The Siemens SAX61.03 is an electromotoric actuator designed for use with Siemens 2-port and 3-port valves in HVAC systems. It provides modulating control with positioning signals ranging from DC 0…10 V, DC 4…20 mA, or 0…1000 Ω. The actuator has a nominal force of 800 N and a 20 mm stroke, making it ideal for precise control in heating and ventilation applications. The SAX61.03 features position feedback, forced control, and Modbus RTU communication for seamless integration into building automation systems. It is compatible with a range of Siemens valves, offering flexibility and reliability.

Key Features:

• Operating voltage: AC 24 V / DC 24 V
• Positioning signal: DC 0…10 V, DC 4…20 mA, or 0…1000 Ω
• Nominal force: 800 N
• 20 mm stroke
• Modbus RTU communication available (SAX61../MO variant)
• Compatible with Siemens 2-port and 3-port valves

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