The Siemens STA321.65L10 is an AC 230 V electrothermal actuator with a 125 N positioning force, designed for use with Siemens valves in HVAC systems for efficient control and hydraulic balancing.
STA321.65L10 – Thermic actuator, AC 230v, 2-position, NC, 6.5mm Stroke, 1m Cable
STA321.65L10 – Thermic actuator, AC 230v, 2-position, NC, 6.5mm Stroke, 1m Cable
The Siemens STA321.65L10 is an electrothermal actuator designed for use with Siemens radiator, small, zone, and combi valves in HVAC systems. It operates on AC 230 V and features a positioning force of 125 N with a stroke of 6.5 mm. This actuator provides 2-position control (on/off) and is ideal for automatic hydraulic balancing in heating and cooling systems. It includes a visible 360° position indicator, making it easy to monitor valve status, and offers maintenance-free operation with quiet functionality.
Key Features:
- Operating voltage: AC 230 V
- Positioning force: 125 N
- Stroke: 6.5 mm
- Direct assembly for valve threaded connections (M30 x 1.5 mm)
- Maintenance-free and quiet operation
- Compatible with Siemens valves (VDN, VEN, VVI46, VXI46, VPP46, and more)
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