User Manual

Heating, ventilation and air conditioning - room temperature control
Actuators without KNX
Electrothermal valve actuators
250
Siemens Switzerland Ltd www.siemens.com/gamma 2020
Smart Infrastructure
7
Electrothermal actuators with/ without connecting cable for radiator, small,
and zone valves
Electrothermal actuators, stem opened in a deenergized state, with or without connection cable for:
 Radiator valves VDN.., VEN.., VUN..
 MCV MiniCombiValves VPD.., VPE..
 Small valves VD1..CLC..
 Zone valves V..I46..
 Combi valves VPP46.., VPI46..
 Valves of other manufacturers
Actuators without connecting cable can be equipped with:
 Connecting cable up to 15 m, halogen-free up to 10 m
 Connecting cable with LED operation indicator
 Connecting cable with auxiliary switch or DC 0…10 V module
The given positioning time refers to the maximum stroke of 4.5 mm.
Data sheet
N4884
Stroke
4.5 mm
Degree of protection
IP54
Mounting position
Any, 360°
Power consumption
2.5 W
STA..3
Range overview STA..3
Operating
voltage
[V]
Positioning
time
[s]
Positioning
signal
Cable
length
[m]
Stock no.
Product no.
AC 230
210
2-position
1
S55174-A101
STA23
AC 24
270
DC 0…10 V
2
S55174-A104
STA63
AC 24 V
DC 24
270
2-position
PDM
1
S55174-A100
STA73
The given positioning time is related to the maximum stoke of 4.5 mm.