Controllers for cooling applications 900234.003

Technical data

  • Housing dimension ST-BOX 300
  • Power supply 230V AC
  • Switching inputs none
  • Number of outputs 7
  • Sensor type Multi resistance
  • ST-Bus available Yes
  • Software 112

Wiring diagram

Dimensional drawing

Product description

The cooling controller ST-BOX 300 is used for thermostatic temperature regulation in refrigerating plants. The controller is supplied with 90…250V AC and has seven relay outputs. The outputs can be used for different functions, e.g. for a compressor, a defroster, lights, an alarm relay, etc. Furthermore an output for a DC fan are available.
The operation is done directly on the box or on a separate connectable display. The ST-BOX is provided with a 3-digit display, 3 control keys and 10 LEDs for status display of the relay exits. Parametrisation takes place in several operating levels with increasing security level.
The controller is networked via the ST-Bus interface

Data sheet             Installation instructions

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