Title: Siemens STA73-eng.pdf
Operating voltage Frequency Power consumption at 50 HzSTA73.. / STA73../00 STP73.. / STP73../00 STA73HD AC/DC 24 V ± 20 % 1) 50 / 60 HzSTA23.., STA23../00 STP23.., STP23../00AC 230 V ± 15 % 50 / 60 HzSTA63.. STP63..AC 24 V ± 20 % 50 / 60 HzSignal inputOperating dataOperation At power-upSwitch-on current (transient) Primary fuse Positioning signalParallel operation of multiple actuators Positioning time at 20 °C, 50 Hz Positioning force Nominal stroke2.5 W 6 VA 250 mA2-position, PDM 2) DC 0…10 V 3) For PDM ST..3PR 270 sMin. 3 mm2.5 W 58 VA 250 mA External2.5 W 6 VA 250 mA2-positionDC 0…10 VMay be limited by the controller's output power210 s 100 N30 sUp to 4.5 mm (adjustable tomax. 3 mm4))Permissible temperature of medium in the connected valve Actuator stem for "de-energized actuator“ Radiator valves (e.g. VD..) Small valves (V..P47..) Zone valves (V..I46..) Maintenance Electrical connection Cable length1…110 °CSTA.. extended STP.. closed