Title: Siemens STA73-eng.pdf
An expansion to the close - dimension is required to adapt to third-party valves that do not operate within the standard close dimension range.Close-dimension range with the different adapters:Standard bayonet-nutNo insertInsert-A (black)Higher bayonet adapter AV301  M30 x 1,5 AV302  M28 x 1,5 AV303  M30 x 1 Insert-B (black)No insertSTA..8,5 … 13,58,5 … 13,53,5 … 8,513,5 … 18,5STP..12,5 … 17,512,5 … 17,57,5 … 10,517,5 … 22,59 / 16Electrothermal actuators STA..3.., STP..3..CE1N4884en 03.05.2012Positioning times, Opening/closingWarningAccessoriesSeparate connecting cableASY23L..10 / 16Siemens Building Technologies123S Positioning signal H Stroke in % 1 Actuator ST..2.. (AC 230 V) 2 Actuator ST..7.. (AC 24 V) 3 Warm start – Values at 25° C (ambient temperature) – The positioning time depends on the voltage and the ambient temperature