For radiator valves, small valves, zone and combi valves PICV
- ST..121.., STA126.., ST..162..: Operating voltage AC/DC 24 V
- ST..161..: Operating voltage AC 24 V
- ST..321.. ST..326..: Operating voltage AC 230 V
- Positioning force 125 N, 6.5 mm (ST..65..)
- Positioning force 100 N, 4 mm (ST..40..)
- Connection cables 1m, 2 m, 5 m, 10 m / halogen free: 1 m, 5 m, 10 m
- Direct assembly for valve threaded connection M30×1.5 mm
- IP54 housing protective class
- Visible position indicator 360°
- Thermal expansion element
- First open function for low force valve mounting for NC actuators
- Robust construction, quiet operation, no maintenance required
- Degree of pollution 2
- ST..121.., ST..161.., ST..162.., AC/DC 24 V protection class III, overvoltage category I (1500 V)
- ST..321.., ST..326.. AC 230 V, protection class II, overvoltage category II (2500 V)
