activated at about 15 °C below the adjusted set point. An undervoltage stage opens the release switch when voltage drops below the threshold value.

  • Control of oil preheaters used with oil burners
  • Control of heat output

** For other enquiries, please consult JATI