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Siemens STA63 Electrothermal Actuator stem retracts and the radiator valve is opened by the spring. The
position of the stem is proportional to the DC 0…10 V positioning signal. The actuator stem extends when de-energized and the radiator valve is closed. The actuator deploys to the 50% stroke position if the positioning signal is lost when applying operating voltage.DC 0…10 V actuators support various operation modes, see also under DIPSwitch settings.
Features of Siemens STA63 Electrothermal Actuator :
- Connecting cable up to 15 m, halogen-free up to 10 m
- Connecting cable with LED operation indicator
- Connecting cable with DC 0…10 V module or auxiliary switch.
|Positioning Signal||DC 0…10 V|
|Positioning Time||270 s|
|Degree of Protection||IP54|
|Permissible temperature of medium in the connected valve||1 to 110 °C|
|Operating Temperature||5 to 50 °C|
|Operating Humidity||< 85 % RH|
|Operating Voltage||AC 24 V|
|Operating Voltage Frequency||AC 24 V ± 20 % 50 / 60 Hz|
|Cable Length||2 m|
|Power Consumption||2.5 W|
|Dimensions||44 X 65 X 74 mm|