Controllers for cooling applications 900219.039

Technical data

  • Housing dimension ST502 Front: 87x66mm
  • Power supply 230V AC
  • Switching inputs none
  • Number of outputs 1
  • Sensor type Multi resistance
  • ST-Bus available No
  • Software 12

Product description

The micro-processed controller ST502-KX1TA.12 is used for the thermostatic temperature control of simple refrigerating plants. It is supplied with 230V AC and has an exit relays and an output for AC fan.
The relays can be used for different functions, e.g. for a compressor, a fan, a defroster, an alarm relay, etc. The resistance sensor seizes the refrigerating chamber temperature.

Wiring diagram

Dimensional drawing

Data sheet             Installation instructions

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