Multi-channel controllers 900219.055

Technical data

  • Housing dimension ST503 wall mounted housing
  • Power supply 230V AC
  • Switching inputs none
  • Number of outputs 2
  • Sensor type Multi resistance
  • ST-Bus available No
  • Software 25

Product description

Its simple handling and robust structure prepare the two-channel temperature controller with 4-digit LED display, 6 keys and two relays for various employment. Channel selection and setpoint default are directly accessible with respectively assigned keys. A selective activation of the channels is possible with the standby key. The freely programmable general functions qualify the ST503 for a broad application area.

Wiring diagram

Dimensional drawing

Data sheet             Installation instructions

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