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Overheating/overcooling switch unit with advanced functions RFSTI-111B

EAN: 8595188149150 | Code: 4915


  • The component measures temperature in the range of 15 to 35 °C with an external sensor and on the basis of the set temperature switches air conditioning.
  • It is particularly suitable for hotel rooms.
  • With the Window/Door sensor programmed, when the window/door is opened, the device relay contact is automatically disconnected, thereby saving unnecessary energy consumed for cooling when the window/door is open.
  • It enables connection of the switched load up to 12 A (3000 VA).
  • Up to 4 RFDW-100 detectors can be connected to one RFSTI-111B device.
  • Range up to 160 m (in open space), if the signal is insufficient between the controller and unit, use the signal repeater RFRP-20N or protocol component RFIO2 that supports this feature.
  • Communication frequency with protocol RFIO2.
  • The BOX design lets you mount it right in an installation box, a ceiling, or a controlled appliance cover.
  • External sensor TC (-20 to +80 °C) or TZ (-40 to +125 °C) for lengths of 3 m, 6 m, 12 m.


  • Supply voltage (frequency): AC 230 V (50/60 Hz)
  • Design: BOX
  • Dimensions: 49 x 49 x 21 mm
  • Protocol: RFIO2


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