Controllers for cooling applications 900219.038

Technical data

  • Housing dimension ST502 Front: 87x66mm
  • Power supply 230V AC
  • Switching inputs 1
  • Number of outputs 4
  • Sensor type Multi resistance
  • ST-Bus available No
  • Software 12

Product description

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

Wiring diagram

Dimensional drawing

Data sheet             Installation instructions

Product quick search.

With Product Quick Search it takes just seconds to find your data sheet and other product information. Simply enter the individual, 9-digit part number and START SEARCH!

We are looking forward to getting in touch.

Do you have questions or would you like to meet in person? Then please contact our experienced sales team! We will be delighted to talk to you.