The cooling controller ST603 with a 3-digit LED display and 6 keys is intended for general operation in refrigerating plants. The unit is supplied with 230V AC and has three analogue inputs for PTC Sensors, four relay exits with high switching performance and a ST-Bus interface. The controller is installed in a solid plastic housing. The general functions which can be freely parameterised open the way for a broad application area. 900340.012
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