Description
The Siemens SSC31 Electric Valve Actuator is designed for motorized valve control in HVAC applications. It works with compatible Siemens valve bodies to regulate the flow of hot or chilled water in heating and cooling systems.
The actuator uses a three-position control signal and operates from a 230 V AC supply. Its motor moves the valve stem through a 5.5 mm stroke, providing a nominal positioning force of 300 N. The actuator can be installed on compatible Siemens two-port and three-port valves, subject to the manufacturer’s equipment-combination guidance.
Key specifications
| Specification | Details |
|---|---|
| Brand | Siemens |
| Model | SSC31 |
| Product Type | Electromotoric Valve Actuator |
| Rated Supply | 230 V AC, 50/60 Hz |
| Control Signal | Three-Position |
| Nominal Stroke | 5.5 mm |
| Nominal Positioning Force | 300 N |
| Running Time | Approximately 150 seconds for a 5.5 mm stroke at 50 Hz |
| Maximum Power Consumption | 6 VA |
| Permitted Valve-Medium Temperature | 1–110°C |
| Mounting | On Compatible Siemens Valve Bodies |
| Housing Protection | IP40 when installed in the specified upright-to-horizontal positions |
Typical applications
– HVAC heating and cooling systems
– Hot-water control circuits
– Chilled-water distribution
– Fan coil and air-handling equipment
– Two-port and three-port valve control
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