Controllers for cooling applications 900321.010

Technical data

  • Housing dimension ST129 DIN rail
  • Power supply 230V AC
  • Switching inputs 2
  • Number of outputs 4
  • Sensor type PTC
  • ST-Bus available Yes
  • Software 112

Wiring diagram

Dimensional drawing

Product description

he cooling controller ST129-KN1KAR.112 with two sensor inputs and five keys is used for the thermostatic temperature control of refrigerating plants. It is supplied with 230V AC and has four exit relays. The functions of the outputs and special keys can be freely selected, thus various applications with only one controller are possible. The controller, for example, can operate with two coolers if the evaporator sensor is parametered as sensor for a second refrigerating chamber.
Networking of the controller takes place via the ST-Bus interface.

Data sheet             Installation instructions

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