Data Sheet for Product

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Siemens Electrothermal actuators STA..3.., STP..3.. CE1N4884en
Smart Infrastructure 2020-04-16
Technical data
STA73.. / STA73../00
STA73HD
STP73.. / STP73../00
STA23.., STA23../00
STA23HD
STP23.., STP23../00
STA63..
STP63..
Power supply Operating voltage
Frequency
AC/DC 24 V ± 20 %
1)
50 / 60 Hz
AC 230 V ± 15 %
50 / 60 Hz
AC 24 V ± 20 %
50 / 60 Hz
Power consumption at 50 Hz
Operation
At power-up
2.5 W
6 VA
2.5 W
58 VA
2.5 W
6 VA
Switch-on current (transient) 250 mA 250 mA 250 mA
Primary fuse External
Signal input Positioning signal 2-position, PDM/TPI
2)
DC 0…10 V
3)
2-position
DC 0…10 V
(Power consumption 0.06 mA)
Parallel operation
of multiple actuators
For PDM/TPI
2)
ST..3PR/00
May be limited by the controller's output power
Operating data Positioning time at 20 °C, 50 Hz 270 s 210 s 270 s
6)
Positioning force 100 N, STA..HD 90 N
Nominal stroke Max. 4.5 mm 4.5 mm (adjustable 3 mm
4)
)
Permissible temperature of
medium in the connected valve
1…110 °C
Actuator stem for
"de-energized actuator“
STA.. extended
STP.. retracted
Radiator valves (e.g. VD..)
See "Equipment combinations" on page 6.Small valves (V..P47..)
Zone valves (V..I46..)
Maintenance No maintenance required
Electrical
connection
Cable length See page 3, "Type summary“ or page 4,
"Connecting cables“ and page 5, "Adapter“
2 m
Cross section
5)
Strands 2 x 0.5 mm
2
Strands 2 x 0,75 mm
2
Strands 3 x 0.5 mm
2
Mounting Attached to the valve Bayonet-nut/-ring M30 x 1.5; – see also under adapters
Mounting position Any, 360°
Colors Cover White, RAL 9016; STA..B/00 black, RAL 9005
Lower part STA.. light gray, RAL 7035, STP.. Traffic gray, RAL 7042
STA..B/00 black, RAL 9005
Connecting cables See "Connecting cables“ on page 4 and page 5, "Adapter“
Norms and
directives for
actuators and
connecting cables
Electromagnetic compatibility
(Application)
For residential, commercial and industrial environments
Product standard EN60730-x and EN60335-x
EU Conformity (CE)
STA.. 8000072738
7)
STP..
A5W00004469
7)
Protection class as per EN 60730 Class III EN 60730 Class II EN 60730 Class III
Degree of pollution As per EN 60730 class II
Housing type IP54 as per EN 60529
Environmental compatibility The product environmental declaration CE1E4884en
7)
contains data on
environmentally compatible product design and assessments
(RoHS compliance, materials composition, packaging, environmental benefit,
disposal).
Dimensions
Weight
Dimensions See "Dimensions“ on page 17
Actuator weight
See table "Type summary" actuators with and without connecting cable on page 3.
Weight of connecting cable
ASY..
See table Accessories
page 4
-
Materials
STA.., STP..
Cover and lower part Polycarbonate
Conn. cables ASY.., ASP.. PVC
ASY..HF Halogen-free as per VDE 0207-24
1)
Permitted for safety extra-low voltage only (SELV, PELV)
2)
PDM = Pulse-duration modulation / TPI = Time Proportional Integral
It is recommended to use a variable cycle time to increase life time.
3)
STA73/00, STA73 MP/00 and STA73B/00, with connecting cable ASY6AL..
STP73/00 with connecting cable ASY6PL..
4)
Can be set using the DIP switch under the cover on the connecting cable. See Mounting instructions M4884
5)
Separate cable, see page 4
6)
Min. runtime ca. 40 s/mm in control mode (after heating-up time)
7)
The documents can be downloaded from http://siemens.com/bt/download